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Опубліковано: 11 вересня 2023

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Статті в журналах з теми "SINGLE POLARIZATION"

1

Minning Ji, Minning Ji, Gang-Ding Peng Gang-Ding Peng, and Yanhua Luo Yanhua Luo. "Spin effect on a single-mode single-polarization optical fiber." Chinese Optics Letters 13, no. 2 (2015): 020602–20607. http://dx.doi.org/10.3788/col201513.020602.

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2

Shi, Chao-Xiang, and Rong-Qing Hui. "Polarization coupling in single-mode single-polarization optical fibers." Optics Letters 13, no. 12 (December 1, 1988): 1120. http://dx.doi.org/10.1364/ol.13.001120.

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3

Suzuki, Muneyasu, Yuuki Kitanaka, Yuji Noguchi, Jun Akedo, and Masaru Miyayama. "Ferroelectric Polarization Properties in High-Performance Bismuth Sodium Titanate Single Crystals." Key Engineering Materials 485 (July 2011): 7–10. http://dx.doi.org/10.4028/www.scientific.net/kem.485.7.

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(Bi0.5Na0.5)TiO3 (BNT) single crystals were grown by flux method at a high oxygen pressure (Po2) of 1 MPa, and their polarization properties were investigated. BNT single crystals exhibited a saturated polarization hysteresis with a remanent polarizations (Pr) of 31 μC/cm2 along [100]c, 44 μC/cm2 along [110]c and 54 μC/cm2 along [111]c. These results show that spontaneous polarization of BNT is approximately 55 mC/cm2 or larger.
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4

Shi, Chao-Xiang. "Polarization coupling power in single-mode single-polarization optical fibers." Optics Letters 14, no. 24 (December 15, 1989): 1374. http://dx.doi.org/10.1364/ol.14.001374.

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5

Luo, Weixuan, Bin Zhang, Anping Xiao, Zhiwei Duan, Qiang Ling, Yusheng Zhang, Zhangwei Yu, Zuguang Guan, and Daru Chen. "All-Solid Single-Polarization Anti-Resonant Fiber Base on Anisotropic Glass." Photonics 10, no. 4 (April 6, 2023): 412. http://dx.doi.org/10.3390/photonics10040412.

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A single-polarization solid-core anti-resonant fiber is proposed, and the influence of the fiber core material anisotropy of the solid-core anti-resonant fiber on polarization characteristics is investigated using the finite element method. Single-polarization guidance is achieved by using the anisotropy of optical fiber materials, which also ensures high birefringence. The numerical simulation results indicate that there are two single-polarization intervals (1210–1440 nm and 1490–1560 nm), with a maximum bandwidth of up to 230 nm, when the confinement loss difference between the two orthogonal polarizations exceeds two orders of magnitude. Specifically, when the work wavelength is 1550 nm, a polarization extinction ratio (PER) of 108 is obtained by optimizing the structure parameters. Additionally, the y-polarization fundamental mode (YPFM) can be well confined in the fiber center with a low confinement loss of 0.04 dB/m, while the x-polarization fundamental mode (XPFM) has a huge confinement loss larger than 4.65 dB/m due to the coupling with the tube mode. The proposed single-polarization solid-core anti-resonant fiber has a huge potential in applications such as laser systems, fiber-optic gyroscopes, and optical fiber communications.
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6

Li Shanshan, 李珊珊, 郝霞 Hao Xia, 白晋军 Bai Jinjun, and 常胜江 Chang Shengjiang. "Terahertz Single-Polarization Single-Mode Photonic Crystal Fiber with Tunable Polarization." Chinese Journal of Lasers 43, no. 9 (2016): 0901005. http://dx.doi.org/10.3788/cjl201643.0901005.

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Cancellieri, Giovanni, Paola Fantini, and Mauro Tilio. "Single-mode single-polarization fibers: effects of a residual polarization coupling." Journal of the Optical Society of America A 2, no. 11 (November 1, 1985): 1885. http://dx.doi.org/10.1364/josaa.2.001885.

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Shi, Chao-Xiang, and You-Ju Mao. "Polarization coupling in single-mode single-polarization optical fibers: Power coupling." Optics Communications 77, no. 1 (June 1990): 13–18. http://dx.doi.org/10.1016/0030-4018(90)90452-y.

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Deshpande, Avinash A. "Characteristics of Pulsar Radio Emission at Single-pulse Resolution." International Astronomical Union Colloquium 177 (2000): 149–54. http://dx.doi.org/10.1017/s0252921100059315.

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Pulsar radio emission shows remarkably rich, but complex behavior in both intensity and polarization when considered on a pulse-to-pulse basis. A large number of pulses, when averaged together, tend to approach & define stable shapes that can be considered as distinct signatures of different pulsars. Such average profiles have shapes ranging from that describable as a simple one-component profile to those suggesting as many as 9 components. The components are understood as resulting from an average of many, often narrower, intities — the subpulses —that appear within the longitude range of a given component. The pulse components are thusformedand represent statistically an intensity-weighted average pattern of the radiation received as a function of longitude. The profile mode changes recognized in many pulsars suggest that the emission profile of a given pulsar may have two quasi-stable states, with one (primary) state more probable/brighter than the other (secondary) state. There are also (often associated) polarization modes that represent polarization states that are orthogonal to each other. The complex nature of orthogonaljumpsobserved in polarization position-angle sweeps may be attributable to possible superposition of two profile/polarization modes with orthogonal polarizations.
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Lin Huang, Lin Huang, and Guobin Ren Guobin Ren. "Single polarization and poling optimized twin-hole optical fiber." Chinese Optics Letters 13, s1 (2015): S10603–310605. http://dx.doi.org/10.3788/col201513.s10603.

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Дисертації з теми "SINGLE POLARIZATION"

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Fosuhene, Samuel Kofi. "Single-end reflectometric measurements of polarization-mode dispersion in single-mode optical fibres." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/6280.

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In this thesis two novel single-end methods are applied to measure and characterize polarization mode dispersion in single mode optical fibres. Polarization mode dispersion (PMD) is an important factor negatively affecting the successful implementation of high speed long haul optical fibre networks operating at bit rates of 10Gb/s and above. PMD measurements are thus important for quality control during manufacturing and cabling processes. It is also useful for network operators planning to upgrade bitrates in existing networks to 10Gb/s and beyond. In an optical fibre link, sections with particularly high PMD may act to increase the entire PMD of the link. Identifying and replacing such sections can greatly reduce the PMD of the link. PMD measurements can be forward or single-end. In forward measurements, both ends of the fibre are used for input and detection. In single-end configuration, only one end of the fibre is used. For this reason, single-end measurements are more practical for the field where fibre ends are situated several kilometres apart. Single-end techniques can be implemented with a continuous wave for non-local PMD measurements (by Fresnel reflection). If a pulsed wave is used, local measurements can be achieved (by total power due to Rayleigh scattering). Two single-end schemes, one based on Fresnel reflection and the other due to Rayleigh scattering have been applied to measure non-local and local PMD of standard single mode optical fibres. For the non-local PMD measurements, the general interferometric technique (GINTY) was modified to operate in a round-trip configuration. In this configuration, the fibre was treated as a concatenation of two identical fibre segments. Three different sets of fibres were investigated, each set representing a particular mode coupling regime. For polarization maintaining fibres, (PMFs), with no mode coupling, a factor of two was found between forward and single-end measurements. For long single mode fibres in the long length regime, the factor was 1.4. For a combination of PMF and single mode fibres, a factor of 1.6 was obtained. The method which is accurate, repeatable, low cost and robust is very suitable for field applications. The second method is the polarization optical time domain reflectometric (P-OTDR) technique. This technique performs local birefringence measurements by measuring the evolution of the states of polarization (SOP). The birefringence information from such measurements was extracted and analysed to characterise four different fibres. Beat lengths and correlation lengths extracted from the P-OTDR were used to calculate the differential group delay (DGD) of the fibres. Next an expression for the root-mean-square differential group delay was derived and applied to the birefringence measurements to calculate the DGDs at a single wavelength. This method which operates at a single wavelength has a huge advantage. Firstly it is able to measure completely all the fibre characteristic parameters. Secondly it can measure mean DGD, root mean square DGD and instantaneous DGD. A plot of instantaneous DGD vs. length enables one to identify and eliminate sections with particularly high DGD. Finally since the P-OTDR system operates with a single wavelength, real time monitoring of PMD is possible via multiplexing. The results obtained are repeatable, accurate and are in good agreement with the standard Jones Matrix Eigenanalysis (JME) technique.
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Cottle, Paul Wesley. "Aerosol type analysis with single wavelength, dual polarization elastic LIDAR." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/57069.

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Aerosols play an important role in many atmospheric processes but their highly heterogeneous nature makes them difficult to study. Thus, new advancements in the field frequently focus on finding ways to more accurately determine more information about aerosols as they occur. LIght Detection And Ranging (LIDAR) systems have become an important tool in the study of aerosols because they can provide high resolution vertical profiles of quantities of interest (including aerosol concentrations, temperature, and wind speed, among others) over several kilometres of altitude. But on the other hand, the data can be ambiguous or difficult to correctly interpret and LIDAR systems can be costly and usually require a great deal of technical expertise to maintain and operate. In recent years, technological developments in lasers and detectors have led to the development of relatively inexpensive LIDAR systems that are robust and simple to operate, but to date these single-wavelength elastic LIDARs have provided only basic analysis products, such as determining the heights of clouds or qualitative monitoring of aerosol layers. There is a need for more extensive analyses using these simpler LIDARs. To this end, an algorithm has been developed that employs ground-based, single-wavelength elastic LIDAR to create high resolution maps of aerosol and cloud types as well as backscatter and extinction coefficients. Applications for maps such as these include studies of long-range transport of aerosols, air quality within the planetary boundary layer, cloud-aerosol interactions, and visibility. Algorithms similar to this have been developed in the past, but they have required either multi-wavelength LIDAR systems or have stopped short of differentiating between aerosol and cloud types. This algorithm also includes a novel utilization of depolarization ratio profiles for sub-layer discrimination. Thus far, the algorithm has been applied to limited number of cases, resulting in a high degree of uncertainty compared to some more complex systems. The algorithm is thus merely a first step, and further refinements are suggested as a way to continue to improve its performance.
Science, Faculty of
Earth, Ocean and Atmospheric Sciences, Department of
Graduate
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3

Damato, Ralph. "Polarization control of plasmonic modes in single nanoparticles and nanostructures." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1527542.

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This thesis investigates the fundamental nanoscale near-field light matter interaction between a probe tip and plasmonic antenna nanostructures. The thesis is focused on polarization control of metallic plasmon modes using scattering-type scanning near-field optical microscopy (s-SNOM). Part of the thesis is dedicated to spectroscopic near-field comparison of coated and bare single plasmonic particles in the infrared wavelength range (λ= 9–11 µm) using s-SNOM. By tuning the wavelength of the incident light, we have acquired information on the spectral polarization dependence plasmon modes and plasmon/phonon–polariton resonant near-field interactions. The enhanced near-field coupling between the probe tip and high index Au nanostructures and Au-core thin silica coating (thickness ≈10 nm) is described and quantified.

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4

Suarez, Yana Elmer Eduardo. "Topological phases generated with single photons entangled in polarization and momentum." Master's thesis, Pontificia Universidad Católica del Perú, 2016. http://tesis.pucp.edu.pe/repositorio/handle/123456789/7437.

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El entrelazamiento puede abordarse desde dos perspectivas diferentes: como un recurso esencial para las tecnologías cuánticas y como un fenómeno fundamental que está íntimamente relacionado con nuestra comprensión de la naturaleza misma. Por otro lado, la teoría cuántica se formula en el marco teórico de los espacios de Hilbert, para los que el entrelazamiento juega un papel importante en la determinación de su geometría y topología. Las características topológicas que puedan exhibirse al utilizar estados entrelazados son largamente independientes de la realización física particular del entrelazamiento: puede afectar a un solo grado de libertad poseído por dos partículas diferentes, o bien puede implicar dos grados diferentes de libertad que se cohesionan a una misma partícula o entidad física, por ejemplo, un campo electromagnético. Resulta que la manipulación de los grados de libertad de polarización y momentum (camino) ya sea de forma independiente el uno del otro o mediante la aplicación de evoluciones unitarias no separables es muy versátil. Con esto en mente, la presente tesis apunta hacia el diseño e implementación de arreglos experimentales que se pueden utilizar para estudiar fases geométricas y topológicas en sistemas de dos qubits mediante el uso de los grados de libertad de momentum (camino) y polarización de un solo fotón. Finalmente mostramos el diseño de un experimento, apuntado a exhibir la fase topológica, y los resultados obtenidos.
Tesis
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5

Robinson, Risa J. "Polarization modulation and splicing techniques for stressed birefringent fiber /." Online version of thesis, 1995. http://hdl.handle.net/1850/12228.

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Sun, Xiaohu. "Top polarization measurement in single top quark production with the ATLAS detector." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENY081/document.

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La polarisation du quark top produit par interaction électrofaible (single-top) en voie-t permet de tester la structure du vertex Wtb: le couplage vecteur gauche prévu dans le cadre du Modèle Standard (MS), ainsi que les couplages anormaux vecteur ou tenseur introduits par plusieurs théories au-delà du Modèle Standard. Le lot de données correspondant à une luminosité integrée de 4,7 fb-1 recolté dans les collisions proton-proton à une énergie de 7 TeV dans le centre de masse offre une chance de mesurer la polarisation du quark top. Cette thèse traite de la mesure de la polarisation du quark top grâce à l'étude des distributions angulaires polarisées dans des bases spécifiques avec les événements single-top produits en voie-t. Au début du document, le contexte théorique de production du quark top par interaction forte et électrofaible au LHC est introduit. Ensuite, le détecteur, les performances de reconstruction ainsi que la sélection d'événements avec une signature single-top en voie-t, sont décrits. Les méthodes d' "unfolding" et de "folding" sont présentées et testées avec différentes configurations afin de mesurer la polarisation du quark top. Les résultats obtenus, ainsi que les incertitudes théorique, expérimentales et statistiques, sont examinées. Il s'agit de la première mesure de polarisation du quark top avec le détecteur ATLAS. Les résultats sont compatibles avec les prédictions MS, et contribuent donc à contraindre de maniére significative les couplages anormaux sur le vertex Wtb
The top quark polarization in electroweak production for single top t-channel allows to test the structure of the Wtb vertex: the left-handed vector coupling of the Standard Model (SM) as well as the anomalous couplings including the right-handed vector, the left-handed tensor and the right-handed tensor couplings. The 4.7 fb-1 data recorded by the ATLAS detector at the LHC with the center of mass energy at 7 TeV in 2011 provides a chance to measure the top polarization. This thesis discusses the measurement of the top polarization by studying the polarized angular distributions in specific bases with t-channel single top events. In the beginning of the thesis, a theoretical context of the top quark production via the strong interaction and the electroweak interaction at the LHC is introduced. Then the detector, the reconstruction performances as well as the event selections with a single top t-channel event signature are described. To measure the top polarization, the unfolding and folding methods are constructed and tested with different configurations. In the end, the measured results are examined with the estimated uncertainties from the theory, the detector response and modeling as well as the statistics. This is the first measurement of the top polarization with the ATLAS detector. The results are compatible with the SM predictions and contribute signicantly to constrain the anomalous couplings in the Wtb vertex
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Li, Tiesheng. "Optical properties of CdTe/Cd1-xZnxTe strained-layer single quantum wells." Ohio : Ohio University, 1993. http://www.ohiolink.edu/etd/view.cgi?ohiou1173760803.

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8

DeGrush, Adam (Adam Jon). "Single and double polarization observables in the electrodisintegration of the deuteron from BLAST." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62644.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 217-221).
Understanding the underlying mechanisms involved in the interactions between nucleons is one of the fundamental problems in nuclear physics. Over roughly the last 70 years, this question has been approached on many different fronts. We believe that the theory underlying the interaction between nucleons is that between quarks and gluons described by Quantum Chromodynamics; however, a complete solution to the nucleon-nucleon interaction within this framework has yet to emerge. In parallel, the advent of polarization experiments involving both polarized beams and targets has provided new experimental avenues to test our understanding the reaction mechanisms involved in the nucleon-nucleon interaction. One important example is the electrodisintegration of the deuteron, ... (e[over-arrow], e'p)n, in particular the measurement of the beam-vector asymmetry, AV, and the tensor asymmetry, AT. Both of these asymmetries are sensitive to the d-wave components of the deuteron and are thus measurements of the effects of the tensor force in the nucleon-nucleon interaction. This work reports on measurements of AV and A T in the electrodisintegration of the deuteron that were performed by the BLAST collaboration at the Bates Linear Accelerator Center involving two data runs during 2004 and 2005. The measurements consisted of cross sections and asymmetries vs. missing momentum for a Q2 range of 0.1(GeV/c) 2 < Q2 < 0.5(GeV/c) 2 . Comparisons between Monte Carlo simulations based on a particular theoretical framework are made, and conclusions are drawn.
by Adam DeGrush.
Ph.D.
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9

Sala, Vera Giulia. "Coherence, dynamics and polarization properties of polariton condensates in single and coupled micropillars." Paris 6, 2013. http://www.theses.fr/2013PA066712.

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Microcavity polaritons are mixed light-matter quasiparticles arising from the strong coupling between quantum well excitons and photons confined in a Fabry-Perot microcavity. Their bosonic nature along with the strong interparticle interactions makes polaritons an excellent solid-state platform to study the nonlinear properties of bosonic condensates, with the advantage of being addressable using standard optical techniques. An important degree of freedom in the study of polaritons is the possibility to introduce a lateral confining potential. The growth and etching techniques developed at LPN allow obtaining low dimensional structures of different geometries, preserving high optical properties, opening the way to the study of polariton nonlinearities in at-will potential landscapes. During my PhD, my research has focused mostly on the experimental study of 0D structures, consisting of single micropillars and polaritonic molecules made of coupled micropillars. I studied the coherence properties of polariton condensates in single micropillars, by measuring the g2 function of the emission with a streak camera technique providing a time resolution of ~ 4 ps. I studied the Josephson physics in diatomic molecules made of two coupled micropillars, with particular attention to the nonlinear regimes. In particular the macroscopic self-trapping regime has been observed. Finally I studied a more complex molecule made of six coupled micropillars in a hexagonal shape, where an effective spin-orbit coupling for polaritons has been realized. These results highlight microcavity polaritons in micropillars as a platform where nonlinear effects can be studied, in combination with nontrivial topologies
Les polaritons de microcavité sont des particules mixtes lumière-matière issues du couplage fort entre les excitons dans un puits quantique et les photons confinés dans une microcavité Fabry-Pérot. Leur nature bosonique et les fortes nonlinéarités font des polaritons une excellente plateforme où l’on peut étudier les propriétés nonlinéaires des condensats des bosons, avec l’avantage de pouvoir les manipuler avec des techniques optiques. Un degré de liberté important est la possibilité d’introduire un potentiel latéral de confinement. Les techniques de croissance et de gravure développées au LPN permettent d’obtenir des géométries différentes qui préservent de hautes propriétés optiques. Cela ouvre la voie à l’étude des nonlinéarités dans les polaritons dans des potentiels sur mesure. Pendant mon doctorat, ma recherche a été focalisée sur l’étude expérimentale des structures 0D, en particulier des micropiliers simples et des molécules formées de piliers couplés. J’ai étudié les propriétés de cohérence des condensats de polaritons dans des piliers simples, en mesurant la fonction g2 de l’émission avec une streak camera possedant un temps de résolution de 4 ps. J’ai étudié la physique de Josephson dans des molécules polaritoniques faites de deux piliers couplés, avec une attention particulière au régime nonlinéaire. En particulier le régime de self-trapping a été observé. J’ai étudié une molécule plus complexe composée de six piliers couplés dans une structure hexagonale, où un couplage spin-orbite effectif a été réalisé. Ces résultats etablissent les polaritons de microcavité comme une plateforme où les effets nonlinéaires peuvent être étudiés en combinaison avec des topologies non triviales
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Kolano, Michael [Verfasser]. "Design and characterization of a single-laser polarization-controlled optical sampling system / Michael Kolano." München : Verlag Dr. Hut, 2019. http://d-nb.info/1198542748/34.

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Книги з теми "SINGLE POLARIZATION"

1

W, Hunter William, and United States. National Aeronautics and Space Administration., eds. Optical transmission through a polarization preserving single mode optical fiber at two Ar⁺ laser wavelengths. [Washington, D.C.?: National Aeronautics and Space Administration, 1990.

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2

Craig, Rex M. Measurement assurance program for wavelength dependence of polarization dependent loss of fiber optic devices in the 1535 nm to 1560 nm wavelength range. Boulder, Colo.]: U.S. Dept. of Commerce, National Institute of Standards and Technology, 2003.

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3

Peter Singer and Christian ethics: Beyond polarization. Cambridge: Cambridge University Press, 2012.

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4

Grimm, Jannis Julien. Contested Legitimacies. Nieuwe Prinsengracht 89 1018 VR Amsterdam Nederland: Amsterdam University Press, 2022. http://dx.doi.org/10.5117/9789463722650.

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Since the overthrow of President Mursi in mid-2013, Egypt has witnessed an authoritarian rollback and shrinking spaces for civil society. Nationalist discourses have villified popular protest and channelled pressure for reform into a state-centric model of governance. Despite this hostile environment for social mobilization, protest has persisted. Contested Legitimacies explores this resilience of contentious politics through a multimethod approach that is attuned to the physical and discursive interactions among key players in Egypt’s protest arena. Drawing from a unique archive of sources, it investigates the rise and fall of different coalitions of contenders, from the Tamarod uprising against Mursi, to the Anti-Coup resistance against the military coup, to the challenges posed by the Tiran and Sanafir island campaign to Al-Sisi's regime. It highlights the decisive impact of battles fought in a discursive arena on the conditions of possibility for street politics: In postrevolutionary Egypt, a contest over the meaning of political legitimacy cemented political polarization, limited social movements’ coalition choices, and ultimately paved the way for a restoration of autocracy.
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5

Anders, Juergen. Evolution of polarization along a single mode fiber. 1988.

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6

McCarty, Nolan. Polarization. Oxford University Press, 2019. http://dx.doi.org/10.1093/wentk/9780190867782.001.0001.

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The 2016 election of Donald J. Trump invoked a time for reflection about the state of American politics and its deep ideological, cultural, racial, regional, and economic divisions. But one aspect that the contemporary discussions often miss is that these fissures have been opening over several decades and are deeply rooted in the structure of American politics and society. Nolan McCarty's Polarization: What Everyone Needs to Know® is an accessible introduction to polarization in America. McCarty takes readers through what scholars know and don't know about the origins, development, and implications of our rising political conflicts, delving into social, economic, and geographic determinants of polarization in the United States. While the current political climate makes it clear that extreme views are becoming more popular, McCarty also argues that, contrary to popular belief, the 2016 election was a natural outgrowth of 40 years of polarized politics, instead of a significant break with the past. He explains the factors that have created this state of affairs, including gerrymandered legislative districts, partisan primary nomination systems, and our private campaign finance system. He also considers the potential of major reforms such as instating proportional representation or single-transferable voting to remedy extreme polarization. A concise overview of a complex and crucial topic in US politics, this book is for anyone wanting to understand how to repair the cracks in our system.
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7

Resolving the biophysics of axon transmembrane polarization in a single closed-form description. Melville, NY, USA: Journal of Applied Physics (published by the American Institute of Physics), 2015.

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8

Resolving the biophysics of axon transmembrane polarization in a single closed-form description. Journal of Applied Physics, 2015.

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9

Resolving the biophysics of axon transmembrane polarization in a single closed-form description. New York: Journal of Applied Physics, 2015.

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10

Sonawala, Paula. Rotation of polarization in single mode optical fibers and its relation to Berry's Phase. 1988.

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Частини книг з теми "SINGLE POLARIZATION"

1

Maletinsky, Patrick, and Atac Imamoglu. "Quantum Dot Nuclear Spin Polarization." In Single Semiconductor Quantum Dots, 145–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-87446-1_5.

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2

Kimmich, Rainer. "Single-Transition Operator Theory of Cross-Polarization." In NMR, 367–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60582-6_39.

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3

Croci, M., H. J. Müschenborn, and U. P. Wild. "Polarization and Lifetime Measurements, External Perturbations and Microscopy." In Single-Molecule Optical Detection, Imaging and Spectroscopy, 69–107. Weinheim, Germany: VCH Verlagsgesellschaft mbH, 2007. http://dx.doi.org/10.1002/9783527614714.ch3.

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4

Hu, X., J. Guo, and D. Y. Tang. "Vector Solitons Formed in Linearly Birefringent Single Mode Fibers." In Polarization Dynamics of Mode-Locked Fiber Lasers, 143–67. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003206767-5.

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5

Benoit, Matthieu P. M. H., and Hernando Sosa. "Use of Single Molecule Fluorescence Polarization Microscopy to Study Protein Conformation and Dynamics of Kinesin–Microtubule Complexes." In Single Molecule Analysis, 199–216. New York, NY: Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-7271-5_11.

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6

Crosignani, B., and B. Daino. "Polarization and Nonlinear Propagation in Single-Mode Fibres." In Laser Science and Technology, 83–93. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4757-0378-8_6.

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7

Wetzel, David L., and Liling Cho. "Single Fiber Characterization by Polarization FT-IR Microspectroscopy." In Progress in Fourier Transform Spectroscopy, 349–51. Vienna: Springer Vienna, 1997. http://dx.doi.org/10.1007/978-3-7091-6840-0_79.

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8

McTague, John J. "Political Polarization and Electoral Change in Israel." In Comparative Democratization and Peaceful Change in Single-Party-Dominant Countries, 157–74. New York: Palgrave Macmillan US, 1999. http://dx.doi.org/10.1007/978-1-349-38515-7_6.

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9

McTague, John J. "Political Polarization and Electoral Change in Israel." In Comparative Democratization and Peaceful Change in Single-Party-Dominant Countries, 157–74. New York: Palgrave Macmillan US, 1999. http://dx.doi.org/10.1057/9780312292676_6.

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10

Chakrabarti, Kisalaya, and Kushal Roy. "Review of Single-Mode Fiber-Based Polarization-Sensitive OCT." In Lecture Notes in Electrical Engineering, 213–22. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0829-5_21.

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Тези доповідей конференцій з теми "SINGLE POLARIZATION"

1

Sahu, J. K., C. C. Renaud, J. Nilsson, W. A. Clarkson, S. A. Alam, and A. B. Grudinin. "Single-polarization laser operation in polarization-maintaining single-polarization pumped erbium-doped fiber." In CLEO 2001. Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical Digest. IEEE, 2001. http://dx.doi.org/10.1109/cleo.2001.947863.

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2

Negrete-Gonzalez, G., H. L. Offerhaus, and J. A. Alvarez-Chavez. "Single polarization Yb." In 22nd Congress of the International Commission for Optics: Light for the Development of the World. SPIE, 2011. http://dx.doi.org/10.1117/12.903188.

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3

Lichtman, E., A. A. Friesem, and R. G. Waarts. "Nonlinearly induced polarization changes in single-mode fibers." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.wn3.

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We studied both theoretically and experimentally the Kerr-induced polarization changes of a cw wave that propagates through a single-mode bire-fringent fiber together with an amplitude modulated wave. The polarization changes were determined as a function of the angle ϕ between the polarizations of the two input waves and their frequency separation Δf. For example, for a fiber of 300-m length, λ = 514 nm, an input power of the 5-mW modulated wave and Δf = 80 MHz, we found strong polarization fluctuations that are maximum at ϕ = π/4 rad and minimum at ϕ = 0 or π rad. Additional results and their implications concerning coherent communication with frequency division multiplexing are presented.
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4

Rouzbahani, Yashar, Rohan Chippalkatti, Daniel Abankwa, Anindita Dasgupta, Pablo Carravilla, and Christian Eggeling. "Adaptation of microscopy for studying cell polarization." In Single Molecule Spectroscopy and Superresolution Imaging XVI, edited by Ingo Gregor, Rainer Erdmann, and Felix Koberling. SPIE, 2023. http://dx.doi.org/10.1117/12.2666385.

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5

TAJIMA, KATSUSUKE, MASAHARU OHASHI, and YUTAKA SASAKI. "New single-polarization fiber." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 1989. http://dx.doi.org/10.1364/ofc.1989.wi4.

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6

Gut, Kazimierz, W. Wojcik, Pawel Karasinski, and Aleksander Opilski. "Single-polarization difference interferometer." In Optical Fibers and Their Applications VI, edited by Jan Dorosz and Ryszard S. Romaniuk. SPIE, 1999. http://dx.doi.org/10.1117/12.348707.

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7

Chin, Catherine, Rasmus Dybbro Engelsholm, Peter M. Moselund, Thomas Feuchter, Lasse Leick, Adrian Podoleanu, and Ole Bang. "Polarization extinction ratio and polarization dependent intensity noise in long-pulse supercontinuum generation (Conference Presentation)." In Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II, edited by Bahram Jalali, Günter Steinmeyer, Neil G. R. Broderick, Sergei K. Turitsyn, and Daniel R. Solli. SPIE, 2017. http://dx.doi.org/10.1117/12.2253478.

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8

Chen, Xin, Ming-Jun Li, Joohyun Koh, and Daniel A. Nolan. "Wide Band Single Polarization and Polarization Maintaining Fibers." In 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers. IEEE, 2008. http://dx.doi.org/10.1109/ofc.2008.4528696.

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9

Suchoski, Paul G., and Talal K. Findakly. "Single Polarization Components and Applications." In Integrated and Guided Wave Optics. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/igwo.1989.wcc1.

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Single-polarization fiber optic and integrated optic devices are required for phase-sensitive optical systems such as fiber optic gyroscopes and coherent communications. Recently, there has been significant improvement in the performance of polarization-maintaining fiber [1], polarizing fiber [2], and polarization-preserving fiber components including polarizers [3] and couplers [4]. These components are becoming commercially available. Development of single-polarization integrated optic devices and circuits has progressed much more slowly and only recently have high-quality proton-exchanged LiNbO3 and LiTaO3 integrated optic devices been reported [5-10].
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10

Eshaghi, Mahdi, and Aristide Dogariu. "Single-shot omnidirectional Stokes polarimetry using radially polarized light." In Polarization Science and Remote Sensing X, edited by Frans Snik, Meredith K. Kupinski, and Joseph A. Shaw. SPIE, 2021. http://dx.doi.org/10.1117/12.2596260.

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Звіти організацій з теми "SINGLE POLARIZATION"

1

Brodsky, S. Single-Spin Polarization Effects and the Determination of Timelike Proton Form Factors. Office of Scientific and Technical Information (OSTI), October 2003. http://dx.doi.org/10.2172/826470.

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2

Peng, Peng. Polarization observables for single and double charged pion photo-production with polarized HD target. Office of Scientific and Technical Information (OSTI), December 2015. http://dx.doi.org/10.2172/1430056.

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3

Rossi, Ruggero, David Jones, Jaewook Myung, Emily Zikmund, Wulin Yang, Yolanda Alvarez Gallego, Deepak Pant, et al. Evaluating a multi-panel air cathode through electrochemical and biotic tests. Engineer Research and Development Center (U.S.), December 2022. http://dx.doi.org/10.21079/11681/46320.

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To scale up microbial fuel cells (MFCs), larger cathodes need to be developed that can use air directly, rather than dissolved oxygen, and have good electrochemical performance. A new type of cathode design was examined here that uses a “window-pane” approach with fifteen smaller cathodes welded to a single conductive metal sheet to maintain good electrical conductivity across the cathode with an increase in total area. Abiotic electrochemical tests were conducted to evaluate the impact of the cathode size (exposed areas of 7 cm², 33 cm², and 6200 cm²) on performance for all cathodes having the same active catalyst material. Increasing the size of the exposed area of the electrodes to the electrolyte from 7 cm² to 33 cm² (a single cathode panel) decreased the cathode potential by 5%, and a further increase in size to 6200 cm² using the multi-panel cathode reduced the electrode potential by 55% (at 0.6 A m⁻²), in a 50 mM phosphate buffer solution (PBS). In 85 L MFC tests with the largest cathode using wastewater as a fuel, the maximum power density based on polarization data was 0.083 ± 0.006Wm⁻² using 22 brush anodes to fully cover the cathode, and 0.061 ± 0.003Wm⁻² with 8 brush anodes (40% of cathode projected area) compared to 0.304 ± 0.009Wm⁻² obtained in the 28 mL MFC. Recovering power from large MFCs will therefore be challenging, but several approaches identified in this study can be pursued to maintain performance when increasing the size of the electrodes.
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4

Choe, B.-H., A. Blais-Stevens, S. Samsonov, and J. Dudley. RADARSAT Constellation Mission (RCM) InSAR preliminary observations of slope movements in British Columbia, Alberta, and Nunavut. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331099.

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The Geological Survey of Canada (GSC)mp;gt;'s Public Safety Geoscience Program (PSGP) has collaborated with the Canada Centre for Remote Sensing (CCRS) to assess the performance of new RCM data for monitoring slope movements. The PSGP has the mandate to study natural hazards and provide baseline geoscience information to help stakeholders and decision-makers mitigate against potential risk. This report provides preliminary results observed from new RCM InSAR data acquired over 21 sites in British Columbia (BC), Alberta (AB), and Nunavut (NU) from April 2020 to September 2021. , In some cases, comparisons with RCM imagery were made with RADARSAT-2 and Sentinel-1 observations. A total of 13 sites in BC, two sites in AB, and six sites in NU that are located close to communities and/or infrastructure were investigated. From these, we acquired a total of 1235 RCM single look complex (SLC) images of HH polarization (ascending: 514, descending: 721) from April 2020 to September 2021. Most were acquired with 3 m very-high-resolution and/or 5 m high-resolution modes. Based on the preliminary observations, the advantages and limitations of RCM InSAR for landslide monitoring are highlighted.
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5

Donnelly, Phoebe, and Boglarka Bozsogi. Agitators and Pacifiers: Women in Community-based Armed Groups in Kenya. RESOLVE Network, November 2022. http://dx.doi.org/10.37805/cbags2022.4.

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This research report is a case study of women’s participation in community-based armed groups (CBAGs) in Kenya. It examines: the diversity of women’s motivations to participate in community-based armed groups in Kenya; women’s roles and agency within community-based armed groups, communal conflicts, as well as community security and peacebuilding structures; and gender dynamics in conflict ecosystems, including social perceptions about women’s engagement in conflict. This case study contributes to the literature on women and CBAGs by examining the variations in their engagement across a single country, based on diverse local contexts. Data collection sites for the study included 1) the capital city, Nairobi; 2) Isiolo County; 3) Marsabit County; 4) Mombasa County; and 5) Bungoma County. Together, these sites provide insight into local conflict dynamics in rural and urban areas; on country borders and on the coast; and in communities with ethnic polarization, land conflicts, criminal gangs, and histories of violent extremism and secessionist movements. The Kenyan research team employed a qualitative approach to data collection through key informant interviews (KIIs), focus group discussions (FGDs), and the use of secondary source data. The findings show that there is no single template for understanding women’s engagement with CBAGs; instead, women’s motivations and roles within these groups are varied and highly contextual, just as with the motivations and roles of men. This study demonstrates the utility of context-specific analyses at the sub-national level to capture the range of women’s participation in and engagement with CBAGs and their greater contributions to the local security landscape.
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6

Chawla, Sandeep, John Beavers, and Narasi Sridhar. PR-186-163603-R01 Polarization Criteria for Mitigating Corrosion on High-pH SCC Susceptible Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2018. http://dx.doi.org/10.55274/r0011539.

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For pipelines that are potentially conducive to high-pH stress corrosion cracking (SCC), the cathodic protection (CP) criterion most typically used is based on a polarized potential of -850 mV versus the Saturated Cu/CuSO4 electrode (CSE). Since this criterion is difficult to meet on pipelines that have deteriorated coatings, alternate CP criteria need to be established. This research was directed at assessing the feasibility of a polarization-shift based CP criterion for mitigating corrosion on high-pH SCC in pipelines, and providing a technical basis for its further evaluation and adoption in the field. The 100-millivolt (mV) polarization (or polarization shift) criterion is most commonly used on poorly coated or bare structures where it is difficult or costly to achieve either of the -850-mV criterion. In many cases, 100 mV of polarization can be achieved where the off potential is less negative than -850 mV (CSE). The polarization shift criterion has several advantages including lowering the cost of protecting pipelines with deteriorated coatings, minimizing coating degradation, and minimizing hydrogen embrittlement.
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