Добірка наукової літератури з теми "Quasi monochromatic"

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Статті в журналах з теми "Quasi monochromatic"

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Mokhun, I., Yu Galushko, Ye Kharitonova, and Ju Viktorovskaya. "Energy currents for quasi-monochromatic fields." Ukrainian Journal of Physical Optics 13, no. 3 (2012): 151. http://dx.doi.org/10.3116/16091833/13/3/151/2012.

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Brucoli, Giovanni, Patrick Bouchon, Riad Haïdar, Mondher Besbes, Henri Benisty, and Jean-Jacques Greffet. "High efficiency quasi-monochromatic infrared emitter." Applied Physics Letters 104, no. 8 (February 24, 2014): 081101. http://dx.doi.org/10.1063/1.4866342.

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Galeana-Sánchez, Hortensia, and Rocío Rojas-Monroy. "Monochromatic paths and quasi-monochromatic cycles in edge-coloured bipartite tournaments." Discussiones Mathematicae Graph Theory 28, no. 2 (2008): 285. http://dx.doi.org/10.7151/dmgt.1406.

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Galeana-Sánchez, Hortensia, Rocío Rojas-Monroy, and B. Zavala. "Monochromatic paths and monochromatic sets of arcs in quasi-transitive digraphs." Discussiones Mathematicae Graph Theory 30, no. 4 (2010): 545. http://dx.doi.org/10.7151/dmgt.1512.

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Ahad, Lutful, Ismo Vartiainen, Tero Setälä, Ari T. Friberg, and Jari Turunen. "Quasi-monochromatic modes of quasi-stationary, pulsed scalar optical fields." Journal of the Optical Society of America A 34, no. 9 (August 2, 2017): 1469. http://dx.doi.org/10.1364/josaa.34.001469.

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Diop, Babacar, and Vu Thien Binh. "Quasi-monochromatic field-emission x-ray source." Review of Scientific Instruments 83, no. 9 (September 2012): 094704. http://dx.doi.org/10.1063/1.4752406.

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Baldelli, P., A. Taibi, A. Tuffanelli, and M. Gambaccini. "Quasi-monochromatic x-rays for diagnostic radiology." Physics in Medicine and Biology 48, no. 22 (October 24, 2003): 3653–65. http://dx.doi.org/10.1088/0031-9155/48/22/003.

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Uesugi, Kentaro, Toshihiro Sera, and Naoto Yagi. "Fast tomography using quasi-monochromatic undulator radiation." Journal of Synchrotron Radiation 13, no. 5 (August 12, 2006): 403–7. http://dx.doi.org/10.1107/s0909049506023466.

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Savran, D., and J. Isaak. "Self-absorption with quasi-monochromatic photon beams." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 899 (August 2018): 28–31. http://dx.doi.org/10.1016/j.nima.2018.05.018.

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Egorov, Yuriy, and Alexander Rubass. "Spin-Orbit Coupling in Quasi-Monochromatic Beams." Photonics 10, no. 3 (March 13, 2023): 305. http://dx.doi.org/10.3390/photonics10030305.

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Анотація:
We investigate the concept that the value of the spin-orbit coupling is the energy efficiency of energy transfer between orthogonal components. The energy efficiency changes as the beam propagates through the crystal. For a fundamental Gaussian beam, its value cannot exceed 50%, while the energy efficiency for Hermite–Gaussian and Laguerre–Gaussian beams of higher orders of the complex argument can reach a value close to 100%. For Hermite–Gauss and Laguerre–Gauss beams of higher orders of real argument, the maximum energy efficiency can only slightly exceed 50%. It is shown that zero-order Bessel–Gauss beams are able to achieve an energy efficiency close to 100% when generating an axial vortex in the orthogonal component in both monochromatic and polychromatic light, while for a polychromatic Laguerre–Gauss or Hermite–Gauss beam of a complex argument, the energy efficiency reduced to a value not exceeding 50%. The spin angular momentum is compensated by changing the orbital angular momentum of the entire beam, which occurs as a result of the difference in the topological charge of the orthogonally polarized component by 2 units.
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Дисертації з теми "Quasi monochromatic"

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Coppini, Gabriele. "Applicazioni dei fasci quasi-monocromatici in medicina." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10405/.

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Анотація:
I raggi X, a partire dalla loro scoperta, avvenuta nel 1895 ad opera di Wilhelm Conrad Röntgen, si sono rivelati un potentissimo mezzo per lo studio della materia. In particolare in campo medico hanno permesso la nascita della diagnostica per immagini che, parallelamente allo sviluppo delle tecnologie, è diventata un mezzo imprescindibile per lo studio delle patologie. Negli ultimi decenni molti studi sono stati compiuti in particolare sui vantaggi dell’utilizzo nell’imaging di raggi X monocromatici in sostituzione dell’usuale radiazione policromatica. Con il seguente elaborato si ha l’intento di fornire un quadro generale sulla fisica dei raggi X, sulla loro interazione con la materia e sugli attuali metodi di produzione di fasci monocromatici e quasi-monocromatici, con particolare attenzione all'utilizzo su vasta scala. Sono state infine trattate le principali applicazioni della radiazione monocromatica e quasi-monocromatica nelle tecniche di imaging medico.
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Westphal, Maximillian. "Investigation of low energy, alternative X-ray sources and their interactions with multi-Z materials for theranostics." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1571133365330023.

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Книги з теми "Quasi monochromatic"

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Oklopcic, Zoran. The Nomos and the Gaze. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198799092.003.0006.

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Chapter 5 confronted the imagination of the right to self-determination in international law. It focused on the ways in which interpretations of that right hinge on jurists’ implicit cartographies, their scopic regimes, affective predilections, disciplinary self-images, concealed calculi of suffering, visions of alternative universes, false binaries, and their idiosyncratic levels of (im)patience and anxiety, which—together with their quasi-nationalistic professional commitments and dreams of disciplinary sovereignty—remain some of the main factors that determine how international lawyers interpret the national sovereignty, territorial integrity, and political autonomy of everyone else. After having proposed a number of new ways of looking at the claims of the right to self-determination, Chapter 6 ends on a sobering note: as long as jurists remain preoccupied with their own disciplinary self-determination and ‘linguistic’ purity, they will continue reproducing the flat, monochromatic, and vacuous imaginary of popular sovereignty.
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Частини книг з теми "Quasi monochromatic"

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Le Quéau, D., and A. Roux. "Quasi-Monochromatic Wave-Particle Interactions in Magnetospheric Plasmas." In Particle Acceleration and Trapping in Solar Flares, 59–80. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3999-8_7.

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Wohlleben, R., H. Mattes, and Th Krichbaum. "Reception of Quasi-Monochromatic, Partially Polarized Plane Waves." In Interferometry in Radioastronomy and Radar Techniques, 13–15. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3702-7_3.

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Neubert, W., W. Enghardt, U. Lehnert, E. Müller, B. Naumann, A. Panteleeva, and J. Pawelke. "Optimization of a Tunable Quasi-Monochromatic X-ray Source for Cell Irradiations." In Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications, 123–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-18211-2_21.

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Yu, C. H., R. Qi, W. T. Wang, J. S. Liu, W. T. Li, C. Wang, Z. J. Zhang, et al. "Generating Ultrahigh Brilliance Quasi-monochromatic MeV γ-Rays with High-Quality LWFA Electron Beams." In Springer Proceedings in Physics, 173–78. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73025-7_27.

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Einchcomb, S. J. B., and A. J. McKane. "Using Path-Integral Methods to Calculate Noise-Induced Escape Rates in Bistable Systems: The Case of Quasi-Monochromatic Noise." In Fluctuations and Order, 139–54. New York, NY: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4612-3992-5_10.

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"Imaging with Quasi-Monochromatic Waves." In Diffraction, Fourier Optics and Imaging, 153–76. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470085004.ch10.

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"The polarization properties of quasi-monochromatic light." In Introduction to Spectropolarimetry, 19–35. Cambridge University Press, 2003. http://dx.doi.org/10.1017/cbo9780511536250.004.

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Montgomery, P. C., C. Kazmierski, and S. Bouchoule. "Submicron profiling using quasi-monochromatic light interferometry." In Defect Recognition and Image Processing in Semiconductors 1997, 51–54. Routledge, 2017. http://dx.doi.org/10.1201/9781315140810-9.

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Shin, K., H. Kojima, H. Matsumoto, and T. Mukai. "Electrostatic Quasi-Monochromatic Waves Downstream of the Bow Shock: Geotail Observations." In Frontiers in Magnetospheric Plasma Physics - Celebrating 10 Years of Geotail Operation, Proceedings of the 16th COSPAR Colloquium held at the Institute of Space and Astronautical Science (ISAS), 293–96. Elsevier, 2005. http://dx.doi.org/10.1016/s0964-2749(05)80044-7.

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Sergeev, Andrei, and Kimberly Sablon. "Nonreciprocal Photovoltaics: The Path to Conversion of Entire Power-Beam Exergy." In Exergy - New Technologies and Applications [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109923.

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Nonreciprocal photonic management can shift the absorption-emission balance in favor of absorption and enhance the conversion efficiency beyond the detailed balance Shockley - Queisser limit. Nonreciprocal photovoltaic (PV) cells can provide the conversion of the entire exergy (Helmholtz free energy) of quasi-monochromatic radiation into electric power. Recent discoveries in electromagnetics have demonstrated the ability to break Kirchhoff’s reciprocity in a variety of ways. The absorption-emission nonreciprocity may be realized via dissipationless one-way optical components as well as via the greenhouse-type electron-photon kinetics that traps the low-energy near-bandgap photons in the cell. We calculate the limiting performance of the nonreciprocal dissipationless monochromatic converter and discuss the limiting efficiency of the nonreciprocal converter based on the greenhouse effect. We also perform detailed modeling of the greenhouse effect in the GaAs PV converter and determined its PV performance for conversion of 809 nm laser radiation. In perovskite PV cells the greenhouse filter establishes a sharp absorption edge and reduces conversion losses related to the distributed PV bandgap and laser-cell matching losses.
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Тези доповідей конференцій з теми "Quasi monochromatic"

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Xu, Senlu, Hao Chi, and Jun Gao. "Improved quasi-monochromatic depolarizer." In SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, edited by Paul B. Hays and Jinxue Wang. SPIE, 1996. http://dx.doi.org/10.1117/12.256129.

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Sato, Eiichi, Rudolf Germer, Etsuro Tanaka, Hidezo Mori, Toshiaki Kawai, Toshio Ichimaru, Shigehiro Sato, Hidenori Ojima, Kazuyoshi Takayama, and Hideaki Ido. "Quasi-monochromatic cerium flash angiography." In 26th International Congress on High-Speed Photography and Photonics, edited by Dennis L. Paisley, Stuart Kleinfelder, Donald R. Snyder, and Brian J. Thompson. SPIE, 2005. http://dx.doi.org/10.1117/12.567575.

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Nikolova, Ludmila, Todor Todorov, Peter Sharlandjiev, and Stoyan Stoyanov. "Polarimeter - Photometer for Quasi-Monochromatic Light." In Holography '89, edited by Yuri N. Denisyuk and Tung H. Jeong. SPIE, 1990. http://dx.doi.org/10.1117/12.963827.

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Kohiyama, Asaka, Makoto Shimizu, Fumitada Iguchi, and Hiroo Yugami. "Low-Directivity Quasi-Monochromatic Thermal Radiation From Microcavities Covered by Thin Metal Film." In ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/mnhmt2016-6683.

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Here, closed-end microcavity is proposed in which a semi-transparent metal film was formed atop microcavity. The structure shows weak angular dependence as well as quasi-monochromatic absorptance. Au is employed as material of the cavity walls and the covering thin film. Quasi-monochromatic absorption from the structure is observed in numerical simulation. High quality factor (Q factor) is obtained by strong confinement in the closed-end microcavity. Asymmetric and quasi-monochromatic absorption band with a Q factor of ∼28 at 1.85 μm was observed. This value was about 4-fold larger than that of the open-end microcavity. Additionally, the closed-end microcavity structure filled with SiO2 in cavity exhibits isotropic and quasi-monochromatic thermal radiation over a wide solid angle. This result suggests that both quasi-monochromatic and low-directivity absorptance can be realized by using this configuration.
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Richardson, Jonathan M. "Dual-energy quasi-monochromatic x-ray source development." In Medical Imaging 2004, edited by Martin J. Yaffe and Michael J. Flynn. SPIE, 2004. http://dx.doi.org/10.1117/12.535773.

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Sato, Eiichi, Yasuomi Hayasi, Etsuro Tanaka, Hidezo Mori, Toshiaki Kawai, Tatsumi Usuki, Koetsu Sato, et al. "Quasi-monochromatic radiography using a high-intensity quasi-x-ray laser generator." In Medical Imaging 2002, edited by Larry E. Antonuk and Martin J. Yaffe. SPIE, 2002. http://dx.doi.org/10.1117/12.465598.

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Sato, Eiichi, Yasuomi Hayasi, Hidezo Mori, Etsuro Tanaka, Kazuyoshi Takayama, Hideaki Ido, Kimio Sakamaki, and Yoshiharu Tamakawa. "Quasi-monochromatic x-ray production from the cerium target." In International Symposium on Optical Science and Technology, edited by F. P. Doty, H. Bradford Barber, Hans Roehrig, and Edward J. Morton. SPIE, 2000. http://dx.doi.org/10.1117/12.410568.

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Sato, Eiichi, Yasuomi Hayasi, Etsuro Tanaka, Hidezo Mori, Toshiaki Kawai, Toshio Ichimaru, Fumiko Obata, et al. "Quasi-monochromatic polycapillary imaging utilizing a computed radiography system." In Optical Science and Technology, SPIE's 48th Annual Meeting, edited by George A. Kyrala, Jean-Claude J. Gauthier, Carolyn A. MacDonald, and Ali M. Khounsary. SPIE, 2004. http://dx.doi.org/10.1117/12.505433.

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Kohiyama, Asaka, Makoto Shimizu, Hiroaki Kobayashi, Fumitada Iguchi, and Hiroo Yugami. "High-Efficiency Thermophotovoltaic System by Quasi-Monochromatic Thermal Radiation." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6743.

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Efficiency of solar-thermophotovoltaic (TPV) systems can be improved by controlling spectral property of thermal radiation to match the photovoltaic (PV) cells spectral response. We developed a spectrally selective emitter which can emit quasi-monochromatic thermal radiation to improve the efficiency of TPV systems. From the evaluation by the detailed-balance model for gallium antimonite (GaSb) TPV cells, the photovoltaic conversion efficiency over 50 % is achievable in the case of the emitter temperature over 1800K and emitter Q-value over 15. The numerical simulation based on Rigorous-Coupled Wave Analysis revealed that the quasi-monochromatic thermal radiation can be obtained by closed-end microcavity structure. A solar-TPV system equipped with a solar-simulator is fabricated to evaluate the effect of spectrally selective emitter. By using GaSb TPV cells and spectrally selective emitter based on dielectric layer coating, photovoltaic conversion efficiency of 26% and total efficiency of 7.7% are obtained at emitter temperature of 1654 K under 384 suns.
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Kuznetsova, Liana V., and Dmitry A. Zimnyakov. "Multiple-beam interferometry of turbid media with quasi-monochromatic light." In Saratov Fall Meeting '99, edited by Valery V. Tuchin, Dmitry A. Zimnyakov, and Alexander B. Pravdin. SPIE, 2000. http://dx.doi.org/10.1117/12.381493.

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