Dissertationen zum Thema „Light novel“
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McRobbie, Andrew Douglas. „Novel semiconductor based light sources“. Thesis, University of St Andrews, 2009. http://hdl.handle.net/10023/565.
Der volle Inhalt der QuelleMcRobbie, Andrew Douglas. „Novel semiconductor based light sources /“. St Andrews, 2008. http://hdl.handle.net/10023/565.
Der volle Inhalt der QuelleCraig, Katie. „Sweetness and light“. Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9477.
Der volle Inhalt der QuelleWang, Yongchang. „Novel Approaches in Structured Light Illumination“. UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/116.
Der volle Inhalt der QuelleEftekhari, Ehsan. „Novel Nanostructures for Manipulating the Light“. Thesis, Griffith University, 2016. http://hdl.handle.net/10072/367254.
Der volle Inhalt der QuelleThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Engineering
Science, Environment, Engineering and Technology
Full Text
Ho, P. K. H. „Novel architectures for polymer light-emitting diodes“. Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604103.
Der volle Inhalt der QuelleFedorova, Ksenia Alexandrovna. „Novel semiconductor based broadly tunable light sources“. Thesis, University of Dundee, 2011. https://discovery.dundee.ac.uk/en/studentTheses/ce12469e-3473-4a97-9f4d-45ade4c0acfb.
Der volle Inhalt der QuelleSAVARESE, CLAUDIO. „A novel light detector for DarkSide-20k“. Doctoral thesis, Gran Sasso Science Institute, 2018. http://hdl.handle.net/20.500.12571/9683.
Der volle Inhalt der QuelleFrese, Heather K. „A Hollow Light“. Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1212165103.
Der volle Inhalt der QuelleSchmit, Jean-Paul. „Novel polymers for applications in light emitting diodes“. Thesis, Lancaster University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322867.
Der volle Inhalt der QuelleNg, Wai Lek. „Spectroscopy of novel light emitting silicon-based diodes“. Thesis, University of Surrey, 2000. http://epubs.surrey.ac.uk/804881/.
Der volle Inhalt der QuelleRing, Josh. „Novel fabrication and testing of light confinement devices“. Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/novel-fabrication-and-testing-of-light-confinement-devices(51572720-0c49-482e-8523-e44ca877117f).html.
Der volle Inhalt der QuelleHamam, Rafif E. (Rafif Ezzat). „Novel resonant and light-guiding phenomena in photonics“. Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/68974.
Der volle Inhalt der QuelleCataloged from PDF version of thesis.
Includes bibliographical references (p. 100-109).
We investigate theoretically five novel resonant and light-guiding photonics phenomena. First, we develop a universal coupled mode theory (CMT) treatment of the freespace scattering of waves from resonant objects. This analytical framework very accurately models the scattering and absorption cross sections, as long as the resonant scatterer has spherical/cylindrical symmetry, or is sufficiently smaller than the resonant wavelength of the incident wave. We apply it to study the scattering of light from spherically symmetrical resonant objects and atoms, and also the neutron scattering off nuclei. Then, we propose an efficient weakly-radiative Wireless Energy Transfer (WET) scheme between two identical classical resonant objects, strongly coupled to an intermediate one having the same resonance frequency. The transfer mechanism, analyzed by CMT, relies on the adiabatic evolution of a dark eigenstate of the 3-object system. We explore its performance in various parameter regimes, and illustrate it by witricity-type WET between resonant inductively-coupled capacitively-loaded metallic loops. Third, we develop an analytical CMT model for the electric field generated by an arbitrary polarization source in a general photonic structure (that could involve loss, gain and/or nonlinearities). Based on this model, we investigate the criteria for enhancing the efficiency of nonlinear effects, and produce efficient terahertz sources. The results, validated by Finite-Difference Time-Domain (FDTD) calculations, suggest that this approach could potentially be a substitute for the more numerically intensive FDTD method. Next, we propose a 2D PhC structure that supports super-collimation over a large frequency range. We theoretically and numerically investigate the collimation mechanism in this 2D structure, in comparison to that of two other frequently used related PhC structures. We also point out the potential importance of this structure in designing super-collimation-based devices for monochromatic and polychromatic light. Finally, we present numerical simulations of anisotropic multilayers that strongly discriminate certain incidence angles of light, over a broad range of frequencies and irrespective of polarization. Such systems could improve the efficiency of solar cells.
by Rafif E. Hamam.
Ph.D.
Peacock, Anna Claire. „Applications of light propagation in novel photonic devices“. Thesis, University of Southampton, 2004. https://eprints.soton.ac.uk/42429/.
Der volle Inhalt der QuelleShangguan, Hanqun. „Novel Cylindrical Illuminator Tip for Ultraviolet Light Delivery“. PDXScholar, 1993. https://pdxscholar.library.pdx.edu/open_access_etds/4647.
Der volle Inhalt der QuelleZanardi, Noemi <1993>. „Strategie visive: analisi paratestuale dei romanzi light novel“. Master's Degree Thesis, Università Ca' Foscari Venezia, 2018. http://hdl.handle.net/10579/12564.
Der volle Inhalt der QuelleWood, Danielle. „The Alphabet of Light and Dark : A Novel and Accompanying Essay“. Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2003. https://ro.ecu.edu.au/theses/303.
Der volle Inhalt der QuellePowell, Zachary Michael. „Iron kills the stars: the commune of eternal light“. Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/13776.
Der volle Inhalt der QuelleDepartment of English
Daniel A. Hoyt
This project is the opening chapters of a novel in which two brothers, Txanton and Riddley, are split from each other in post-apocalyptic Kansas. The Commune of Eternal Light has been their family’s peaceful home for more than a hundred years but is crushed by a fascist army that considers killing the only way to survive in civilization’s aftermath. In this destruction, Txanton sees his father’s murder, while Riddley watches his mother’s death. After the separation, Txanton, along with several other boys from the Commune, becomes part of the very army that destroyed his family, and he is visited by the ghost of his great-great grandfather who begins telling his personal story along with the tale of the downfall of the world. Riddley, meanwhile, wanders a picaresque path in which he sees cannibals, zombies, witches, a cowboy, and other ghosts. Both boys struggle with the brutality of the wasteland they are thrust into and try to cope with the memories of their peaceful home and the deaths of their family and friends. Told in chapters that jump back-and-forth between the two brothers, the novel parallels their challenges in a close third-person narrative.
Enevold, Jenny. „Development of light-emitting electrochemical cells for novel applications“. Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-59072.
Der volle Inhalt der QuelleJunco, Alberto. „Characterisation [i.e. Characterization] of a novel Kinesin Light Chain“. Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0021/MQ55220.pdf.
Der volle Inhalt der QuellePreece, Daryl. „Novel uses of spatial light modulators in optical tweezers“. Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/2619/.
Der volle Inhalt der QuelleLiu, Shi. „Development of novel conjugated polymers for light-emitting diodes /“. Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/10569.
Der volle Inhalt der QuelleBevilacqua, Maurizio. „Novel models and methods for structured light 3D Scanners“. Doctoral thesis, Universita degli studi di Salerno, 2012. http://hdl.handle.net/10556/289.
Der volle Inhalt der QuelleThe work made during the PhD course in Information Engineering, was focused on the possibility to find out novel techniques for the quick calibration of a cheap 3D Scanner. It is based on a simple camera and a commercial projector, in order to develop low-cost devices with high reliability capable of acquiring large areas quickly. Many systems based on this configuration exist, those devices have benefits and disadvantages. They can acquire objects with large surface in a few seconds and with an adequate accuracy. On the other hand, they need a lengthy calibration and they are very sensitive to the noise due to the flicker of the light source. Considering these problems, I tried to find new robust calibration techniques in order to reduce the sensitivity to noise, and, in this way, to have high-performance low-cost 3D scanners with short-time calibration and reconfiguration. There are many calibration techniques available for these systems. First, it is necessary to calibrate the camera and then the overall system for projecting analog encoded patterns, typically sinusoidal or digital, such as Gray codes. These techniques are very time-consuming because they require a prior camera calibration phase separate from the calibration of the whole system and also disturbing factors are introduced by the ambient light noise. Indeed, a lot of projection patterns, used to map the calibration volume, are required to be projected. In order to achieve our goal, different types of structured light scanner have been studied and implemented, according to the schemes proposed in literature. For example, there exist scanners based on sinusoidal patterns and others based on digital patterns, which also allowed the implementation in real time mode. On these systems classical techniques of calibration were implemented and performance were evaluated ad a compromise between time and accuracy of the system. Classical calibration involves the acquisition of phase maps in the volume calibration following a pre-calibration of the camera. At the beginning, an algorithm that allows calibration through the acquisition of only two views has been implemented, including camera calibration, modeled by pin-hole model, in the calibration algorithm. To do this, we have assumed a geometric model for the projector which has been verified by the evaluation of experimental data. The projector is then modeled as a second camera, also using the pin-hole model, and we proceeded with the calibration of camera-projector pair as a pair of stereo cameras, using a DLT calibration. Thanks to the acquisition of two views of the target volume in the calibration, it is possible to extract the parameters of the two devices through which the projected pattern can be generated, and the acquisition by the camera can be done, eliminating the problem of noise due to ambient light. This system is a good compromise between the reduction in calibration time, which passed from half an hour to a couple of minutes, with a reduction in term of uncertainty in order of one percentage point of calibration volumes that was chosen of a depth of 10 centimeters… [edited by author]
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Nicol, David Brackin. „A Novel Solid State General Illumination Source“. Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14032.
Der volle Inhalt der QuelleMangogna, Manuela. „Studies of light perceptionin marine diatoms and discovery of a novel blue light cryptochrome photoreceptor“. Thesis, Open University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.446292.
Der volle Inhalt der QuellePowell, Alexander. „Engineering plasmonic light scattering with thin dielectric films : towards enhanced light trapping and novel sensing elements“. Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:c18025ef-a693-441d-bd88-e37ebc09b6a5.
Der volle Inhalt der QuelleMastandrea, Marco Michele. „Harnessing Visible Light for the Development of Novel Synthetic Strategies“. Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/670605.
Der volle Inhalt der QuelleEl principal objetivo de esta tesis es el desarrollo de nuevas estrategias sintéticas que aprovechen la irradiación con luz visible. La catálisis fotoredox en combinación con catalizadores órganicos y metálicos, así como la fotoquímica de complejos pi-anión, serán los conceptos principales que permitirán explorar nuevas vías de reacción. Tras una introducción general, en esta tesis se recogen tres proyectos de investigación. El primer proyecto de investigación, incluido en el Capítulo II, muestra el desarrollo de una metodología para el acoplamiento cruzado deshidrogenativo asimétrico de aldehídos y xantenos. La característica clave de esta aproximación se encuentra en el proceso de dos pasos empleado para oxidar los xantenos a sus correspondientes carbocationes, posteriormente atrapados por una enamina formada in situ. La suavidad y selectividad que permite la catálisis fotoredox permite alcanzar altos niveles de estereocontrol, buenos rendimientos y una amplia tolerancia de grupos funcionales. El segundo proyecto, que se muestra en el Capítulo III, ilustra una nueva estrategia fotoredox para la síntesis de una amplia gama de aminas alílicas y éteres a partir de ácidos carboxílicos y alquinos. Este enfoque se basa en la activación de alquinos terminales a través de la fotoexcitación de intermedios de acetiluro de cobre formados transitoriamente. Este proceso se lleva a cabo mediante catálisis cooperativa de cobre y un catalizador orgánico fotoredox y se puede realizar de manera estereodivergente. La metodología desarrollada se ha aplicado al acoplamiento estereoselectivo de radicales alquilo primarios, secundarios y terciarios con alquinos terminales (hetero)aromáticos. Finalmente, las interacciones anión-pi se han identificado como el paso habilitador en la amidación de sistemas aromáticos promovida por la luz. La evidencia disponible indica que se produce un complejo anión-pi entre el carbonato y una ariloxi amida pobre en electrones, lo que facilita la absorción de la luz visible. Tras la irradiación, tiene lugar una transferencia de electrones intracomplejo espontánea, que conduce finalmente a la generación de radicales amidilo. Estos radicales han sido atrapados eficazmente por (hetero)arenos ricos en electrones o de forma intramolecular, proporcionando los correspondientes productos amidados.
The main goal of this thesis is the development of new synthetic strategies harnessing visible light irradiation. Cooperative organo- and metal photoredox catalysis, as well as anion-pi complexes photochemistry, will be the main concepts exploited to explore new reaction pathways. After a general introduction, three research projects are collected in this thesis. The first research project, included in Chapter II, shows the development of a methodology for the asymmetric cross-dehydrogenative coupling of aldehydes and xanthenes. The key feature of this approach stands in the two-step process employed to oxidize xanthenes to their corresponding carbocations, subsequently trapped by an in situ formed enamine. The mildness and selectivity enabled by photoredox catalysis allows to reach high levels of stereocontrol, good yields and wide functional group tolerance. The second project, shown in Chapter III, illustrates a novel photoredox strategy for the synthesis of a wide range of allylic amines and ethers from carboxylic acids and alkynes. This approach relies on the activation of terminal alkynes through the photoexcitation of transiently formed copper acetylide intermediates. This process takes place through cooperative copper and organic photoredox catalysis and can be carried out in stereodivergent manner. The developed methodology has been applied to the stereoselective coupling of primary, secondary and tertiary alkyl radicals with (hetero)aromatic terminal alkynes. Finally, anion–pi interactions have been identified as the enabling step in the light-promoted amidation of aromatic systems. The available evidence indicates that an anion pi-complex between carbonate and an electron-poor aryloxy amide is elicited, facilitating the absorption of visible light. Upon irradiation, a spontaneous intracomplex electron transfer takes place, leading ultimately to the generation of amidyl radicals. These radicals have been efficiently trapped by electron-rich (hetero)arenes or in an intramolecular fashion, affording the corresponding amidated products.
Schwartz, Gregor. „Novel Concepts for High-Efficiency White Organic Light-Emitting Diodes“. Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1217967185179-03950.
Der volle Inhalt der QuelleTurner, Matthew. „Light along the river a short novel in two parts /“. Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1211398623/.
Der volle Inhalt der QuelleStanton-Humphreys, Megan. „Design, synthesis and application of novel light-activated molecular probes“. Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:1d0905c4-7fba-4796-92a5-848715204950.
Der volle Inhalt der QuelleMeng, Xiangeng. „Studies on Novel Light Emitting Materials Based on Random Systems“. 京都大学 (Kyoto University), 2008. http://hdl.handle.net/2433/66210.
Der volle Inhalt der QuelleSchwartz, Gregor. „Novel Concepts for High-Efficiency White Organic Light-Emitting Diodes“. Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A23655.
Der volle Inhalt der QuelleFröbel, Markus. „Novel Concepts For Alternating Current Operated Organic Light-Emitting Devices“. Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-221652.
Der volle Inhalt der QuelleHsu, Chia Wei. „Novel Trapping and Scattering of Light in Resonant Nanophotonic Structures“. Thesis, Harvard University, 2014. http://nrs.harvard.edu/urn-3:HUL.InstRepos:14226083.
Der volle Inhalt der QuelleKwok, Chi Chung. „Synthesis and characterization of novel series of light-emitting oligomers“. HKBU Institutional Repository, 2001. http://repository.hkbu.edu.hk/etd_ra/295.
Der volle Inhalt der QuelleCardile, Paolo. „Emission and amplification of light from novel Si-based materials“. Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/934.
Der volle Inhalt der QuelleKalaji, Ali. „Novel cerium-doped phosphors for solid-state lighting“. Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607693.
Der volle Inhalt der QuelleJones, James Kevin. „Design of a novel stacked storage ring for low emittance light sources“. Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/design-of-a-novel-stacked-storage-ring-for-low-emittance-light-sources(53cedd16-ea4d-4343-abc9-78886a934a9b).html.
Der volle Inhalt der QuelleBeck, Tobias. „Novel Concepts of Light Application for ALA-PDT of Malignant Gliomas“. Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-117999.
Der volle Inhalt der QuelleRudhall, Andrew Peter. „Ultrashort laser pulse shaping for novel light fields and experimental biophysics“. Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3682.
Der volle Inhalt der QuelleSchott, CeÌcile. „Dynamic light scattering and Freedericksz transition in novel nematic liquid crystals“. Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274513.
Der volle Inhalt der QuelleWang, Yisu. „Fabrication and quantitative correlative light-electron microscopy of novel plasmonic nanoparticles“. Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/120089/.
Der volle Inhalt der QuelleHeidt, Alexander Matthias. „Novel coherent supercontinuum light sources based on all-normal dispersion fibers“. Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/17780.
Der volle Inhalt der QuelleENGLISH ABSTRACT: The concept of broadband coherent supercontinuum (SC) generation in all-normal dispersion (ANDi) fibers in the near-infrared, visible and ultraviolet (UV) spectral regions is introduced and investigated in detail. In numerical studies, explicit design criteria are established for ANDi photonic crystal fiber (PCF) designs that allow the generation of flat and smooth ultrabroad spectral profiles without significant fine structure and with excellent stability and coherence properties. The key benefit of SC generation in ANDi fibers is the conservation of a single ultrashort pulse in the time domain with smooth and recompressible phase distribution. In the numerical investigation of the SC generation dynamics self-phase modulation and optical wave breaking are identified as the dominant nonlinear effects responsible for the nonlinear spectral broadening. It is further demonstrated that coherence properties, spectral bandwidth and temporal compressibility are independent of input pulse duration for constant peak power. The numerical predictions are in excellent agreement with experimental results obtained in two realizations of ANDi PCF optimized for the near-infrared and visible spectral region. In these experiments, the broadest SC spectrum generated in the normal dispersion regime of an optical fiber to date is achieved. The exceptional temporal properties of the generated SC pulses are verified experimentally and their applicability for the time-resolved study of molecular dynamics in ultrafast transient absorption spectroscopy is demonstrated. In an additional nonlinear pulse compression experiment, the SC pulses obtained in a short piece of ANDi PCF could be temporally recompressed to sub-two cycle durations by linear chirp compensation. Numerical simulations show that even shorter pulse durations with excellent quality can be achieved by full phase compensation. The concept is further extended into the UV spectral regime by considering tapered optical fibers with submicron waist diameter. It is shown that coherent SC spectra with considerable spectral power densities in the usually hard to reach wavelength region below 300 nm can be generated using these freestanding photonic nanowires. Although technological difficulties currently prevent the fabrication of adequate nanofibers, the concept could be experimentally verified by coherent visible octave-spanning SC generation in tapered suspended core fibers with ANDi profile. The work contained in this thesis therefore makes important contributions to the availability and applicability of fiber-based broadband coherent SC sources with numerous high-impact applications in fundamental science and modern technology.
AFRIKAANSE OPSOMMING: Die konsep van breëband koherente superkontinuum (SK) in alles-normaal dispersiewe (ANDi) vesels in die naby-infrarooi, sigbare en ultraviolet (UV) spektrale gebiede word voorgestel en in detail ondersoek. In numeriese studies word eksplisiete ontwerpskriteria vasgestel vir ANDi fotoniese kristal vesel (FKV) ontwerpe wat dit moontlik maak om plat en gladde ultra-breë spektrale profiele te genereer sonder noemenswaardige fynstruktuur en met uitstekende stabiliteit en koherensie eienskappe. Die sleutel voordeel van SK genering in ANDi vesels is die behoud van ’n enkele ultrakort puls in tyd met ’n gladde en saamdrukbare fase distribusie. In die numeriese ondersoek van die SK generering is die dinamika van fase selfmodulering geïdentifiseer as die dominante nie-lineêre effek wat verantwoordelik is vir die nie-lineêre spektrale verbreding. Daar word voorts aangetoon dat die koherensie eienskappe, spektrale bandwydte en saamdrukbaarheid in tyd onafhanklik is van die inset pulsduur vir konstante drywing. Die numeriese voorspellings stem uitstekend ooreen met die eksperimentele resultate wat verkry is met twee ANDi FKVÕs wat optimeer is vir die naby-infrarooi en sigbare spektrale gebied. In hierdie eksperimente is die breedste SK spektrum gegenereer wat tot hede in die normaal dispersiewe regime met ’n optiese vesel behaal is. Die besondere eienskappe van die genereerde SK pulse is eksperimenteel bevestig en die toepasbaarheid vir tyd opgelosde studie van molekulêre dinamika is gedemonstreer. In ’n addisionele nie-lineêre puls kompressie eksperiment is SK pulse verkry in ’n kort stuk ANDi FKV wat in tyd saamgedruk kon word tot sub-twee siklus tydsduur deur liniêre tjirp kompensering. Numeriese simulasies toon aan dat selfs korter pulse met uitstekende kwaliteit behaalbaar is met volledige fase kompensasie. Die konsep is verder uitgebrei na die UV spektrale gebied deur ’n koniese vesel te beskou met sub-mikron diameter. Daar is aangetoon dat koherente SK spektra met noemenswaardige spektrale drywing in die golflengte gebied onder 300 nm, wat gewoonlik as moeilik toeganklik beskou word, bereik kan word deur hierdie vrystaande fotoniese nano-vesels aan te wend. Alhoewel tegnologiese probleme die vervaardiging van voldoende nano-vesels verhinder, kon die konsep eksperimenteel bewys word deur koherente sigbare oktaafspannende SK te genereer in koniese gesuspendeerde kern vesels met ’n ANDi profiel aan te wend. Die werk wat in die tesis vervat is, maak dus belangrike bydraes tot die beskikbaarheid en toepasbaarheid van vesel gebaseerde breëband koherente SK bronne met verskeie hoë impak toepassings in fundamentele wetenskap en moderne tegnologie.
Breslin, John Anthony. „Novel pixel circuits for liquid crystal over silicon spatial light modulators“. Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/12059.
Der volle Inhalt der QuelleFilip, Marina Rucsandra. „Electronic excitations and rational design of novel light sensitisers for photovoltaics“. Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:f514f6d8-201d-4055-aa53-182307e63b00.
Der volle Inhalt der QuelleLin, Meifang. „Robust organic light emitting device with advanced functional materials and novel device structures“. HKBU Institutional Repository, 2008. http://repository.hkbu.edu.hk/etd_ra/939.
Der volle Inhalt der QuelleArk, Morris. „Development of a Novel Treatment Device for Upper Gastrointestinal Complications“. Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18134.
Der volle Inhalt der QuelleKeeling, David. „Novel thin film optical modulator/tunable retarder“. Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/29595.
Der volle Inhalt der QuelleCommittee Chair: A. Rahman Zaghloul ; Committee Members: W. Russell Callen and Doug Yoder. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Egertz, David. „Novel Safety Requirements and Crash Test Standards for Light- Weight Urban Vehicles“. Thesis, KTH, Lättkonstruktioner, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-78694.
Der volle Inhalt der QuelleShen, Hanfei M. 1979. „Novel broadband light sources and pulse generation techniques at 1.5 [mu]m“. Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54645.
Der volle Inhalt der QuelleIn title on title page, [mu] appear as lower case Greek letter. Cataloged from PDF version of thesis.
Includes bibliographical references.
A wide diversity of applications, in both fundamental science and practical technology, has come to rely on broadband optical light sources as key enabling tools. In this thesis, we investigate three devices that contribute to the generation of broadband light at 1.5 [mu]m. The first two fall into the same broader class of saturable absorber mirrors - one device was developed for low-repetition-rate sub-100-fs ultrafast lasers and the other for high-repetition- rate femtosecond lasers. The third device bypasses generating broadband light directly from a laser altogether through the use of extra-cavity spectral broadening in a novel highly nonlinear glass fiber. In the first category, ultra-broadband saturable absorber mirrors based on III/V and Si material systems were developed for ultrafast lasers. The III/V-based mirrors were designed, fabricated, characterized and implemented in a wide range of wavelengths, spanning the visible to the near-infrared. These mirrors exhibited high-reflectivity ranges of >300 nm. Implementation of these mirrors in Ti:sapphire, Cr4+:forsterite, Cr4+:YAG, and erbium-doped bismuth-oxide lasers demonstrated self-starting and stable modelocked operation. Saturable absorber mirrors were also developed for high-repetition-rate short-cavity femtosecond lasers, with modulation depths ranging from 1.7% to 11%. Post-growth proton bombardment was used to improve recovery times, and preliminary laser testing has yielded promising results, with all structures demonstrating modelocking in an erbium-doped fiber laser.
(cont.) Saturable absorber mirrors with integrated dispersion compensation were also designed with 750 fs2 of anomalous group delay dispersion at 1.5 [mu]m. Finally, a novel highly nonlinear bismuth-oxide glass fiber was used to generate smooth, controlled supercontinuum spanning 1200 to 1800 nm. With a 2-cm length and a grating pair for dispersion compensation, compression of 150-fs pulses down to 25-fs was also demonstrated.
by Hanfei M. Shen.
Ph.D.