Littérature scientifique sur le sujet « Ultra-Fast optic »
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Articles de revues sur le sujet "Ultra-Fast optic"
Liu, Yi, Min Chen, Jinjian Li, Ming Chen et Shiliang Qu. « An Ultra-Simple Microchannel-Free Fiber-Optic Gas-Pressure Sensor With Ultra-Fast Response ». IEEE Sensors Journal 22, no 7 (1 avril 2022) : 6621–27. http://dx.doi.org/10.1109/jsen.2022.3151368.
Texte intégralWu, Nan, Xiaotian Zou, Ye Tian, John Fitek, Michael Maffeo, Christopher Niezrecki, Julie Chen et Xingwei Wang. « An ultra-fast fiber optic pressure sensor for blast event measurements ». Measurement Science and Technology 23, no 5 (11 avril 2012) : 055102. http://dx.doi.org/10.1088/0957-0233/23/5/055102.
Texte intégralWang, Yan, Tongtong Liu, Jiangyi Liu, Chuanbo Li, Zhuo Chen et Shuhui Bo. « Organic electro-optic polymer materials and organic-based hybrid electro-optic modulators ». Journal of Semiconductors 43, no 10 (1 octobre 2022) : 101301. http://dx.doi.org/10.1088/1674-4926/43/10/101301.
Texte intégralLi, Jian Wei, Nan Xu, Jian Li et Zhi Xin Zhang. « Ultrafast Electrical Signal Electro-Optic Sampling Test Theory and Test System ». Advanced Materials Research 571 (septembre 2012) : 471–75. http://dx.doi.org/10.4028/www.scientific.net/amr.571.471.
Texte intégralRomashko, R. V., S. Di Girolamo, Y. N. Kulchin, J. C. Launay et A. A. Kamshilin. « Fast-adaptive fiber-optic sensor for ultra-small vibration and deformation measurement ». Journal of Physics : Conference Series 85 (1 octobre 2007) : 012024. http://dx.doi.org/10.1088/1742-6596/85/1/012024.
Texte intégralBadr, Mohamed M., Mohamed Y. Abdelatty et Mohamed A. Swillam. « Ultra-fast silicon electro-optic modulator based on ITO-integrated directional coupler ». Physica Scripta 94, no 6 (11 avril 2019) : 065502. http://dx.doi.org/10.1088/1402-4896/ab0ce1.
Texte intégralShah, R. D., R. J. Cliffe, B. M. Novac, I. R. Smith et P. Senior. « An ultra-fast electro-optic probe for 500 kV pulsed voltage measurements ». Measurement Science and Technology 13, no 2 (16 janvier 2002) : 226–28. http://dx.doi.org/10.1088/0957-0233/13/2/314.
Texte intégralMacMahon, Rohan, et Murray Milner. « Ultra-fast broadband in New Zealand : Progress Accelerating ». Australian Journal of Telecommunications and the Digital Economy 3, no 4 (29 décembre 2015) : 12. http://dx.doi.org/10.18080/ajtde.v3n4.32.
Texte intégralMacMahon, Rohan, et Murray Milner. « Ultra-fast broadband in New Zealand : Progress Accelerating ». Journal of Telecommunications and the Digital Economy 3, no 4 (29 décembre 2015) : 12–25. http://dx.doi.org/10.18080/jtde.v3n4.32.
Texte intégralBelhassen, Jérémy, Zeev Zalevsky et Avi Karsenty. « Optical Polarization Sensitive Ultra-Fast Switching and Photo-Electrical Device ». Nanomaterials 9, no 12 (7 décembre 2019) : 1743. http://dx.doi.org/10.3390/nano9121743.
Texte intégralThèses sur le sujet "Ultra-Fast optic"
Fan, Xiaofei. « Contrôle ultrarapide de l'aimantation dans des hétérostructures à base de VO₂ ». Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0271.
Texte intégral(1) We have investigated the phase transition in ultrathin amorphous VO₂ and its physical mechanism: We have successfully prepared ultrathin (nano-scale) amorphous VO₂ films with significant phase transition by magnetron sputtering and demonstrated the phase transition of amorphous VO₂ - EGT. In addition, we quantitatively modeled the phase transition of amorphous VO₂ and classified different thicknesses of VO₂ into "strong system" (>5 nm) and "fragile system" (0-2 nm). For the strong system, the material properties are less affected by temperature, and the Arrhenius model is used to describe the electron transport of VO₂ phase transition. While for the fragile system, the material properties are more affected by temperature fluctuations, and the Vogel-Tammann-Fulcher model can be used for analysis. The results demonstrate the phase transition mechanism of amorphous materials and provide a new idea for understanding phase transition. In addition, this direct method of growing ultrathin VO₂ using magnetron sputtering is convenient and fast, and it can be grown in the same batch with other materials within the heterostructure, which is expected to promote the application of phase transition materials in practical devices.(2) We explored a method to dynamically regulate the interlayer exchange coupling by phase transition: we introduced the VO₂ into the ferromagnetic/nonmagneticspacer/ferromagnetic heterostructure, and successfully realized the reversible transformation of the antiferromagnetic coupling and ferromagnetic coupling through regulating conduction electrons by MIT of VO₂. At the same time, from the analysis of the change of magnetic properties, we clarify that the IEC induced by VO₂ in different electronic states is dominated by the RKKY and spin dependent tunneling. Furthermore, we fully investigate the physical root behind the regulation of IEC by the VO₂, and reveal the regulation mechanism of the interface spin effect by the regulation of electronic states of non-magnetic spacer. This part of the work proposes a novel approach to the dynamic regulation of IEC, which provides new ideas for the application of IEC in spintronic devices.(3) We study the dynamic regulation of spin-polarized hot electron transport by phase transition: In a ferrimagnetic/nonmagnetic diffusion channel/ferromagnetic heterostructure, we introduce VO₂ into the diffusion channel to control the electrical properties of the channel by MIT, and then dynamically regulate the transport of spin-polarized hot electrons generated by the ultrafast demagnetization of GdCo. By regulating the on/off of hot electrons in the channel, we achieve dynamic regulation of the magnetization of adjacent ferromagnetic layers. Meanwhile, with the optical property changes introduced by VO₂, we have successfully achieved the switching of the magnetization of ferromagnetic materials without AOS in ferrimagnetism excited by a single-pulse femtosecond laser. Furthermore, we have verified and analyzed the mechanism of this ultrafast modulation. In this work, we use the phase transition material VO₂ as a diffusion channel with controllable electrical properties to control the hot electron transport through MIT. The results show that the non-magnetic materials play an important role in various types of heterostructures
Koseoglu, Devrim. « Material Characterization With Terahertz Time-domain Spectroscopy ». Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12611648/index.pdf.
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crystals of various thicknesses to test the applicability of this algorithm. We have shown that the algorithm developed provides a quick way of eliminating the &ldquo
etalon&rdquo
reflections from the data. In addition, it is also shown that these &ldquo
etalon&rdquo
effects can be used for the frequency calibration of terahertz time-domain spectrometers.
Bahamin, Babak. « Fabrication and packaging of a 1X4 ultra fast all-photonic switch ». Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83850.
Texte intégralRamos-Ortiz, Gabriel. « Frequency conversion in conjugated organic molecules and its applications to ultra-fast pulse diagnostic and imaging ». Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/289952.
Texte intégralEibna, Halim Md Zubaer. « Passively mode-locked picosecond Nd:KGW laser with low quantum defect diode pumping ». Astro Ltd, 2016. http://hdl.handle.net/1993/31913.
Texte intégralFebruary 2017
Dong, Peiliang. « On-chip ultra-fast data acquisition system for optical scanning acoustic microscopy using 0.35um CMOS technology ». Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10667/.
Texte intégralPariente, Gustave. « Caractérisation spatio-temporelle d’impulsions laser de haute puissance ». Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS003/document.
Texte intégralHigh power laser make it possible to reach very high intensities (up to 10²²W.cm⁻²). In order to get to this level of intensity, a moderate quantity of energy (on the order of the Joule) is concentrated in a very short time (on the order of tens of femtoseconds) onto a small surface (on the order of 1 μm²). These beams are therefore ultra-short and focused with a high aperture optic. These features mean that their diameter prior to focus is large and their spectral width is big. As a result, these beams are subject to spatio-spectral distorsions (of spatio-temporal couplings). After focus, these distorsions induce a dramatic reduction of the peak intensity. This situation is all the more true when the laser is more intense and its diameter and spectral width are therefore bigger. Despite their detrimental effects, spatio-temporal couplings can be of great interest when controlled. One can indeed introduce weak spatio-temporal couplings for experimental purposes. In the 1990s and 2000s, a big effort was put in order to characterize dans optimize the temporal profile of femtosecond lasers. Meanwhile, adaptative optics solutions were developed to control the spatial profil of ultra intense laser beams and provide the best focal spot achievable. By nature, this approach is blind to spatio-temporal couplings. Measuring these distorsions requires a spatio-temporal characterization. Before the start of this Phd thesis, spatio-temporal characterization methods already existed. Although none of these devices were ever adapted to the measurement of ultra-intense laser beams. During this Phd Thesis, we developped a new spatio-temporal characterization technique which we called TERMITES. This technique is based on a self-referenced Fourier transform spectroscopy scheme. TERMITES made it possible for us to perform the first total spatio-temporal characterization of a 100 TW laser (UHI-100 at CEA Saclay, France). The detection of spatio-temporal distorsions with the help of these measurements confirmed the need for a generalization of spatio-temporal characterization of ultra-high power lasers
Andreoli, Daria. « Contrôle spatio-temporel multi-spectral de la lumière en milieux complexes ». Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066679/document.
Texte intégralThe transmission matrix allows to describe the effects generated by a multiple scattering medium on an incident monochromatic wave. The aim of the work presented in this dissertation is to develop the concept of transmission matrix of a multiple scattering medium to the more general case of a polychromatic ultra-fast pulsed light. In this dissertation we present and measure the multi-spectral transmission matrix of a complex medium. This new matrix describes the spatio-temporal coupling and the spatio-spectral coupling induced by the medium on a polycrhomatic illumination passing through it. The measurement of the multi-spectral transmission matrix allows us to control a monochromatic as well as a polychromatic source, after being scattered by the medium, in a deterministic way. We exploit this knowledge about the medium to compensate the distortions of the optical field by focusing, shaping and controlling spatially, spectrally and temporally an ultra-fast laser, thanks to the knowledge of the multi-spectral transmission matrix. This method paves the way towards many applications in the domain of imaging and light-matter interaction of light through complex media
McKee, Erik. « Femtosecond Filament Interaction as a Probe for Molecular Alignment ». Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5991.
Texte intégralM.S.
Masters
Optics and Photonics
Optics and Photonics
Optics
Lopes, Guido Nunes. « Medidas de tempos de relaxação ultra-curtos em DODCI com a técnica de eco de fótons com luz incoerente ». Universidade de São Paulo, 1989. http://www.teses.usp.br/teses/disponiveis/54/54131/tde-14102014-100721/.
Texte intégralThe photon echo with incoherent light technique (EFLI) has been used in this work for the measurement of the transverse relaxation time T2 in 3-3´-Dietiloxadicarboncyanine Iodide (DODCI) as a function of the temperature. A broad-band dye laser, pumped by the second harmonic of a Q-switched Nd+3 : YAG laser, was used in this experiment. The laser used Kiton Red 620 and rodamine 640 dyes, whose maxima output power are respectively around 598 and 610nm. The relaxation time T2 , which is inversely proportional to the homogeneous linewidth, depends on the temperature according to a T-1,9 Law. We found the value of T2 ranging from 0 to 30fs at 598nm and from 30 to 590fs at 610nm in the temperature range between 300 and 60K. The EFLI profiles can be described by means of a two-level quantum system model
Livres sur le sujet "Ultra-Fast optic"
Binh, Le Nguyen. Ultra-fast fiber lasers : Principles and applications with MATLAB models. Boca Raton : CRC Press, 2010.
Trouver le texte intégralBinh, Le Nguyen, et Nam Quoc Ngo. Ultra-Fast Fiber Lasers. Taylor & Francis Group, 2010.
Trouver le texte intégralIshikawa, Hiroshi. Ultra-Fast All-Optical Signal Processing Devices. Wiley & Sons, Limited, John, 2008.
Trouver le texte intégralBinh, Le Nguyen, et Nam Quoc Ngo. Ultra-Fast Fiber Lasers : Principles and Applications with MATLAB® Models. Taylor & Francis Group, 2018.
Trouver le texte intégralBinh, Le Nguyen, et Nam Quoc Ngo. Ultra-Fast Fiber Lasers : Principles and Applications with MATLAB® Models. Taylor & Francis Group, 2018.
Trouver le texte intégralBinh, Le Nguyen, et Nam Quoc Ngo. Ultra-Fast Fiber Lasers : Principles and Applications with MATLAB® Models. Taylor & Francis Group, 2018.
Trouver le texte intégralBinh, Le Nguyen, et Nam Quoc Ngo. Ultra-Fast Fiber Lasers : Principles and Applications with MATLAB® Models. Taylor & Francis Group, 2018.
Trouver le texte intégralBinh, Le Nguyen, et Nam Quoc Ngo. Ultra-Fast Fiber Lasers : Principles and Applications with MATLAB® Models. Taylor & Francis Group, 2018.
Trouver le texte intégralChapitres de livres sur le sujet "Ultra-Fast optic"
Glesk, Ivan, Bing C. Wang, Lei Xu, Varghese Baby et Paul R. Prucnal. « Ultra-fast all-optical switching in optical networks ». Dans Progress in Optics, 53–117. Elsevier, 2003. http://dx.doi.org/10.1016/s0079-6638(03)80004-5.
Texte intégralActes de conférences sur le sujet "Ultra-Fast optic"
Manipatruni, Sasikanth, Carl Poitras, Qianfan Xu et Michal Lipson. « Ultra fast electro-optic tuning of optical quality factor ». Dans 2008 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2008. http://dx.doi.org/10.1109/cleo.2008.4551683.
Texte intégralRicart, Glenn. « Next Generation Applications and Services for Ultra-fast Broadband ». Dans National Fiber Optic Engineers Conference. Washington, D.C. : OSA, 2013. http://dx.doi.org/10.1364/nfoec.2013.ntu3j.6.
Texte intégralLarger, Laurent, Vladimir S. Udaltsov, Stephane Poinsot, Pierre-Ambroise Lacourt, Jean-Marc Merolla et Marc Hanna. « Electro-optic nonlinear oscillator for ultra-fast secure chaos communication ». Dans European Symposium on Optics and Photonics for Defence and Security, sous la direction de Keith L. Lewis. SPIE, 2004. http://dx.doi.org/10.1117/12.578422.
Texte intégralSemenov, D. V., E. Nippolainen et A. A. Kamshilin. « Scanning ultra fast distance sensor based on acousto-optic deflection ». Dans 2006 Northern Optics. IEEE, 2006. http://dx.doi.org/10.1109/no.2006.348366.
Texte intégralFuhua, Liu, An Yuying, Wang Ping, Shao Bibo et Feng Guobin. « Development of 3GHz Analog Fiber Optic Link for Ultra-fast Signal Transmission ». Dans 2012 International Conference on Industrial Control and Electronics Engineering (ICICEE). IEEE, 2012. http://dx.doi.org/10.1109/icicee.2012.384.
Texte intégralSugimoto, R., H. Miyauchi, K. Shima, K. Himeno, H. Hosoya, Y. Horiuchi, Y. Tanaka, Y. Oikawa, N. Shiga et H. Nagaeda. « Transient Performance of Ultra-Fast AGC-EDFA in 40-channel Add/Drop Operation ». Dans National Fiber Optic Engineers Conference. Washington, D.C. : OSA, 2009. http://dx.doi.org/10.1364/nfoec.2009.jwa16.
Texte intégralGan, Zelin, Mykyta Shevchenko, Sam Nallaperuma Herzberg et Seb J. Savory. « Fast and Accurate DNN-Based Approach in Maximizing Ultra-Wideband Fiber-Optic Systems Throughput ». Dans Optical Fiber Communication Conference. Washington, D.C. : Optica Publishing Group, 2024. http://dx.doi.org/10.1364/ofc.2024.m4k.6.
Texte intégralWang, Juan, Yu Jin, Chen Zhu, Feng Gao, Yongxin Cui, Gang Cheng et Xu Zhou. « An Open Line System with Ultra-fast Protection Switching for Data Center Interconnect ». Dans Optical Fiber Communication Conference. Washington, D.C. : Optica Publishing Group, 2023. http://dx.doi.org/10.1364/ofc.2023.m1g.5.
Texte intégralYi, Xingwen, Zhaohui Li, Yuan Bao et Kun Qiu. « Ultra-fast, High-resolution, and Linear Characterization of Passive Optical Components via Optical Channel Estimation ». Dans National Fiber Optic Engineers Conference. Washington, D.C. : OSA, 2012. http://dx.doi.org/10.1364/nfoec.2012.jth2a.9.
Texte intégralAkemann, Walther, Cathie Ventalon, Jean-François Léger, Benjamin Mathieu, Stéphane Dieudonné, Baptiste Blochet, Sylvain Gigan et Laurent Bourdieu. « Ultra-fast 3D scanning and holographic illumination in non-linear microscopy using acousto-optic deflectors ». Dans SPIE Technologies and Applications of Structured Light, sous la direction de Toyohiko Yatagai, Yoshihisa Aizu, Osamu Matoba et Yasuhiro Awatsuji. SPIE, 2017. http://dx.doi.org/10.1117/12.2275143.
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