Academic literature on the topic 'Passive Q-switch'
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Journal articles on the topic "Passive Q-switch"
Fedin, A. V., A. V. Rulev, and T. T. Basiev. "Dynamic-cavity passive Q-switch Nd-glass laser." Technical Physics Letters 26, no. 7 (July 2000): 576–78. http://dx.doi.org/10.1134/1.1262918.
Full textChen, Junewen, Hon-Fai Yau, Hai-Pei Liu, Tzu-Chiang Chen, Chiao-Chia Cheng, and Fa-Min Liu. "Passive Q-switch and mode-locking modulators for lasers." Optics & Laser Technology 32, no. 4 (June 2000): 215–19. http://dx.doi.org/10.1016/s0030-3992(00)00029-3.
Full textYong, Wan, Zhu Da-Yong, Zeng Qin-Yong, Zhang Zhi-Yong, Zhang Jing, and Han Kai. "Brewster-oriented passive Q-switch intracavity optical parametric oscillator." Chinese Physics 14, no. 4 (March 17, 2005): 714–19. http://dx.doi.org/10.1088/1009-1963/14/4/013.
Full textChen, Junewen, and Jun-Nan Chen. "Five Simultaneously Q-Switch Mode-Locked Passive Laser Modulators." Optical Review 13, no. 6 (November 2006): 427–35. http://dx.doi.org/10.1007/s10043-006-0427-5.
Full textBorisov, Vasily Ivanovich, Elena Valeryevna Timoschenko, and Yuri Vladimirovich Yurevich. "PULSE LASING DUE TO RESONANT FILM PASSIVE Q-SWITCH." Вестник Белорусско-Российского университета, no. 3 (2014): 96–104. http://dx.doi.org/10.53078/20778481_2014_3_96.
Full textKuo, Yen‐Kuang, Yang Yang, and Milton Birnbaum. "Cr4+:Gd3Sc2Ga3O12 passive Q‐switch for the Cr3+:LiCaAlF6 laser." Applied Physics Letters 64, no. 18 (May 2, 1994): 2329–31. http://dx.doi.org/10.1063/1.111630.
Full textChaika, M. А., A. G. Doroshenko, S. V. Parkhomenko, E. G. Chernomorets, P. V. Mateichenko, and R. P. Yavetskiy. "Synthesis of optical Me2+,Cr4+:YAG ceramics for passive Q-switch." Scientific research on refractories and technical ceramics 117 (July 11, 2017): 196–211. http://dx.doi.org/10.35857/2663-3566.117.19.
Full textMalyarevich, A. M., I. A. Denisov, K. V. Yumashev, V. P. Mikhailov, R. S. Conroy, and B. D. Sinclair. "V:YAG - a new passive Q-switch for diode-pumped solid-state lasers." Applied Physics B: Lasers and Optics 67, no. 5 (November 1, 1998): 555–58. http://dx.doi.org/10.1007/s003400050544.
Full textWu, Yu Song, Jiang Li, Yu Bai Pan, Jing Kun Guo, and Qian Liu. "Refine Yttria Powder and Fabrication of Transparent Yb,Cr:YAG Ceramics." Advanced Materials Research 15-17 (February 2006): 246–50. http://dx.doi.org/10.4028/www.scientific.net/amr.15-17.246.
Full textMa, Mengyuan, Wen Wen, Yao Zhang, Chenxi Dou, Junli Wang, Liming Xie, Ching-Hwa Ho, and Zhiyi Wei. "Few-layer ReS2(1−x)Se2x nanoflakes for noise-like pulse generation in a mode-locked ytterbium-doped fiber laser." Journal of Materials Chemistry C 7, no. 23 (2019): 6900–6904. http://dx.doi.org/10.1039/c9tc00625g.
Full textDissertations / Theses on the topic "Passive Q-switch"
Aubourg, Adrien. "Sources laser à fibre cristalline YAG dopée erbium et pompée par diode." Thesis, Palaiseau, Institut d'optique théorique et appliquée, 2014. http://www.theses.fr/2014IOTA0008/document.
Full textAmong the several applications of laser sources, some requires kilometers range propagation in the atmosphere : telemetry, guidance system or active imagery. High pulse energy improves the range of the system, but may cause permanent blindness to an observer's eyes. Hence, these applications must use laser beam which wavelength are located in the eye-safe region, ideally at the local minimum of the atmosphere absorption (1550-1650 nm). Such laser sources are already commercially available, but are not suited for the demanding military needs : compacity, electrical consumption, performance and large operating temperature range (-40°C/+60°C).My work aims to develop a laser source filling these specifications. Thanks to the collaboration with the industrial partners Fibercryst and Cilas, it focuses on the design of a compact, efficient, directly diode-pumped Er3+:YAG single cristal fiber laser for military applications.With a homemade numerical simulation of a passively Q-switched Er3+:YAG laser source, many laser emitters are experimentally designed and compared. Further studies around saturable absorbers allowed sensible improvements of the output pulse energy.This work, whose results may already be commercially interesting, may lead to new technics and architectures of erbium doped solid-state laser for better prototypes
Phelps, Charles Dustin. "Diode-Pumped, 2-Micron, Q-Switched Tm:YAG Microchip Laser." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1304695817.
Full textLu, Min. "Performance of continuously pumped, passively Q-switched, solid state lasers." Thesis, University of Sussex, 2011. http://sro.sussex.ac.uk/id/eprint/6953/.
Full textSerres, Serres Josep Maria. "Continuous-wave and passively Q-switched solid-state microchip lasers in the near-infrared." Doctoral thesis, Universitat Rovira i Virgili, 2017. http://hdl.handle.net/10803/460758.
Full textEste trabajo trata de la caracterización de láseres compactos de estado sólido, con primer enfoque, el estudio del concepto microchip aplicado al láser en varios huéspedes cristalinos dopados con tierras raras. Se reporta los resultados sobre el estudio del efecto de la thermal lens, necesario para la obtención de láser con esta configuración, así como para el funcionamiento láser en continuo y pulsado utilizando la técnica Q-switch. En los experimentos, el concepto microchip se define como una cavidad láser casi monolítica. Este concepto se estudia para diferentes emisiones de láser a ~1.06 m de los iones Yb3+ y Nd3+, a ~1,3 m de Nd3+, a ~1,95 m de Tm3+ hay ~2.05 m del ion Ho3+. En régimen de onda continua se examina detalladamente para los iones de lantánidos trivalentes mencionados en varios huéspedes cristalinos con el objetivo de comparar el potencial de cada material. En este trabajo, se demuestran eficiencias muy cercanas al límite teórico. Por otra parte, también se presentan láseres pulsados de estado sólido con la configuración microchip con varios absorbedores saturables. Con este propósito, se utilizan como absorbedores saturables nuevos nanomateriales como el MoS2, nano-estructuras de carbono (SWCNT, el grafeno de una y de varias capas) y un SESA. Además, el más convencional Cr:YAG (~1.06 m) y el Cr:ZnS (~1.9 m) se examinan para comparar sus rendimientos
This work deals with the characterization of compact solid state lasers, as a first approach to the study of the microchip laser concept applied to several rare earth-doped crystalline hosts. The results on the study of the thermal lens, required for the microchip laser operation as well as the continuous wave and passive Q-switched laser operation in microchip configuration are reported. In the experiments, the microchip concept is defined as a quasi-monolithic laser cavity. Such a concept is studied for different laser emissions at ~1.06 μm from Yb3+ and Nd3+ ions, at ~1.3 μm from Nd3+, at ~1.95 μm from Tm3+ and at ~2.05 μm from Ho3+. The continuous wave regime is examined in detail for the above mentioned trivalent lanthanide ions embedded in several crystalline hosts with the aim to compare the potential of each gain material. Slope efficiencies very close to the theoretical limit are demonstrated in this work. On the other hand, microchip solid state lasers passively Q-switched with several saturable absorbers are also presented. For this purpose, novel nanomaterials such as MoS2, carbon nanostructures (SWCNTs, single- and multilayer graphene) and a SESA are used as saturable absorbers. Besides, the most conventional Cr:YAG (~1.06 μm) and Cr:ZnS (~1.9 μm) are examined to compare their performance.
Mercer, Colin. "Development of a Diode Laser Pumped Passively Q-Switched Laser Source for Range-Finding and Designating." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.508559.
Full textSegura, Sarmiento Martha Yamile. "Monoclinic tm:klu(w04)2: a new crystal for efficient diode-pumped continuous-wave and q-switched lasers." Doctoral thesis, Universitat Rovira i Virgili, 2012. http://hdl.handle.net/10803/80852.
Full textMonoclinic potassium lutetium double tungstate KLu(WO4)2 is established as new laser host for Tm, Yb and Ho active ions due to (i) its very high values of absorption and emission cross sections (ii) its relatively large Lu-Lu distances allowing high ion concentration with minimum fluorescence quenching effects and (iii) the long lifetime of the upper laser level ensuring high energy storage. These characteristics are exploited in this work using Tm as active ion to generate laser emission at 1.94 µm. The local maximum of water absorption at this wavelength makes this laser interesting for medical and atmospheric applications. Polarization switching, dual-wavelength operation, vibronic laser, thin-disk laser design, passive Q-switching and the laser-tissue interaction of the 1.94 µm Tm:KLu(WO4)2 laser are demonstrated in this work
El, bassri Farid. "Sources lasers déclenchées nanosecondes : Applications à la spectroscopie Raman cohérente sous champ électrique." Thesis, Limoges, 2014. http://www.theses.fr/2014LIMO0060/document.
Full textThanks to their compactness, robustness and low cost, pulsed nanosecond microlasers are particularly attractive sources for different detection and analysis systems, particularly flow cytometers or devices for CARS (Coherent Anti Raman Stokes Scattering) spectroscopy. However, these applications require reduced time jitter and increased repetition rate. The first part of this thesis proposes novel solutions to achieve the required performance from passively Q-switched microlasers, which are based on an hybrid coupled-cavity and intensitymodulated pump wave. A repetition rate greater than 30 kHz with jitter remaining lower than 200 ns is reached. Pulsed fiber microlasers operating by gain switching are also studied, showing that pulses with low timing jitter, at a repetition rate of more than 2 MHz can be obtained. The last part is devoted to the development and the implementation of a new system of CARS spectroscopy assisted by a high-voltage electrical stimulation. This device, based on an amplified microlaser, allows to substract the non-resonant background noise in the measurements. Thus, a fine spectroscopic analysis of the response of different environments of interest in continuous or pulsed field can be achieved. It may lead to a new method for field microdosimetry. Various applications, including granulometry at the micro or nanometric scale and the identification of markers for biology, are shown
Lavastre, Eric. "Déclenchement des microlasers solides émettant à 1,55 µm par un dispositif à semiconducteur." Université Joseph Fourier (Grenoble ; 1971-2015), 1998. http://www.theses.fr/1998GRE10173.
Full textLin, Yao-chun, and 林耀群. "Use of GaAs as a passive Q-switch as well as an output coupler for diode-pumped Nd:YVO4 lasers." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/93917818462083697801.
Full text國防大學中正理工學院
應用物理研究所
94
In this paper, we investigate an all-solid-state passive Q-switched Nd:YVO4 laser system. Q-switching operation is very common and important for diode-pumped solid-state lasers. And in recent years, Q-switched lasers have been used in many fields, such as nonlinear optics, range finding, medicine, and micromachining, etc. In this experiment, we use GaAs wafer as an important element for passive Q-switching. The GaAs wafer, which works as an saturable absorber, was used as the Q-switch in the laser system. Moreover, GaAs wafer also acts as an anti-resonant Fabry-Perot resonantor, so we use it as an output coupler. Its reflectance is 73.5%, and its transmittance is 26.5%. We use two gain media with different lengths. One is 6 mm, and the other is 3 mm. The results of this experiment are as follows: The cavity length is adjustable from 8 mm to 17 mm;the shotest pulse width is 7 ns;its photon lifetime is about 0.33 ns;the highest peak power is 314 W;the highest repetition rate is about 1.7 MHz;its pulse energy is up to 2.2 μJ.
Tsai, LingYi, and 蔡玲意. "Passively Q-switched intracavity optical parametric oscillator." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/85773595800845068740.
Full text國立交通大學
電子物理系所
93
Extremely short (1.6 ns) high-peak-power (> 10 kW) pulses of lasers at the eye-safe wavelength region about 1.5 �慆 are obtained by intracavity optical parametric oscillators (OPOs). We demonstrated a compact efficient eye-safe OPO pumped by a diode-pumped passively Q-switched Nd:GdVO4 laser to produce peak powers at 1571 nm higher than 20 kW with pulse widths of 0.7ns . On the other hand, we overcome the instablility in the IOPO by using two-mirror structure .At the same time, we raise the pulse energy to 1.5 times. Due to its stability, we try to apply the two-mirror structure to tune wavelengths by temperature. As a result, we can get the curve slope about 0.4nm/0C. By the way, using Nd:Gd0.7Y0.3VO4 crystals may get 3 times the pulse energy by using Nd:YVO4 crystals and 1.8 times the pulse energy by using Nd:GdVO4 crystals.
Book chapters on the topic "Passive Q-switch"
Lucianetti, A., N. G. Muller, R. Weber, H. P. Weber, A. Papashvili, V. A. Konyushkin, and T. T. Basiev. "Highly Efficient High-Average Power Nd:YAG Laser with a Passive Q-Switch." In Optical Resonators — Science and Engineering, 407–17. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2486-9_25.
Full textLorenz, Sebastian, Mark Bärwinkel, Wolfgang Mühlbauer, and Dieter Brüggemann. "Pulse Train Ignition with Passively Q-Switched Laser Spark Plugs Under Engine-like Conditions." In Ignition Systems for Gasoline Engines, 254–59. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45504-4_15.
Full textZayhowski, J. J. "Passively Q-Switched Microchip Lasers." In Solid-State Lasers and Applications, 1–76. CRC Press, 2017. http://dx.doi.org/10.1201/9781420005295-1.
Full textZayhowski, J. "Passively Q-Switched Microchip Lasers." In Optical Science and Engineering, 1–75. CRC Press, 2006. http://dx.doi.org/10.1201/9781420005295.ch1.
Full textLncrnjan, I., R. Savastru, D. Savastru, and S. Miclo. "Numerical Simulation of Passively Q-Switched Solid State Lasers." In Numerical Simulation - From Theory to Industry. InTech, 2012. http://dx.doi.org/10.5772/47812.
Full textIsmail, Mohd Afiq, Sulaiman Wadi Harun, Harith Ahmad, and Mukul Chandra Paul. "Passive Q-switched and Mode-locked Fiber Lasers Using Carbon-based Saturable Absorbers." In Fiber Laser. InTech, 2016. http://dx.doi.org/10.5772/61703.
Full textDong, Jun, Ken-ichi Ueda, Hideki Yagi, and Alexander A. "Concentration-Dependent Laser Performance of Yb:YAG Ceramics and Passively Q-switched Yb:YAG/Cr,Ca:YAG Lasers." In Advances in Solid State Lasers Development and Applications. InTech, 2010. http://dx.doi.org/10.5772/7943.
Full textConference papers on the topic "Passive Q-switch"
Wu, Sheng. "Accurate timing of passive Q-switch lasers." In Defense and Security Symposium, edited by Gary L. Wood and Mark A. Dubinskii. SPIE, 2006. http://dx.doi.org/10.1117/12.663684.
Full textStone-Sundberg, Jennifer L., Milan R. Kokta, Narasimha S. Prasad, and Ramesh K. Shori. "Novel non-stoichiometric Co2+: spinel passive Q-switch." In Lasers and Applications in Science and Engineering, edited by Hanna J. Hoffman and Ramesh K. Shori. SPIE, 2005. http://dx.doi.org/10.1117/12.623235.
Full textKlimov, L. V., I. A. Shcherbakov, and V. B. Tsvetkov. "Cr4+:YSGG-Passive Q-Switch for Multispikes Nd-Lasers." In Advanced Solid State Lasers. Washington, D.C.: OSA, 1993. http://dx.doi.org/10.1364/assl.1993.tl9.
Full textChen, Junewen. "Five simultaneously Q-switch mode-locked passive laser modulators." In Lasers and Applications in Science and Engineering, edited by Hanna J. Hoffman, Ramesh K. Shori, and Norman Hodgson. SPIE, 2007. http://dx.doi.org/10.1117/12.697522.
Full textSulc, J., H. Jelinkova, K. Nejezchleb, and V. Skoda. "Saturation anisotropy in V:YAG passive Q-switch at 1338 nm." In 11th European Quantum Electronics Conference (CLEO/EQEC). IEEE, 2009. http://dx.doi.org/10.1109/cleoe-eqec.2009.5194746.
Full textSmillie, M. W., M. Silver, and S. T. Lee. "Passive Q-switch materials for diode pumped Nd:YAG laser systems." In 2013 High Power Diode Lasers and Systems Conference (HPD). IEEE, 2013. http://dx.doi.org/10.1109/hpd.2013.6706601.
Full textSirota, Marina, Ehud Galun, Vladimir Krupkin, Alexander Glushko, Ariel Kigel, Maya Brumer, Aldona Sashchiuk, L. Amirav, and Efrat Lifshitz. "IV-VI semiconductor nanocrystals for passive Q-switch in IR." In Optical Science and Technology, the SPIE 49th Annual Meeting, edited by David L. Andrews, Guozhong Z. Cao, and Zeno Gaburro. SPIE, 2004. http://dx.doi.org/10.1117/12.559416.
Full textConroy, R. S., A. M. Malyarevich, A. J. Kemp, G. J. Friel, V. P. Mikhailov, and B. D. Sinclair. "V:YAG as passive Q-switch at 1342 nm and 1064 nm." In Technical Digest Summaries of papers presented at the Conference on Lasers and Electro-Optics Conference Edition. 1998 Technical Digest Series, Vol.6. IEEE, 1998. http://dx.doi.org/10.1109/cleo.1998.676026.
Full textAndrauskas, Donna M., and Chandler Kennedy. "Tetravalent Chromium Solid-State Passive Q Switch for Nd:YAG Laser Systems." In Advanced Solid State Lasers. Washington, D.C.: OSA, 1991. http://dx.doi.org/10.1364/assl.1991.mt12.
Full textStephen, M. A., Joseph L. Dallas, and Robert S. Afzal. "Multibillion shot high-influence exposure of Cr4+:YAG passive Q-switch." In Laser-Induced Damage in Optical Materials: 1997, edited by Gregory J. Exarhos, Arthur H. Guenther, Mark R. Kozlowski, and M. J. Soileau. SPIE, 1998. http://dx.doi.org/10.1117/12.307020.
Full textReports on the topic "Passive Q-switch"
Zayhowski, John J., Colby Dill, Cook III, Daneu Chris, and John L. Mid- and High-Power Passively Q-Switched Microchip Lasers. Fort Belvoir, VA: Defense Technical Information Center, January 1999. http://dx.doi.org/10.21236/ada373717.
Full textZameroski, Nathan D., Michael Clement Wanke, and David J. Bossert. Cavity length dependence of mode beating in passively Q-switched Nd-solid state lasers. Office of Scientific and Technical Information (OSTI), July 2012. http://dx.doi.org/10.2172/1055620.
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