Готові списки джерел за темами / Chirped Raman laser

Добірка наукової літератури з теми "Chirped Raman laser"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Chirped Raman laser"

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Kinyaevskiy, I. O., L. V. Seleznev, A. V. Koribut, E. E. Dunaeva, Yu M. Andreev, and A. A. Ionin. "Stimulated Raman scattering of chirped Ti:Sapphire laser pulses in BaWO4 crystal." Izvestiya vysshikh uchebnykh zavedenii. Fizika, no. 11 (2021): 67–70. http://dx.doi.org/10.17223/00213411/64/11/67.

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Stimulated Raman scattering of chirped Ti:Sapphire laser pulses in BaWO4 crystal A spectrum transformation of a chirped Ti:sapphire laser pulse stretched to 0.2 ns (with initial transform limited pulse duration of 90 fs) was experimentally studied in a tandem of BaWO4 crystals. To increase stimulated Raman scattering efficiency, broadband laser emission was used as a seed of this process. Efficiency of the Stokes component generation corresponding to the BaWO4 crystal phonon mode ν1(Ag)≈925 cm-1 reached ~ 10%. Generation of the Stokes component corresponding to the weaker phonon mode ν3(Eg)≈795 cm-1, and second Stokes components of ν1(Ag) and ν3(Eg) modes were also observed. Mechanisms reducing the stimulated Raman scattering efficiency for the ν1(Ag) mode are discussed.
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Schroeder, C. B., E. Esarey, B. A. Shadwick, and W. P. Leemans. "Raman forward scattering of chirped laser pulses." Physics of Plasmas 10, no. 1 (January 2003): 285–95. http://dx.doi.org/10.1063/1.1528901.

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Lanin, A. A., E. A. Stepanov, R. A. Tikhonov, D. A. Sidorov-Biryukov, A. B. Fedotov, and A. M. Zheltikov. "Multimodal nonlinear Raman microspectroscopy with ultrashort chirped laser pulses." JETP Letters 101, no. 9 (May 2015): 593–97. http://dx.doi.org/10.1134/s002136401509009x.

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Tian, Xin, Chenhui Gao, Chongwei Wang, Xiaofan Zhao, Meng Wang, Xiaoming Xi, and Zefeng Wang. "2.58 kW Narrow Linewidth Fiber Laser Based on a Compact Structure with a Chirped and Tilted Fiber Bragg Grating for Raman Suppression." Photonics 8, no. 12 (November 25, 2021): 532. http://dx.doi.org/10.3390/photonics8120532.

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Анотація:
We report a high power, narrow linewidth fiber laser based on oscillator one-stage power amplification configuration. A fiber oscillator with a center wavelength of 1080 nm is used as the seed, which is based on a high reflection fiber Bragg grating (FBG) and an output coupling FBG of narrow reflection bandwidth. The amplifier stage adopted counter pumping. By optimizing the seed and amplifier properties, an output laser power of 2276 W was obtained with a slope efficiency of 80.3%, a 3 dB linewidth of 0.54 nm and a signal to Raman ratio of 32 dB, however, the transverse mode instability (TMI) began to occur. For further increasing the laser power, a high-power chirped and tilted FBG (CTFBG) was inserted between the backward combiner and the output passive fiber, experimental results showed that both the threshold of Stimulated Raman scattering (SRS) and TMI increased. The maximum laser power was improved to 2576 W with a signal to Raman ratio of 42 dB, a slope efficiency of 77.1%, and a 3 dB linewidth of 0.87 nm. No TMI was observed and the beam quality factor M2 maintained about 1.6. This work could provide a useful reference for obtaining narrow-linewidth high-power fiber lasers with high signal to Raman ratio.
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Dodd, Evan S., and Donald Umstadter. "Coherent control of stimulated Raman scattering using chirped laser pulses." Physics of Plasmas 8, no. 8 (August 2001): 3531–34. http://dx.doi.org/10.1063/1.1382820.

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Sanders, James C., Rafal Zgadzaj, and Michael C. Downer. "Terawatt chirped pulse Raman amplified laser for two-color experiments." Optical Engineering 59, no. 07 (July 20, 2020): 1. http://dx.doi.org/10.1117/1.oe.59.7.076110.

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7

Kinyaevskiy, I. O., L. V. Seleznev, A. V. Koribut, E. E. Dunaeva, Yu M. Andreev, and A. A. Ionin. "Stimulated Raman Scattering of Chirped Ti:Sapphire Laser Pulses in BaWO4 Crystal." Russian Physics Journal 64, no. 11 (March 2022): 2058–61. http://dx.doi.org/10.1007/s11182-022-02555-y.

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Grigsby, Franklin B., Peng Dong, and Michael C. Downer. "Chirped-pulse Raman amplification for two-color, high-intensity laser experiments." Journal of the Optical Society of America B 25, no. 3 (February 20, 2008): 346. http://dx.doi.org/10.1364/josab.25.000346.

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Légaré, F., S. Chelkowski, and A. D. Bandrauk. "Laser pulse control of Raman processes by chirped non-adiabatic passage." Journal of Raman Spectroscopy 31, no. 1-2 (January 2000): 15–23. http://dx.doi.org/10.1002/(sici)1097-4555(200001/02)31:1/2<15::aid-jrs495>3.0.co;2-a.

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Ning, G., P. Shum, J. Q. Zhou, and L. Xia. "Multiwavelength Raman fiber laser inserting a sampled chirped fiber Bragg grating." Microwave and Optical Technology Letters 49, no. 9 (2007): 2242–45. http://dx.doi.org/10.1002/mop.22652.

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Дисертації з теми "Chirped Raman laser"

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Grigsby, Franklin Bhogaraju. "Chirped pulse raman amplifier." Thesis, 2009. http://hdl.handle.net/2152/ETD-UT-2009-12-600.

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All modern terawatt- and petawatt-class laser systems are based on the principle of chirped-pulse amplification (CPA). In this work, a compact subsystem that shifts a micro-joule portion of the chirped pulse energy to a new wavelength outside its original bandwidth, then amplifies it to millijoule energy without adding pump lasers, and without compromising the output of the fundamental CPA system in any significant way, has been developed and integrated into a standard terawatt-class CPA system. In this chirped pulse Raman amplifier sub-system, a 30 mJ portion of a chirped 800 nm fundamental pulse within the CPA system was split into two unequal portions, each of which impinged on a Raman-active barium nitrate, or Ba(NO3)2, crystal of length 5 cm. The weaker portion created a weak (15 J) first Stokes pulse (873 nm) by Stimulated Raman Scattering (SRS) in the first crystal, which then seeded a non-collinear four-wave-mixing process driven by the stronger portion of the split-off CPA pulse in the second crystal. The latter process amplified the first Stokes seed pulse to several millijoules with excellent beam quality. A study of Raman gain as a function of time delay between pump and Stokes pulse in the second crystal revealed a sharply peaked narrow interval ( 3 ps FWHM) of high gain and a wider interval ( 50 ps) of low gain. The amplified, chirped first Stokes pulse was successfully compressed to 100 fs duration using a grating pair of different line density than in the main CPA system, based on a comprehensive dispersion analysis of the optical path of the first Stokes pulse. The possibility of generating higher-order Stokes and anti-Stokes sidebands of the CPA pulse is also demonstrated. Further amplification of the sideband pulse by conventional methods, using an additional pump laser, appears straightforward. The chirped pulse Raman amplifier provides temporally synchronized fundamental and Raman sideband pulses for performing two-color, high-intensity laser experiments, some of which are briefly discussed. It can be integrated into any standard CPA system, and provides significant new versatility for high-intensity laser sources.
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Sanders, James Christopher. "Terawatt Raman laser system for two-color laser plasma interactions." Thesis, 2014. http://hdl.handle.net/2152/26001.

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Анотація:
In some high-field laser-plasma experiments, it is advantageous to accompany the main high-energy (~1 J) laser with a second high-energy pulse (~0.1 J) which has been frequency-shifted by ~10-20%. Such a pulse-pair would have a low walk-off velocity while remaining spectrally distinct for use in two-color pump-probe experiments. Moreover, by shifting the second pulse by ~plasma frequency, it is theoretically possible to exercise some amount of control over a variety of laser-plasma instabilities, including forward Raman scattering, electromagnetic cascading, and relativistic self-focusing. Alternatively, the two pulses may be counter-propagated so that the collide in the plasma and create a slowly-propagating beatwave which can be used to inject electrons into a laser wakefield accelerator. The design, characeterization, and performance of a hybrid chirped-pulse Raman amplifier (CPRA)/Ti-Sapphire amplifier are reported and discussed. This hybrid system allows for the generation of a high-energy (>200 mJ), broadband (15-20 nm bandwidth FWHM), short duration (>100 fs duration) laser sideband. When amplified and compressed, the Raman beam's power exceeds 1 TW. This sideband is combined with the primary laser system to create a bi-color terawatt laser system which is capable of performing two-color high-field experiments. This two-color capability can be added to any commercial terawatt laser system without compromising the energy, duration or beam quality of the primary system. Preliminary two-color laser-plasma experiments are also discussed.
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Частини книг з теми "Chirped Raman laser"

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Dong, Peng, Franklin Grigsby, and Mike Downer. "Chirped-pulse Raman amplification for two-color high-intensity laser experiments." In Springer Series in Chemical Physics, 780–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-95946-5_253.

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Tani, Masahiko, Masakazu Hibi, Kohji Yamamoto, Mariko Yamaguchi, Elmer S., Christopher T., and Masanori Hangyo. "Low-Frequency Coherent Raman Spectroscopy Using Spectral-Focusing of Chirped Laser Pulses." In Vibrational Spectroscopy. InTech, 2012. http://dx.doi.org/10.5772/32734.

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Тези доповідей конференцій з теми "Chirped Raman laser"

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Kotru, Krish, David L. Butts, Joseph M. Kinast, David M. Johnson, Brian P. Timmons, Antonije M. Radojevic, and Richard E. Stoner. "Atom Interferometry via Raman Chirped Adiabatic Passage." In Quantum Electronics and Laser Science Conference. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/qels.2012.qf2e.4.

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Schroeder, C. B. "Raman Forward Scattering of High-Intensity Chirped Laser Pulses." In ADVANCED ACCELERATOR CONCEPTS: Tenth Workshop. AIP, 2002. http://dx.doi.org/10.1063/1.1524929.

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3

Lin, Weixuan, Maxime Desjardins-Carrière, Victor Lambin Iezzi, André Vincelette, and Martin Rochette. "Experimental Optimization of a High Power Fiber Laser With Raman Filter." In CLEO: Science and Innovations. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_si.2022.sm2l.7.

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We study the impact of inserting a chirped and tilted fiber B ragg grating in between variable lengths of oscillator and amplifier stage of a high-power fiber laser, reaching up to 2 kW in output power.
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Im, Young-Eun, Kyungwon Chun, Hangeul Kim, Swook Hann, Dong-Hwan Kim, Youngjoo Chung, and Chang-Soo Park. "Demonstration of stable raman fibre laser with asymmetrical laser cavity including broadband chirped FBG." In 20th International Conference on Optical Fibre Sensors, edited by Julian D. C. Jones. SPIE, 2009. http://dx.doi.org/10.1117/12.835357.

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Legros, S., M. Caceres, B. Barviau, and F. Grisch. "Chirp-probe-pulse femtosecond coherent anti-Stokes Raman scattering for gas-phase temperature measurements: Application to high-pressure kerosene/air combustion." In Laser Applications to Chemical, Security and Environmental Analysis. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/lacsea.2022.lth3e.2.

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Анотація:
This paper illustrates the use of chirped-probe-pulse fs-CARS thermometry in combination with a high-pressure optical test rig for lean-burn combustor development. Temperature measurements were performed at 1 kHz in kerosene/air combustion at 0.75 MPa.
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Fedorenko, Aleksander Yu, Ilya О.Orekhov, Stanislav G. Sazonkin, Dmitriy A. Dvoretskiy, Lev K. Denisov, and Valeriy E. Karasik. "Erbium-doped Chirped Pulse All-fiber Laser for Raman Distributed Temperature Sensor." In Frontiers in Optics. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/fio.2021.jtu1a.89.

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Ososkov, Yan, Anton Chernutsky, Dmitriy Dvoretskiy, Stanislav Sazonkin, Ilya Orekhov, Lev Denisov, Alexey Pnev, and Valeriy Karasik. "Chirped-pulse erbium-doped all-fiber ultrashort pulse laser for a fiber optic Raman distributed temperature sensor." In XIV International Conference on Pulsed Lasers and Laser Applications (AMPL-2019), edited by Anton V. Klimkin, Victor F. Tarasenko, and Maxim V. Trigub. SPIE, 2019. http://dx.doi.org/10.1117/12.2548291.

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Kinnius, Paul J., Robert P. Lucht, Sukesh Roy, and James R. Gord. "Theory of Single-Pulse Femtosecond Coherent Anti-Stokes Raman Scattering Using a Chirped Probe Beam." In Laser Applications to Chemical, Security and Environmental Analysis. Washington, D.C.: OSA, 2008. http://dx.doi.org/10.1364/lacsea.2008.lwa2.

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Sandor, Nora, and Gagik P. Djotyan. "Propagation of Raman-resonant frequency chirped laser pulses in a medium of lambda-atoms." In SPIE Optics + Optoelectronics, edited by Roman Sobolewski and Jaromír Fiurásek. SPIE, 2013. http://dx.doi.org/10.1117/12.2017217.

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Richardson, Daniel R., Robert P. Lucht, Waruna D. Kulatilaka, Sukesh Roy, and James R. Gord. "Theory of Chirped-Probe Pulse Single-Shot Femtosecond Coherent Anti-Stokes Raman Scattering Thermometry in Flames at 1000 Hz." In Laser Applications to Chemical, Security and Environmental Analysis. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/lacsea.2010.ltub5.

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