Results 21 to 30 of about 30,402 (331)

High-order-mode Brillouin random fiber laser based on distributed Rayleigh scattering in all-few mode fiber half-open cavity [PDF]

Results in Physics
A high-order-mode (HOM) Brillouin random fiber laser (BRFL) based on distributed Rayleigh scattering in an all-few-mode fiber random cavity is proposed and experimentally demonstrated.
Zizhou Wei, Liang Zhang, Yichun Li, Wei Chen, Han Wang, Mengshi Zhu, Xianglong Zeng, Fufei Pang, Tingyun Wang   +8 more
doaj   +2 more sources

Tunable Erbium-Doped Fiber Laser Based on Random Distributed Feedback [PDF]

IEEE Photonics Journal, 2014
A tunable erbium-doped fiber (EDF) laser based on random distributed feedback through backward Rayleigh scattering in a 20-km-long single-mode fiber and a tunable fiber Fabry-Perot interferometer filter is demonstrated.
Lulu Wang, Xinyong Dong, Perry Ping Shum, Haibin Su   +3 more
doaj   +2 more sources

A 2 kW fully open cavity random Raman fiber laser employing tapered fiber [PDF]

High Power Laser Science and Engineering
Recent advancements in random distributed feedback Raman fiber lasers have promoted random Raman fiber lasers (RRFLs) as a novel laser source with significant progress.
Xiangming Meng, Jinming Wu, Xiao Chen, Hanwei Zhang, Wang Peng, Hanshuo Wu, Xiaoming Xi, Zhiyong Pan, Xiaolin Wang, Jinbao Chen   +9 more
doaj   +2 more sources

Sub-kHz high-order mode Brillouin random fiber laser based on long-period fiber grating and distributed Rayleigh scattering in a half-open linear cavity.

Optics Express, 2023
We demonstrate a narrow-linewidth high-order-mode (HOM) Brillouin random fiber laser (BRFL) based on a long-period fiber grating (LPFG) and distributed Rayleigh random feedback in a half-open linear cavity.
L. Zhang, Zizhou Wei, Yichun Li, Haozhe Shou, Han Wang, Mengshi Zhu, Xianglong Zeng, Wei Chen, F. Pang, Tingyun Wang   +9 more
semanticscholar   +1 more source

Random Laser Based on Ytterbium-Doped Fiber with a Bragg Grating Array as the Source of Continuous-Wave 976 nm Wavelength Radiation

Photonics, 2022
A random narrow-linewidth lasing at a wavelength of 976 nm was obtained in an ytterbium-doped germanophosphosilicate fiber with an array of weakly reflecting fiber Bragg gratings (FBGs). A random laser cavity was formed by implementing the standard phase
Andrey Rybaltovsky, Sergei Popov, Dmitry Ryakhovskiy, Alexey Abramov, Andrey Umnikov, Oleg Medvedkov, Viktor Voloshin, Alexander Kolosovskii, Igor Vorob’ev, Yuriy Chamorovskiy, Denis Lipatov   +10 more
doaj   +1 more source

A random Q-switched fiber laser [PDF]

Scientific Reports, 2015
AbstractExtensive studies have been performed on random lasers in which multiple-scattering feedback is used to generate coherent emission. Q-switching and mode-locking are well-known routes for achieving high peak power output in conventional lasers.
Yulong Tang, Jianqiu Xu
openaire   +2 more sources

Ultrafast Laser Processing of Optical Fibers for Sensing Applications

Sensors, 2021
A review of recent progress in the use of infrared femtosecond lasers to fabricate optical fiber sensors that incorporate fiber Bragg gratings (FBG) and random fiber gratings (RFG) is presented.
Stephen J. Mihailov, Cyril Hnatovsky, Nurmemet Abdukerim, Robert B. Walker, Ping Lu, Yanping Xu, Xiaoyi Bao, Huimin Ding, Manny De Silva, David Coulas, Dan Grobnic   +10 more
doaj   +1 more source

Generation of 1.3/1.4 µm random fiber laser by bismuth-doped phosphosilicate fiber

Chinese Optics Letters (COL), 2023
We have successfully generated a 1.3/1.4 μ m random fiber laser (RFL) using bismuth (Bi)-doped phosphosilicate fiber. The Bi-doped RFL has shown excellent long-term operational stability with a standard deviation of approximately 0.34% over 1 h at a ...
Hang Wang, Wencheng Jia, Yongjia Yao, Xinyun Yang, M. Melkumov, S. Firstov, A. Lobanov, Zhipeng Dong, Zhengqian Luo   +8 more
semanticscholar   +1 more source

High Efficient Random Laser with Cavity Based on the Erbium-Doped Germanophosphosilicate Artificial Rayleigh Fiber

Photonics, 2023
The Erbium “random” laser, based on the artificial Rayleigh fiber, has been comparatively studied in detail under two different pump conditions: 974.5 and 1485 nm pumping wavelengths.
Sergei Popov, Andrey Rybaltovsky, Alexei Bazakutsa, Alexander Smirnov, Dmitry Ryakhovskiy, Viktor Voloshin, Alexander Kolosovskii, Igor Vorob’ev, Viktor Isaev, Yuriy Chamorovskiy, Denis Lipatov, Oleg Butov   +11 more
doaj   +1 more source

Comparative Study of Ultra-Narrow-Mode Generation in Random Fiber Lasers Based on Different Fiber Types

Photonics, 2023
We studied the properties of ultra-narrow spectral modes, appearing in random distributed feedback Raman fiber lasers, for different fibers building up a laser cavity.
Ilya D. Vatnik, Oleg A. Gorbunov, Dmitry V. Churkin   +2 more
doaj   +1 more source