Results 1 to 10 of about 28,569 (118)

Hybrid Raman-erbium random fiber laser with a half open cavity assisted by artificially controlled backscattering fiber reflectors [PDF]

Scientific Reports, 2021
A hybrid Raman-erbium random fiber laser with a half-open cavity assisted by chirped artificially controlled backscattering fiber reflectors is presented.
R. A. Perez-Herrera, P. Roldan-Varona, M. Galarza, S. Sañudo-Lasagabaster, L. Rodriguez-Cobo, J. M. Lopez-Higuera, M. Lopez-Amo   +6 more
doaj   +2 more sources

Tunable Random Fiber Laser Based on Dual-Grating Structure

Photonics, 2023
In order to reduce the pumping threshold and achieve a short-cavity single-mode transmission with a narrow-linewidth random fiber laser, we propose a tunable random fiber laser based on the combination of random grating and highly reflective fiber Bragg ...
Yanan Niu, Pinggang Jia, Jianhui Su, Jingyi Wang, Guowen An, Qianyu Ren, Jijun Xiong   +6 more
doaj   +3 more sources

Triple-Wavelength Thulium-Doped Fiber Random Laser Based on Random Fiber Grating

Photonics, 2023
We demonstrate a triple-wavelength thulium-doped fiber random laser using a 10 cm long random fiber grating to provide random distributed feedback and a superimposed fiber Bragg grating as the wavelength-selective mirror.
Lewen Zhou, Yaozong Hu, Wenlong Zheng, Pengbai Xu, Zhensen Gao, Xinyong Dong   +5 more
doaj   +1 more source

Review of Random Fiber Lasers for Optical Fiber Sensors

Sensors, 2023
A random fiber laser does not need a traditional resonant cavity and only uses the multiple scattering of disordered media to provide feedback to achieve laser output.
Meng Tian, Wentao Zhang, Wenzhu Huang
doaj   +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

Spectrum-tailored random fiber laser towards ICF laser facility

Matter and Radiation at Extremes, 2023
Broadband low-coherence light is considered to be an effective way to suppress laser plasma instability. Recent studies have demonstrated the ability of low-coherence laser facilities to reduce back-scattering during beam–target coupling.
Mengqiu Fan, Shengtao Lin, Ke Yao, Yifei Qi, Jiaojiao Zhang, Junwen Zheng, Pan Wang, Longqun Ni, Xingyu Bao, Dandan Zhou, Bo Zhang, Kaibo Xiao, Handing Xia, Rui Zhang, Ping Li, Wanguo Zheng, Zinan Wang   +16 more
doaj   +1 more source

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

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

Advances in Random Fiber Lasers and Their Sensing Application

Sensors, 2020
Compared with conventional laser, random laser (RL) has no resonant cavity, reducing the requirement of cavity design. In recent years, the random fiber laser (RFL), a novel kind of RL, has made great progress in theories and experiments.
Hong Chen, Shaohua Gao, Mingjiang Zhang, Jianzhong Zhang, Lijun Qiao, Tao Wang, Fei Gao, Xinxin Hu, Shichuan Li, Yicheng Zhu   +9 more
doaj   +1 more source

Generation of Narrow Modes in Random Raman Fiber Laser Based on Multimode Fiber

Photonics, 2023
We present a new design of a random Raman fiber laser based on a graded-index multimode fiber as the media composing the cavity that allows the generation of narrow spectral lines.
Ilya D. Vatnik, Oleg A. Gorbunov, Dmitry V. Churkin   +2 more
doaj   +1 more source