Qiuhui Chu, Qiang Shu, Zeng Chen, Fengyun Li, Donglin Yan, Chao Guo, Honghuan Lin, Jianjun Wang, Feng Jing, Chuanxiang Tang, Rumao Tao. Experimental study of mode distortion induced by stimulated Raman scattering in high-power fiber amplifiers[J]. Photonics Research, 2020, 8(4): 595
- Photonics Research
- Vol. 8, Issue 4, 595 (2020)
Fig. 1. Experiment setup of the laser system.
Fig. 2. (a) Output power of the laser as a function of pump power. (b) Spectra at different output powers.
Fig. 3. (a) Beam quality and the ratio of Raman Stokes light. (b) Ratio of IM-FWM light of the laser at different output powers.
Fig. 4. Temperature of passive fiber of the laser at different output powers.
Fig. 5. Near-field intensity distributions captured from camera at (a) 1560 W (Visualization 1 ) and (b) 1910 W (Visualization 2 ).
Fig. 6. Time traces of the laser with (a) 50 s period and (b) 100 μs period at different output powers.
Fig. 7. FS of low-frequency time traces with 50 s period.
Fig. 8. Character factor σ
Fig. 9. (a) Output power versus pump power. (b) Beam quality of the laser with bent passive fiber.
Fig. 10. Near-field intensity distributions at several output powers.
Fig. 11. Phase-matching diagrams of the IM-FWM for the 26/400 fiber.
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20