Chinese Optics Letters, Vol. 17, Issue 7, 071406 (2019)
1.56 μm and 2.86 μm Raman lasers based on gas-filled anti-resonance hollow-core fiber
Wei Huang1, Yulong Cui1, Zhixian Li1, Zhiyue Zhou1, and Zefeng Wang1,2,3,*
- 1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
- 2State Key Laboratory of Pulsed Power Laser Technology, Changsha 410073, China
- 3Hunan Provincial Key Laboratory of High Energy Laser Technology, Changsha 410073, China
We report here a single-pass 1.56 μm fiber gas Raman laser in a deuterium-filled hollow-core fiber and a 2.86 μm cascade fiber gas Raman laser with methane in the second stage. The maximum output powers at 1.56 and 2.86 μm are 27 and 8.5 mW with Raman conversion efficiency of 30% and 42%, respectively. The results offer a new method to produce a 1.5 μm fiber source and prove the potential of the cascade fiber gas Raman laser in extending the available wavelength.
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