High power 2 μm picosecond laser delivery in a low loss Nested hollowcore anti-resonant fiber

Xin Zhang; Weihua Song; Zihan Dong; Jingyuan Yao; Yubin Hou; Pu Wang

doi:10.1117/12.2615185

4 March 2022 High power 2 μm picosecond laser delivery in a low loss Nested hollowcore anti-resonant fiber

Xin Zhang, Weihua Song, Zihan Dong, Jingyuan Yao, Yubin Hou, Pu Wang

Proceedings Volume 11981, Fiber Lasers XIX: Technology and Systems; 119810V (2022) https://doi.org/10.1117/12.2615185
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

In this work, we report the fabrication and characterization of a 5-tubes nested hollow-core anti-resonant fiber (Nested HC-ARF), which exhibits outstanding optical performance in terms of a record attenuation value of 0.85 dB/km at 2 μm wavelength and excellent modal. The power handling capability of Nested HC-ARF is also firstly demonstrated in this work. The maximum average power of 60.5 W at 2 μm has been transmitted through the fabricated Nested HC-ARF in robustly single-mode fashion without introducing any damage to the input and output fiber end-faces, which represent the highest average power delivered by HCF in this wavelength, to the best of our knowledge.

Conference Presentation

Citation Download Citation

Xin Zhang, Weihua Song, Zihan Dong, Jingyuan Yao, Yubin Hou, and Pu Wang "High power 2 μm picosecond laser delivery in a low loss Nested hollowcore anti-resonant fiber", Proc. SPIE 11981, Fiber Lasers XIX: Technology and Systems, 119810V (4 March 2022); https://doi.org/10.1117/12.2615185

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