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Proceedings Paper

Design and analysis on optically pumped gas THz fiber laser based on hollow-core anti-resonant fiber
Author(s): Guo Zhang; Shuai Sun; Yao Zhang; Quan Sheng; Wei Shi; Jianquan Yao
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Paper Abstract

We designed and analyzed a novel optically pumped gas THz fiber laser (OPTFL) based on hollow-core anti-resonant fiber (HC-ARF). The OPTFL filled with methanol vapor and pumped by a continuous-wave tunable CO2 laser. Combining the rate equations and the THz wave transmission theory in HC-ARF, factors that impacting THz output are analyzed. By investigating the inner structure of HC-ARF, a HC-ARF with an intrinsic single-mode transmission and a low confinement loss lower than 0.2 dB/m in OPTFL is proposed for efficiently transmitting THz waves. Theoretical analysis indicate that by appropriately increasing the cavity length, the output power of OPTFL is expected to reach the magnitude of 100 milliwatts with optimal operating conditions. The results provide an available method for highperformance THz laser source.

Paper Details

Date Published: 21 February 2020
PDF: 7 pages
Proc. SPIE 11260, Fiber Lasers XVII: Technology and Systems, 112601G (21 February 2020); doi: 10.1117/12.2544556
Show Author Affiliations
Guo Zhang, Tianjin Univ. (China)
Shuai Sun, Tianjin Univ. (China)
Yao Zhang, Tianjin Univ. (China)
Quan Sheng, Tianjin Univ. (China)
Wei Shi, Tianjin Univ. (China)
Jianquan Yao, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 11260:
Fiber Lasers XVII: Technology and Systems
Liang Dong, Editor(s)

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