Quasi-CW Tm-doped fiber laser with 600 W peak power for laser lithotripsy

Sung Mok Kim; Ju Young Shin; Eun Kyoung Park; In Chul Park; Ye Jin Oh; Ji Won Kim; Hoon Jeong

doi:10.1117/12.3023164

6 June 2024 Quasi-CW Tm-doped fiber laser with 600 W peak power for laser lithotripsy

Sung Mok Kim, Ju Young Shin, Eun Kyoung Park, In Chul Park, Ye Jin Oh, Ji Won Kim, Hoon Jeong

Proceedings Volume PC13003, Fiber Lasers and Glass Photonics: Materials through Applications IV; PC130030V (2024) https://doi.org/10.1117/12.3023164
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

In this paper, we report on a high-energy, high-power quasi-continuous wave (QCW) operation of a double-clad thulium (Tm) fiber laser. We constructed an efficient high-power Tm fiber laser which produced rectangular-shaped pulses at 1940 nm with a > 6 J pulse energy and a 10 ms pulse duration at a 10 Hz repetition rate, corresponding to an average power of > 60 W and a peak power of > 600 W for ~ 110 W of incident pump power at 793 nm. The detailed laser characteristics and the ablation of stones with a constructed laser are discussed.

Citation Download Citation

Sung Mok Kim, Ju Young Shin, Eun Kyoung Park, In Chul Park, Ye Jin Oh, Ji Won Kim, and Hoon Jeong "Quasi-CW Tm-doped fiber laser with 600 W peak power for laser lithotripsy", Proc. SPIE PC13003, Fiber Lasers and Glass Photonics: Materials through Applications IV, PC130030V (6 June 2024); https://doi.org/10.1117/12.3023164

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