High-energy 588nm yellow laser generation by frequency doubling of KGW Raman amplifier

Guoxin Jiang; Xin Ding; Yuntao Bai; Peng Lei; Liang Wu; Guizhong Zhang; Jianquan Yao

doi:10.1117/12.3035386

8 November 2024 High-energy 588nm yellow laser generation by frequency doubling of KGW Raman amplifier

Guoxin Jiang, Xin Ding, Yuntao Bai, Peng Lei, Liang Wu, Guizhong Zhang, Jianquan Yao

Author Affiliations +

Proceedings Volume 13232, Advanced Lasers, High-Power Lasers, and Applications XV; 132320W (2024) https://doi.org/10.1117/12.3035386
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

A high-energy 588 nm yellow laser based on external-cavity frequency doubling of Raman amplifier was demonstrated. First, a 40 mJ pure high-performance 1177 nm first-order Stokes seed light was achieved with a KGd(WO₄)₂ (KGW) Raman oscillator pumped by 1064 nm pulse laser. Then, a single-pass KGW Raman amplifier scheme was employed to obtain 152 mJ 1177nm Raman output. Finally, by external-cavity frequency doubling with an LBO crystal, a 74.1 mJ Raman yellow laser at 588nm with a pulse duration of 10.4 ns was obtained under the total 1064 nm pumping energy of 650 mJ. The corresponding optical to optical conversion efficiency was 11.4%.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Guoxin Jiang, Xin Ding, Yuntao Bai, Peng Lei, Liang Wu, Guizhong Zhang, and Jianquan Yao "High-energy 588nm yellow laser generation by frequency doubling of KGW Raman amplifier", Proc. SPIE 13232, Advanced Lasers, High-Power Lasers, and Applications XV, 132320W (8 November 2024); https://doi.org/10.1117/12.3035386

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