Spatio-temporal coupling of RMS errors in laser amplification

被引：2

作者：

Jo, Hanjin ^{[1
]}

Lee, Geonhui ^{[1
]}

Park, Daewoong ^{[2
]}

Hwang, Seungjin ^{[3
]}

Hong, Kyung Hee ^{[1
]}

Yu, Tae Jun ^{[1
,4
]}

机构：

[1] Handong Global Univ, Dept Adv Convergence, Pohang 37554, South Korea

[2] LG Elect, Prod Engn Res Inst, Seoul, South Korea

[3] HIL Lab Inc, Pohang 37554, South Korea

[4] Handong Global Univ, Global Green Res & Dev Ctr, Global Inst Laser Technol, Pohang 37554, South Korea

来源：

OPTICS EXPRESS | 2023年 / 31卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

BEAM; ENERGY; PROPAGATION; PERFORMANCE; TI;

D O I：

10.1364/OE.479632

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We developed a theoretical model for the relationship between the input and amplified laser beams of energy stability and spatial uniformity in the amplification process. 10 Hz, 8 ns, 1064 nm Nd:YAG Q-switched resonator with Nd:YAG main amplifier was employed for the experiment. The theoretical model simulation and Frantz-Nodvik simulation were performed by utilizing the obtained beam image, acquired energy from the experiment, and stored fluence from the gain medium. The result indicated that the fluctuation of the spatial distribution in a single beam influences the stability of temporally distributed energy during the amplification process of the laser beam, thereby improving energy stability.

引用

页码：1868 / 1877

页数：10

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