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Optical Engineering

Compact conductively cooled electro-optical Q-switched Nd:YAG laser
Author(s): Chaoyang Li; Chengqiang Lu; Chuan Li; Yannan Zang; Zhen Yang; Song Han; Ye Li; Ning Yang; Junfeng Shi; Zewu Zhou
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Paper Abstract

We report on a compact conductively cooled high-repetition-rate nanosecond Nd:YAG laser. The oscillator was an laser diode side-pumped electro-optical (EO) Q-switched Nd:YAG rod laser adopting unstable cavity with a variable reflectivity mirror. A pulse train of 142 mJ with duration of 10 ns, repetition rate of 80 Hz at 1064 nm has been achieved. Maximum pulse energy was obtained at the pump energy of 1380 mJ, corresponding to the optical–optical conversion efficiency of 10.3%. The peak power was deduced to be 14.2 MW. The near-field pattern demonstrated a nearly super Gaussian flat top profile. To our knowledge, this is the highest repetition rate operation for a conductively cooled EO Q-switched Nd:YAG rod laser.

Paper Details

Date Published: 29 November 2017
PDF: 6 pages
Opt. Eng. 56(11) 116115 doi: 10.1117/1.OE.56.11.116115
Published in: Optical Engineering Volume 56, Issue 11
Show Author Affiliations
Chaoyang Li, South Industry Institute of China (China)
Chengqiang Lu, South Industry Institute of China (China)
Chuan Li, South Industry Institute of China (China)
Yannan Zang, South Industry Institute of China (China)
Zhen Yang, South Industry Institute of China (China)
Song Han, South Industry Institute of China (China)
Ye Li, South Industry Institute of China (China)
Ning Yang, South Industry Institute of China (China)
Junfeng Shi, South Industry Institute of China (China)
Zewu Zhou, South Industry Institute of China (China)


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