A 123 W Nd:YVO<sub>4</sub> slab laser with high beam quality output

doi:10.1007/s12200-009-0031-y

Front Optoelec Chin

2009, Vol. 2

Issue (4) : 407-409 https://doi.org/10.1007/s12200-009-0031-y

RESEARCH ARTICLE

A 123 W Nd:YVO₄ slab laser with high beam quality output

Yang LIU¹, Hengli ZHANG¹(

), Ying YAN¹, Huaijin ZHANG², Jingliang HE², Jianguo XIN¹

1. School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China; 2. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250000, China

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Abstract

The laser diode (LD) partially end-pumped slab laser with hybrid resonator is a kind of novel solid-state laser that can achieve high power with high beam quality. Using this configuration, taking Nd:YVO₄ as the slab gain media, a 123 W output was obtained when the pumping power was 265 W, and the optical-to-optical efficiency and slope efficiency were 46.4% and 52.4%, respectively. The beam quality M² factors in the unstable direction and the stable direction were 1.3 at the output power of 98 W.

Keywords laser diode (LD) slab laser Nd:YVO₄ hybrid resonator 1064 nm laser

Corresponding Author(s): ZHANG Hengli,Email:zhl040325@bit.edu.cn

Issue Date: 05 December 2009

Cite this article:

Yang LIU,Hengli ZHANG,Ying YAN, et al. A 123 W Nd:YVO₄ slab laser with high beam quality output[J]. Front Optoelec Chin, 2009, 2(4): 407-409.

URL:

https://academic.hep.com.cn/foe/EN/10.1007/s12200-009-0031-y
https://academic.hep.com.cn/foe/EN/Y2009/V2/I4/407

Fig.1 Experimental setup of LD end-pumped Nd:YVO slab laser with hybrid resonator. (a) Horizontal direction; (b) vertical direction

Fig.2 Output power as a function of LD pump power

Fig.3 factor at output power of 98 W. (a) Unstable direction; (b) stable direction

Fig.4 Time stability at output power of 98 W

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