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

Yang LIU; Hengli ZHANG; Ying YAN; Huaijin ZHANG; Jingliang HE; Jianguo XIN

doi:10.1007/s12200-009-0031-y

Front. Optoelectron. ›› 2009, Vol. 2 ›› Issue (4) : 407 -409. DOI: 10.1007/s12200-009-0031-y

RESEARCH ARTICLE

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

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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

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Yang LIU, Hengli ZHANG, Ying YAN, Huaijin ZHANG, Jingliang HE, Jianguo XIN. A 123 W Nd:YVO₄ slab laser with high beam quality output. Front. Optoelectron., 2009, 2(4): 407-409 DOI:10.1007/s12200-009-0031-y