Highly efficient Nd:YAG ceramic CW laser with 59.8% slope-efficiency

Yunfeng Qi; Qihong Lou; Haixia Ma; Jingxing Dong

Journals >Chinese Optics Letters >Volume 3 >Issue 2 >Page 0289 > Article

Chinese Optics Letters
Vol. 3, Issue 2, 0289 (2005)

Highly efficient Nd:YAG ceramic CW laser with 59.8% slope-efficiency

Yunfeng Qi^*, Qihong Lou, Haixia Ma, and Jingxing Dong

Author Affiliations

Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

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Yunfeng Qi, Qihong Lou, Haixia Ma, Jingxing Dong. Highly efficient Nd:YAG ceramic CW laser with 59.8% slope-efficiency[J]. Chinese Optics Letters, 2005, 3(2): 0289 Copy Citation Text

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Abstract

In this paper, a highly efficient Ti:sapphire end-pumped 1 at.-% Nd:YAG ceramic laser that is comparable in efficiency with Nd:YAG single crystal lasers has been developed. Optical absorption and emission spectra for Nd:YAG ceramics have been measured. With 673-mW pumping, 295-mW laser output at 1064 nm has been obtained. The laser threshold is only 13 mW. Deducted the transmitted light, the corresponding optical-to-optical conversion efficiency is 58.4%. The lasing characteristics of Nd:YAG ceramic are nearly equal to those of Nd:YAG single crystal.

Keywords

140.3580 solid-state 140.3380 laser materials lasers

Yunfeng Qi, Qihong Lou, Haixia Ma, Jingxing Dong. Highly efficient Nd:YAG ceramic CW laser with 59.8% slope-efficiency[J]. Chinese Optics Letters, 2005, 3(2): 0289

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