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Proceedings Paper

High-power diode-end-pumped intracavity frequency-doubled Nd:GdVO4/LBO red laser
Author(s): Chenlin Du; Shuangchen Ruan; Yongqin Yu; Feng Zeng
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Paper Abstract

We report a high-power diode-single-end-pumped continuous-wave and Q-switched Nd:GdVO4 red laser through intracavity frequency-doubling with a type-I critical phase-matched LBO crystal. The maximum CW output power at 671 nm was measured to be 2.1 W at the incident pump power of 30 W, with the corresponding optical conversion efficiency of 7%. At the repetition frequency of 47 kHz, the maximum average output power of quasi-CW red light was obtained to be 6 W, with the corresponding optical conversion efficiency of 12.8% and the pulse width of about 97 ns. At the average output power around 5 W, the power stability was better than 5.8% for one hour. The M2 factor increased from 1.33 to 2.47 when the output power was increased from 1 W to 6 W. At the repetition rate of 25 kHz, the maximum pulse energy of 212 μJ was obtained with the corresponding peak power of 3.98 kW.

Paper Details

Date Published: 22 December 2005
PDF: 6 pages
Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 60280D (22 December 2005); doi: 10.1117/12.667127
Show Author Affiliations
Chenlin Du, Shenzhen Univ. (China)
Shuangchen Ruan, Shenzhen Univ. (China)
Yongqin Yu, Shenzhen Univ. (China)
Feng Zeng, Shenzhen Univ. (China)


Published in SPIE Proceedings Vol. 6028:
ICO20: Lasers and Laser Technologies
Y. C. Chen; Dianyuan Fan; Chunqing Gao; Shouhuan Zhou, Editor(s)

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