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	LD-pumped acousto-optically Q-switched 473 nm laser with high repetition rate
	Feng Li-chun ; Huo Yu-jing ; He Shu-fang
	2010-05-06 ; 2010-05-06
关键词	Experimental/ acousto-optical effects neodymium optical harmonic generation optical phase matching Q-switching solid lasers/ LD-pumped laser acousto-optically Q-switched laser intracavity frequency-doubled laser laser medium type-I noncritical phase matching pump source optical-optical conversion efficiency energy storage three-level system 473 nm 5 mm 10 mm 11 cm 6 cm 3 cm 2 W 23 ns 16 muJ YAG:Nd YAl5O12:Nd/ A4255R Lasing action in other solids A4260F Laser beam modulation, pulsing and switching mode locking and tuning A4265K Optical harmonic generation, frequency conversion, parametric oscillation and amplification B4320G Solid lasers B4330B Laser beam modulation, pulsing and switching mode locking and tuning B4340K Optical harmonic generation, frequency conversion, parametric oscillation and amplification/ wavelength 4.73E-07 m size 5.0E-03 m size 1.0E-02 m size 1.1E-01 m size 6.0E-02 m size 3.0E-02 m power 2.0E+00 W time 2.3E-08 s energy 1.6E-05 J/ YAl5O12:Nd/ss YAl5O12/ss Al5O12/ss Al5/ss O12/ss Al/ss Nd/ss O/ss Y/ss Nd/el Nd/dop
中文摘要	A compact, laser diode (LD) pumped all solid-state acousto-optically Q-switched intracavity frequency-doubled 473 nm laser has been developed. The repetition rate is up to 100 kHz. A 5-mm-long Nd:YAG crystal was used as laser medium and a 10-mm-long type-I non-critical phase matching (NCPM) LiB/sub 3/O/sub 5/ (LBO) crystal was used as frequency doubler. The contour size of the laser is 11 cm*6 cm*3 cm. 64.8 mW average power of 473-nm stable output at repetition rate of 20 kHz was generated with a 2-W LD as pump source, corresponding to a total optical-optical conversion efficiency of 3.2%. Under 1-kHz repetition rate, stable output has been obtained, with pulse width of 23 ns, peak power of near 700 W and pulse energy of 16 mu J. A formula of energy storage in three-level system is deduced, which is different from the previous results in which the upper state lifetime is taken as the energy storage time. This deduction is proved by analysis of the experiment result.
语种	中文 ; 中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10873]
专题	清华大学
推荐引用方式 GB/T 7714	Feng Li-chun,Huo Yu-jing,He Shu-fang. LD-pumped acousto-optically Q-switched 473 nm laser with high repetition rate[J],2010, 2010.
APA	Feng Li-chun,Huo Yu-jing,&He Shu-fang.(2010).LD-pumped acousto-optically Q-switched 473 nm laser with high repetition rate..
MLA	Feng Li-chun,et al."LD-pumped acousto-optically Q-switched 473 nm laser with high repetition rate".(2010).

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