✦ LIBER ✦

Q-switched NYAB laser end-pumped by a high-power diode-laser array

✍ Scribed by Junhai Liu; Jiyang Wang; Jingqian Wei; Changqing Wang; Zongshu Shao; Minhua Jiang

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 164 KB
Volume: 32
Category: Article
ISSN: 0030-3992
DOI: 10.1016/s0030-3992(00)00077-3

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✦ Synopsis

A diode-laser array end-pumped acousto-optically Q-switched NYAB laser operating at both 1.06 and 0:53 m has been demonstrated. An average output power of 1:3 W at 1:06 m at a pulse repetition frequency (PRF) of 60 kHz was obtained with an optical conversion e ciency of 18.1% and a slope e ciency of 21.3%. At the incident pump power of 6:1 W, the 1:06 m shortest laser pulse was reached at PRF of 20 kHz with FWHM width measured to be 32 ns, yielding a largest pulse energy of 30 J, and a highest peak power of 938 W. The attainable maximum average green power was found to be 185 mW, with an optical conversion e ciency of 3%.

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