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Performance of CW NYAB laser at 1.06 μm end-pumped by a high-power diode-laser-array

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

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
134 KB
Volume
32
Category
Article
ISSN
0030-3992

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✦ Synopsis

A CW NYAB laser at 1.06 mm end-pumped by a high-power diode-laser-array has been demonstrated. At the incident pump power of 11 W, a maximum output power of 3.2 W was achieved, resulting in an optical conversion eciency of 29.1%, and average slope eciency of 37.5%. The output beam quality factor was measured to be M 2 1X9X The internal losses caused by the NYAB crystal were measured to be 0.035 cm À1 . The NYAB crystal was also found to exhibit very strong thermal lensing under high-power end-pumped conditions.

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