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摘要:
We demonstrated a passively Q-switched Nd:YAG/Cr4+:YAG microchip laser with high stability and highly polarized output. The output polarization mainly depends on the pump polarization by using [0 0 1]-cut Cr4+:YAG crystal as a saturable absorber. Highly stabled output was achieved when the pump polarization direction was parallel to the crystallographic axis of [0 0 1]-cut Cr4+:YAG crystal. The 1064 nm laser with the output power of 0.5 W at 20 kHz, with the pulse duration of 2.3 ns was generated. The extinction ratio was above 300:1 and the polarized output stability was higher than 96.8%. (C) 2013 Elsevier Ltd. All rights reserved.
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来源 :
OPTICS AND LASER TECHNOLOGY
ISSN: 0030-3992
年份: 2014
卷: 56
页码: 269-272
5 . 0 0 0
JCR@2022
ESI学科: ENGINEERING;
ESI高被引阀值:176
JCR分区:2
中科院分区:3