Chinese Optics Letters, 2009, 7 (7): 07621, Published Online: Jul. 24, 2009  

Sixth harmonic generation of 1064-nm laser in KBBF prism coupling devices under two kinds of gas conditions Download: 879次

Author Affiliations
1 Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
2 Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, China
Abstract
The conversion efficiency on the sixth harmonic of 1064 nm in KBe2BO3F2 (KBBF) at different gas pressures in two kinds of gases, helium and nitrogen, is measured and compared. In the both gases, maximum conversion efficiency on the sixth harmonic of 1064 nm in high vacuum is nearly 10% of 355 nm, which is almost four times higher than that in low vacuum. The maximum average output power at 177.3 nm is 670 \muW with the repetition rate of 10 Hz and the duration of 20 ps in high vacuum. It indicates that the sixth harmonic generation in high vacuum is more preferable than that in low vacuum.

Chengming Li, Yong Zhou, Nan Zong, Zuyan Xu, Xiaoyang Wang, Yong Zhu. Sixth harmonic generation of 1064-nm laser in KBBF prism coupling devices under two kinds of gas conditions[J]. Chinese Optics Letters, 2009, 7(7): 07621.

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