Control of relative carrier-envelope phase slip in femtosecond Ti:sapphire and Cr:forsterite lasers

被引:14
|
作者
Kobayashi, Y
Torizuka, K
Wei, ZY
机构
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan
[2] New Energy & Ind Technol Dev Org, Tokyo 1706027, Japan
关键词
D O I
10.1364/OL.28.000746
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We were able to control relative carrier-envelope phase slip among mode-locked Ti:sapphire and Cr:forsterite lasers by employing electronic feedback. The pulse timings of these lasers were passively synchronized with our crossing-beam technique. Since the optical-frequency ratio of Ti:sapphire and Cr:forsterite is approximately 3:2, we can observe the phase relation by superimposing the third harmonic of Cr:forsterite and the second harmonic of Ti:sapphire lasers in time and in space. The spectrum width of the locked beat note was less than 3 kHz, which corresponds to the controlled fluctuation of a cavity-length difference of less than 10 pro. (C) 2003 Optical Society of America.
引用
收藏
页码:746 / 748
页数:3
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