Beam tilt and angular dispersion in broad-bandwidth, nanosecond optical parametric oscillators

被引:19
作者
Alford, WJ
Gehr, RJ
Schmitt, RL
Smith, AV
机构
[1] Sandia Natl Labs, Dept Lasers Opt & Remote Sensing 1128, Albuquerque, NM 87185 USA
[2] Norwegian Def Res Estab, N-2007 Kjeller, Norway
关键词
D O I
10.1364/JOSAB.16.001525
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We show that the signal and idler beams generated by certain types of unseeded, nanosecond optical paramet ric oscillators are tilted and angularly dispersed and have anomalously large bandwidths. This effect is demonstrated in both laboratory measurements and a numerical model. We show how the optical cavity design influences the tilts and how these tilts can be eliminated or minimized. We also determine the conditions necessary for injection seeding of these parametric oscillators. (C) 1999 Optical Society of America [S0740-3224(99)02409-1].
引用
收藏
页码:1525 / 1532
页数:8
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