Synchronously pumped femtosecond optical parametric oscillator based on AgGaSe2 tunable from 2 μm to 8 μm

被引：45
|
作者：
Marzenell, S [1 ]
Beigang, R [1 ]
Wallenstein, R [1 ]
机构：
[1] Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 1999年 / 69卷 / 5-6期
关键词：
D O I：
10.1007/s003400050830
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The operation of a continuous-wave mode-locked silver gallium selenide (AgGaSe2) optical parametric oscillator (OPO) is reported. The OPO was synchronously excited by 120-fs-long pulses of 1.55-mu m radiation at a repetition rate of 82 MWz. The 1.55-mu m radiation is generated by a noncritically phasematched cesium-titanyl-arsenate (CTA)-OPO pumped by a mode-locked Ti:sapphire laser. The AgGaSe2-OPO generates signal and idler radiation in the range from 1.93 mu m to 2.49 mu m and from 4.1 mu m to 7.9 mu m, respectively. Up to 67 mW of signal wave output power has been obtained. The experimentally determined pulse duration and chirp parameters are in reasonable agreement with results from a numerical model taking into account group velocity mismatch, group velocity dispersion, self phase modulation, and chirp enhancement.
引用
收藏
页码：423 / 428
页数：6
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