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中国物理学会期刊

基于单个BBO晶体载波包络相位稳定的高效率光参量放大器

CSTR: 32037.14.aps.63.214203

High efficient CEP-stabilized infrared optical parametric amplifier made from a BBO single crystal

CSTR: 32037.14.aps.63.214203
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  • 基于单个BBO非线性晶体,利用非共线光参量放大技术,研究了载波包络相位稳定的高效率可调谐近红外脉冲产生. 以载波包络相位稳定的飞秒激光放大系统产生的白光作为种子光,注入一个二类匹配的二级光参量放大器,在1350 nm波段获得抽运-信号光34%的转换效率. 利用f–2f光谱相干测量技术,放大脉冲载波包络相位的抖动30 min内小于137 mrad. 该方法提供了一种简单高效的载波包络相位稳定的红外脉冲产生技术.

     

    We demonstrate an efficient tunable phase-stabilized near-infrared optical parametric amplifier (OPA) made from a BBO (β -BaB2O4) single crystal in this paper. By using the seeded white-light continuum produced by CEP(carrier envelop phase)-stabilized femtosecond laser amplifier system which is seeded into the two stages of a type II OPA system, the pump-to-signal conversion efficiency of 34% can be achieved at 1350 nm. The CEP jitter of amplified pulses measured by an f–2f interferometer is 137 mrad in 30 minutes. This paper demonstrates a simple, feasible and efficient way to produce tunable femtosecond pulses with CEP control.

     

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