Management of thermal effects in high-repetition-rate pulsed optical parametric oscillators

被引：14

作者：

Godard, Antoine ^{[1
]}

Raybaut, Myriam ^{[1
]}

Schmid, Thomas ^{[1
]}

Lefebvre, Michel ^{[1
]}

Michel, Anne-Marie ^{[2
]}

Pealat, Michel ^{[2
]}

机构：

[1] ONERA French Aerosp Lab, F-91761 Palaiseau, France

[2] SAGEM, Grp SAFRAN, F-91344 Massy, France

来源：

OPTICS LETTERS | 2010年 / 35卷 / 21期

关键词：

CONTINUOUS-WAVE;

D O I：

10.1364/OL.35.003667

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the investigation of thermal effects in high-repetition-rate pulsed optical parametric oscillators emitting in the mid-IR. We find that the thermal load induced by the nonresonant idler absorption plays a critical role in the emergence of thermally induced bistability. We then demonstrate a significant improvement of the conversion efficiency (more than 30%) when a proper axial temperature gradient is applied to the nonlinear crystal by use of a two-zone temperature-controlled oven. (C) 2010 Optical Society of America

引用

页码：3667 / 3669

页数：3

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