11 μm, high beam quality idler-resonant CdSe optical parametric oscillator with continuous-wave injection-seeded at 2.58 μm

被引：16

作者：

Chen, Yi ^{[1
]}

Yang, Chao ^{[1
]}

Liu, Gaoyou ^{[1
]}

Yao, Baoquan ^{[1
]}

Wang, Ruixue ^{[1
]}

Yang, Ke ^{[1
]}

Mi, Shuyi ^{[1
]}

Dai, Tongyu ^{[1
]}

Duan, Xiaoming ^{[1
]}

Ju, Youlun ^{[1
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China

来源：

OPTICS EXPRESS | 2020年 / 28卷 / 11期

关键词：

ABSORPTION; GAAS;

D O I：

10.1364/OE.393436

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an idler-resonant, continuous-wave (CW) seed injected, optical parametric oscillator (OPO) based on cadmium selenide (CdSe). The CdSe OPO was pumped by a 2.09 mu m ns-pulsed laser and injection-seeded by a 2.58 mu m CW laser. The idler-resonant oscillator was designed to maximize the optical-to-optical conversion efficiency and optimize the beam quality. The injected seed laser was designed to reduce the pump threshold. With this setup, the average idler output power of 802 mW was obtained corresponding to a pulse energy of 0.8 mJ at the wavelength of 11.01 mu m and linewidth (FWHM) of 0.6 cm(-1), optical-to-optical conversion efficiency of 4.4%, quantum conversion efficiency of 23.3%, beam quality of M-x(2) = 1.23, M-y(2) = 1.12, and pulse width of 21 ns. In addition, by turning the angle of the CdSe, wavelength tuning of 10.55-11.98 mu m was achieved. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：17056 / 17063

页数：8

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