Simultaneous three wavelength mid-IR laser by utilizing MgO:PPLN crystal

Boxia Yan; Yanwei Wang; Yan Qi

doi:10.1117/12.2285965

25 October 2017 Simultaneous three wavelength mid-IR laser by utilizing MgO:PPLN crystal

Boxia Yan, Yanwei Wang, Yan Qi

Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104573F (2017) https://doi.org/10.1117/12.2285965
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

A multi-wavelength mid-infrared laser based on a multi-period doped MgO periodically poled lithium niobate (MgO:PPLN) was reported in this letter. The pump source was 1.064μm Q-switched Nd:YVO₄ laser with a pulse repetition rate of 15kHz and pulse duration around 30ns. Three domain periods of 28.5μm, 29μm and 29.5μm in series were fabricated in a 2mm-thick z-cut MgO:PPLN, and the length of each domain period was 20mm. The extra-cavity singly resonant optical parametric oscillator had been demonstrated with a compact two-mirror cavity. Three idler wavelengths of 3825nm, 4004nm and 4165nm in the mid infrared were obtained at the same time, and the total output power was 139mW at 1.064μm pump power of 3.09W corresponding to optical-to-optical conversion efficiency of 4.5％ and the pump threshold was 1.04W for the 60mm-long MgO:PPLN.

Citation Download Citation

Boxia Yan, Yanwei Wang, and Yan Qi "Simultaneous three wavelength mid-IR laser by utilizing MgO:PPLN crystal", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104573F (25 October 2017); https://doi.org/10.1117/12.2285965

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