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Proceedings Paper

Simultaneous three wavelength mid-IR laser by utilizing MgO:PPLN crystal
Author(s): Boxia Yan; Yanwei Wang; Yan Qi
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Paper 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.

Paper Details

Date Published: 25 October 2017
PDF: 5 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104573F (25 October 2017); doi: 10.1117/12.2285965
Show Author Affiliations
Boxia Yan, Academy of Opto-Electronics (China)
Yanwei Wang, Academy of Opto-Electronics (China)
Yan Qi, Academy of Opto-Electronics (China)


Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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