Fe: ZnSe laser pumped by a 2.93-μm Cr, Er: YAG laser

doi:10.1088/1674-1056/28/6/064203

Abstract

We demonstrated an Fe:ZnSe laser pumped by a 2.93-μm Cr, Er:YAG laser at liquid nitrogen and room temperature in single-shot free-running operation for the first time. The xenon flash lamp pumped Cr, Er:YAG laser had a maximum single pulse energy of 1.414 J, and the threshold and slope efficiency were 141.70 J and 0.70% which were respectively reduced by 29.3% and increased by 52.2% compared with the Er:YAG laser. At liquid nitrogen temperature of 77 K, the maximum single pulse energy of the Fe:ZnSe laser was 197.6 mJ, corresponding to a slope efficiency of 13.4%. The central wavelength and full width at half maximum (FWHM) linewidth were 4037.4 nm and 122.0 nm, respectively. At room temperature, the laser generated a maximum single pulse energy of 3.5 mJ at the central wavelength of 4509.6 nm with an FWHM linewidth of 171.5 nm.

Keywords: Fe:ZnSe Cr Er:YAG Er:YAG free-running

Received: 19 February 2019
Revised: 19 April 2019
Accepted manuscript online:

PACS:	42.55.Rz	(Doped-insulator lasers and other solid state lasers)
	42.60.Da	(Resonators, cavities, amplifiers, arrays, and rings)
	42.60.Jf	(Beam characteristics: profile, intensity, and power; spatial pattern formation)

Fund:

Project supported by the National Natural Science Foundation of China (Grant No. 61405047).

Corresponding Authors: You-Lun Ju
E-mail: juyoulun@126.com

Cite this article:

Ying-Yi Li(李英一), Tong-Yu Dai(戴通宇), Xiao-Ming Duan(段小明), Chun-Fa Guo(郭春发), Li-Wei Xu(徐丽伟), You-Lun Ju(鞠有伦) Fe: ZnSe laser pumped by a 2.93-μm Cr, Er: YAG laser 2019 Chin. Phys. B 28 064203

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Fe: ZnSe laser pumped by a 2.93-μm Cr, Er: YAG laser

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