Chinese Optics Letters, 2020, 18 (1): 011405, Published Online: Dec. 30, 2019   

Watt-level Pr3+:YLF deep red laser pumped by a fiber-coupled blue LD module or a single-emitter blue LD Download: 920次

Author Affiliations
1 International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China
2 Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Shenzhen University, Shenzhen 518060, China
3 College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou 325035, China
Abstract
A power-scaled laser operation of Pr:YLiF4 (YLF) crystal at 720.9 nm pumped by a 443.6 nm laser diode (LD) module was demonstrated. The 20 W module was used to pump the Pr:YLF crystal, and a maximum output power of 3.03 W with slope efficiency of 30.04% was obtained. In addition, a 5 W blue LD was also used to pump the Pr:YLF laser, and a maximum output power of 0.72 W was obtained at room temperature. The output power was limited by the wavelength mismatch between the single-emitter LD and the absorption peak of the crystal.

Miaomao He, Sheng Chen, Quanxin Na, Shaojuan Luo, Haiyong Zhu, Ying Li, Changwen Xu, Dianyuan Fan. Watt-level Pr3+:YLF deep red laser pumped by a fiber-coupled blue LD module or a single-emitter blue LD[J]. Chinese Optics Letters, 2020, 18(1): 011405.

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