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Lasers and Laser Optics
Watt-level Pr3+:YLF deep red laser pumped by a fiber-coupled blue LD module or a single-emitter blue LDDownload：933次
Miaomao He 1Sheng Chen 1Quanxin Na 1Shaojuan Luo 1[ ... ]Dianyuan Fan 1,2
Author Affiliations
Abstract
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
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.
rare earth and transition metal solid-state lasers visible lasers diode-pumped lasers 
PDF全文 Full Text
Chinese Optics Letters
2020, 18(1): 011405
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