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A design of a surface-doped Yb:YAG slab laser with high power and high efficiency

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Abstract

We demonstrate a high-efficiency and high-power quasi-three-level laser based on a trapezoidal composite slab architecture with a 270 μm-thick Yb-doping surface. The design of a surface-doped slab architecture, temperature effects, laser oscillator model, and laser oscillator experiments with a surface-doped slab as a laser host medium have been presented. By theoretical calculation, the temperature rise in the surface-doped slab is only one seventh of that in the bulk-doped slab at the same maximum pump power of 30 kW. Finally, in the laser oscillator experiments, an output energy of 21.6 J is obtained when the pump energy is 48 J with a repetition rate of 5 Hz and a pulse width of 1 ms. The optical-optical efficiency is 45%.

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DOI:10.3788/col201816.101401

所属栏目:Lasers and laser optics

基金项目:This project is funded by the Science and Technology on Solid-State Laser Laboratory.

收稿日期:2018-06-27

录用日期:2018-08-16

网络出版日期:2018-09-14

作者单位    点击查看

Jiao Liu:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Yang Liu:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Xiaojun Tang:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Chao Wang:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Lei Liu:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Lu Chen:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Ning Li:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Ke Wang:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Xingbo Liang:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Kunpeng Lü:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Xue Yang:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Hong Zhao:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China
Nianjiang Chen:Institute of North Optics and Electronics, Beijing 100015, ChinaScience and Technology on Solid-State Laser Laboratory, Beijing 100015, China

联系人作者:Chao Wang(bitmissliu@sina.com)

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引用该论文

Jiao Liu, Yang Liu, Xiaojun Tang, Chao Wang, Lei Liu, Lu Chen, Ning Li, Ke Wang, Xingbo Liang, Kunpeng Lü, Xue Yang, Hong Zhao, Nianjiang Chen, "A design of a surface-doped Yb:YAG slab laser with high power and high efficiency," Chinese Optics Letters 16(10), 101401 (2018)

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