High Brightness Diode Laser Based on V-Shaped External Cavity and Beam-Waist Splitting Polarization Combining

被引：0
作者：
Zhao, Yufei [1 ]
Tong, Cunzhu [2 ]
Wei, Zhipeng [1 ]
Feng, Jian [2 ]
Wang, Lijie [2 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Phys, Key Lab High Power Semicond Lasers, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 04期
基金：
中国国家自然科学基金;
关键词：
diode laser; external cavity; beam combining; high beam quality and brightness; ARRAY; POWER; KW; QUALITY; OUTPUT;
D O I：
10.3390/app13042125
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A beam combining method to improve the brightness of diode lasers is proposed based on a V-shaped external cavity spectral beam and beam-waist splitting polarization combination. This design has the outstanding advantages of improving the beam quality, brightness, and versatility of the diode laser. Specifically, an output power over 16W with M-2 factors of 1.79 x 3.92 (Beam Parameter Product BPP = 0.55 x 1.22 mm mrad) at 40 A in the fast and slow axis is demonstrated for a commercial standard cm-bar. Furthermore, the slow axis M-2 of the combined laser is improved by 56% compared with that of a single emitter. Additionally, the brightness of 262 MW center dot cm(-2)center dot sr(-1), 136% higher than that of spectral beam combining without using beam-waist splitting polarization, was realized.
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页数：8
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