Chinese Journal of Lasers, Volume. 45, Issue 10, 1001007(2018)
Coupler Free Grating External Cavity Spectral Beam Combining of Diode Laser Stacks
Figures & Tables(8)
Fig. 3. Schematic of the SBC system with two-diode laser stacks based on coupler free grating external cavity
Fig. 4. Original emission spectrum of the two-diode stacks at a pump current of 70 A
Fig. 5. Spectrum characteristics of the two-diode stacks after the coupler free SBC model at the pump current of 70 A
Fig. 6. Power-current characteristics and electro-optic conversion efficiency curves of the coupler free SBC system
Table 1. Specific parameters of the 976 nm diode laser mini-bar
View tableTable 1. Specific parameters of the 976 nm diode laser mini-bar
Parameter Numerical value Chip width 4.5 mm Cavity length 3 mm Number of emitter 9 Front facet reflectivity <0.1% Emitter width 100 μm Emitter pitch 500 μm Slow axis divergence 10° (at 90% power contained) Fast axis divergence 50° (at 90% power contained) Central wavelength (976±3) nm (at 70 A)
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Sun Shujuan, Tan Hao, Meng Huicheng, Guo Linhui, Gao Songxin, Wu Deyong, Xu Fang. Coupler Free Grating External Cavity Spectral Beam Combining of Diode Laser Stacks[J]. Chinese Journal of Lasers, 2018, 45(10): 1001007
Paper Information
Category: laser devices and laser physics
Received: Apr. 12, 2018
Accepted: --
Published Online: Mar. 5, 2020
The Author Email: Hao Tan (tanhaomf@163.com)
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