XIE Wen-jun, CAO Yin-hua, XU Shang-rui etc. Fiber Coupling of Multi-single Emitters Diode Lasers Based on Curved Surface Spatial Combination[J]. Chinese Journal of Luminescence, 2018,39(9): 1280-1284
XIE Wen-jun, CAO Yin-hua, XU Shang-rui etc. Fiber Coupling of Multi-single Emitters Diode Lasers Based on Curved Surface Spatial Combination[J]. Chinese Journal of Luminescence, 2018,39(9): 1280-1284 DOI: 10.3788/fgxb20183909.1280.
Fiber Coupling of Multi-single Emitters Diode Lasers Based on Curved Surface Spatial Combination
With the development of single emitter diode laser fiber coupling technology
in order to improve the output power of the multi-single emitters diode laser
the curved surface spatial combination
as a special way
was introduced to coupling the multi-single diode laser emitters into the fiber
which can combine the most number of single emitters in same optical fiber for increasing the output power. In simulation
with ZEMAX optical design software
34 single emitters diode lasers with a center wavelength of 975 nm and 10 W output power are coupled into a fiber with core diameter of 200 m and NA of 0.22. The simulation results of the maximum output power of 312.03 W and the coupling efficiency of 91.76% were obtained. We assembled a multiple single emitter diode laser based on 17 single emitters and coupled the beam into the optical fiber of which the core diameter is 200 m and the numerical aperture is 0.22. Under 10.5 A driving current
the output power is 100.5 W and the coupling efficiency to be 68.46%.
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references
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