LIU Cui-cui, JING Hong-qi, NI Yu-xi etc. Design of 915 nm/974 nm Single-emitter Laser Diode Fiber-coupled Module[J]. Chinese Journal of Luminescence, 2018,39(11): 1598-1603
LIU Cui-cui, JING Hong-qi, NI Yu-xi etc. Design of 915 nm/974 nm Single-emitter Laser Diode Fiber-coupled Module[J]. Chinese Journal of Luminescence, 2018,39(11): 1598-1603 DOI: 10.3788/fgxb20183911.1598.
Design of 915 nm/974 nm Single-emitter Laser Diode Fiber-coupled Module
A practical method of a high optical power density and high power fiber-coupled laser diode module based on six single-emitter semiconductor laser diodes at 915 nm/974 nm was demonstrated by ZEMAX software simulation and experiments. To obtain a high power and high optical power density laser beam
which included two wavelengths for pumping two kinds of solid lasers or fiber lasers by the same module
the optical reshaping
spatial multiplexing and wavelengths multiplexing were used in this module to combine six single emitters into a single beam. Then
an aspheric lens was used to couple the combined beam into an optical fiber. This module can produce more than 46 W output power with coupling efficiency of 83% from a standard multi-mode optical fiber with core diameter of 105 m and numerical aperture(NA) of 0.22.
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