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A fiber coupled module is fabricated with integrating the emitting light from four laser diode bars into multimode fiber bundle.The continuous wave(CW)output power of the module is about 130 W with a coupling efficiency of around 80%.The output power is very stable after the temperature cycling and vibration test.No apparent power decrease has been observed as the device working continuously for 500 h.
A fiber coupled module is fabricated with integrating the emitting light from four laser diode bars into a multimode fiber bundle. The continuous wave (CW) output power of the module is about 130 W with a coupling efficiency of around around 80%. The output power is very stable after the temperature cycling and vibration test. No apparent power decrease has been observed as the device working continuously for 500 h.