Cheng-Mu Tsai, Ken-Yu Cheng, Chia-Hung Yeh, Kuo-Wei Lin, Pin Han
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Three-dimensional coupling structure for a high power laser diode module
A novel scheme involving a three-dimensional (3D) coupling structure is used to build a laser diode (LD) module that utilizes the fiber angle space more completely. Compared with the traditional 2D configuration, the number of LD’s is increased by 4, obtaining an increased efficiency of over 90%. Another advantage is that some costly optical elements used in the traditional polarization combination method are not necessary.
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