LASER APPARATUS

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PROBLEM TO BE SOLVED : To provide a laser apparatus that can be easily manufactured. SOLUTION : An LD module 1 comprises a plurality of LD chips LD1-LD10, and a reflection element RE that selectively reflects a part of beams of a specific wavelength. The reflection element RE reflects a laser beam having a specific wavelength of laser beams from one LD chip, to the other LD chip, and reflects to the one LD chip a laser beam having a specific wavelength of the laser beams from the other LD chip. SELECTED DRAWING : Figure 1 COPYRIGHT : (C)2017, JPO&INPIT