Beam-shaping technique for improving the beam quality of a high-power laser-diode stack |
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| Authors: | Gao Xin Ohashi Hiroyuki Okamoto Hiroshi Takasaka Masaomi Shinoda Kazunori |
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| Affiliation: | Central Research Laboratory, Hamamatsu Photonics K.K., Shizuoka, Japan. gaoxin@crl.hpk.co.jp |
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| Abstract: | We report a beam-shaping technique that reconfigures the beams to improve the beam quality and enhance the power density for a ten-array high-power laser-diode stack by using two optical rectangular cubes and two stripe-mirror plates. The reshaped beam has threefold improvement in beam quality, and its power density is effectively enhanced. On the basis of this technique, we focus the beam of the high-power laser-diode stack to effectively end pump a high-power fiber laser. |
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