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Silica-taper array for beam shaping of high power laser diode bar |
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| Authors: | Chu Liu Fan Zhang Chuncan Wang Yuchun Lu Rui Geng Shuisheng Jian |
| Affiliation: | 1. Institute of Lightwave Technology, Beijing Jiaotong University, Beijing, 100044, China 2. Key Lab of All Optical Network and Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing, 100044, China 3. China Unicom Research Institute, Beijing, 100140, China 4. School of Instrument Science and Optoelectronic Engineering, Beijing Information Science and Technology University, Beijing, 100192, China |
| Abstract: | A low-cost, easy producing and novel beam shaping system for concentration and homogenization of a high power laser diode bar (LDB) beam is demonstrated by experiment and simulation. It consists of a silica-taper array (beam shaper) and a silica-taper (beam integrator) which are fabricated by using chemical etching technique. By using this device, the output beam of LDB is reshaped to a small spot with uniform intensity and angular distributions, and could be coupled into a 200 ??m silica fiber. |
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