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Semiconductor lasers in indication and measurement applications

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6 Author(s)
Junewen Chen ; Inst. of Mech. Eng., Chung-Hua Univ., Hsinchu, Taiwan ; Shih-Jui Wu ; Yi-Hsien Chen ; Jing-Bin Duan
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A novel high quality semiconductor cross indictor is presented. Practical modular setup and the measurement results verify the theoretical deduction and optical design simulation. We have achieved the fine and sharp cross lines to the excellent result of 1.4 mm and even the best result of 1.2 mm in line-width, both in red semiconductor light source and in green semiconductor light source. What is more, we have designed and completed a semiconductor source medium to long range high accuracy range finder that measures up to hundred meters with accuracy of less than 2 mm.

Published in:

Photonics Global Conference (PGC), 2010

Date of Conference:

14-16 Dec. 2010