Beam collimation  of LED in optical encoder

Optics and Precision Engineering, Volume. 17, Issue 4, 750(2009)

Beam collimation of LED in optical encoder

ZHU Xiao-li^* and CHEN Jun-ning

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ZHU Xiao-li, CHEN Jun-ning. Beam collimation of LED in optical encoder[J]. Optics and Precision Engineering, 2009, 17(4): 750

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Received: Jun. 30, 2008

Accepted: --

Published Online: Oct. 28, 2009

The Author Email: Xiao-li ZHU (zxl@mail.hf.ah.cn)

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