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Volume 30 Issue 1
Sep.  2013
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Some issues in the design of CD lens for practical application

  • 1.

    Photonics and Electronics Technology Research Center, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China

  • Corresponding author: GONG Ma-li, gongn@tsinghua.educn ; 
  • Received Date: 2004-10-09
    Accepted Date: 2005-08-21
  • The working theory and optical criterion for the CD optical system is introduced,then some main issues for the design and assembling are discussed.A kind of CD lens for practical use and mass production have been designed.Based on the calculation of the lens,the optical performance curves affected by the LD astigmatism,manufacturing errors and system errors are presented.The design can endure various manufacture errors.Even the focusing error and disk tilt occur,excellent optical performance can be obtained within the whole tracking area,which shows the design is practical.
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    BOUWHUIS G,BRAAT J.Principles of optical disc systems[M].UK:Adam Hilger Ltd,1985.34,47.
    [2]

    STAIN S G.The CD-ROM drive a brief system description[M].Ner-therlands:Kluwer Academic Publishers,1998.15～16.
    [3]

    YAMAZAKI H,MATSUMARU T.Optical system for recording and re-production device[P].China Patent:CN1071471C,2001-09-19(in Chinese).
    [4]

    WANG Y X.The characteristic of inclination servo of optical disc and auto test method[D].Beijing:Tsinghua University,2004.44(in Chinese).
    [5]

    PAN J H.The design,manufacture and testing of aspheric surface[M].Beijing:Science Press,1994.50(in Chinese).
    [6]

    YUAN X C.Optical design[M].Beijing:Science Press,1985.241(in Chinese).
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Some issues in the design of CD lens for practical application

    Corresponding author: GONG Ma-li, gongn@tsinghua.educn; 
  • 1. Photonics and Electronics Technology Research Center, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
  • Received Date: 2004-10-09
  • Accepted Date: 2005-08-21
  • Available Online: 2006-01-25

Abstract: The working theory and optical criterion for the CD optical system is introduced,then some main issues for the design and assembling are discussed.A kind of CD lens for practical use and mass production have been designed.Based on the calculation of the lens,the optical performance curves affected by the LD astigmatism,manufacturing errors and system errors are presented.The design can endure various manufacture errors.Even the focusing error and disk tilt occur,excellent optical performance can be obtained within the whole tracking area,which shows the design is practical.

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