é›·°„è焦¢é ­ ç„ç†èˆ‡‡‰ç”¨

  • View
    49

  • Download
    1

Embed Size (px)

DESCRIPTION

雷射聚焦探頭 的原理與應用. 指導教授:朱志良 報告學生:吳建輝. 摘要. 隨著科技不斷的改變,在量測上的不斷突破,就有人想到要用雷射聚焦來運用在光學尺,以及 CD/DVD 燒錄器的讀取頭上,以下就讓我們一起來探討雷射聚焦探頭的原理及應用。. 前言. - PowerPoint PPT Presentation

Text of é›·°„è焦¢é ­...

  • CD/DVD

  • (Laser)Light Amplification by the Stimulated Emission of RadiationCD/DVD

  • ()

  • (A+C)-(B+D)S-Curve

  • (DVD Pickup Head)

  • (http://www.ic72.com/technology/info_121025.html)

  • CD/DVDCD/DVDCDDVDCD784~796nmDVD650~660nmCDDVD(Numerical ApertureNA)

  • (DVD Pickup Head)

  • CD650MBDVD4.70GBBDGB

  • DVD Pickup Head

    DVD

    http://www.ic72.com/technology/info_121025.html

    http://iopscience.iop.org/0957-0233/14/1/307 Development of a high-precision straightness measuring system with DVD pick-up head DVD

    http://www.phys.ncku.edu.tw/optics/book_3/b3_c24.PDF

  • The End