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  • Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper JWC1
  • https://doi.org/10.1364/FIO.2009.JWC1

Design of an Accurate Auto-focusing Method by Using Elliptic Optical Apparatus

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Abstract

A novel auto-focusing measuring method by using elliptic mirror which has conjugate foci is proposed to improve detecting accuracy and miniaturize optical apparatus. The method is especially effective in machining and inspection for rough surface material, like solar cell.

© 2009 Optical Society of America

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