CCD probe: Application of linear array CCD in large dimension measurement

Hao Qun*, Cao Mang, Zhao Yang, Li Dacheng

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

A research on using linear array CCD detecting technique in measuring form and position errors of large scale dimension is described in this paper. The basic idea of this kind of measurement is that using a stable aligned laser beam incident on a one-dimension asymmetrical phase plate to form a black line as the reference of the beam, form and position datum lines and planes can be established through a scanner. A linear array CCD is used to measure deviation between the datum and the quantity be measured directly and absolutely. In the paper, we also discuss the reading error of the CCD probe caused by various factors in detail and introduce the CCD probe and its signal processing circuit. Some of experiment results and its application are shown.

Original languageEnglish
Pages (from-to)330-334
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3174
DOIs
Publication statusPublished - 1997
Externally publishedYes
EventVideometrics V - San Diego, CA, United States
Duration: 30 Jul 199730 Jul 1997

Keywords

  • CCD probe
  • Diffraction pattern
  • Form and position errors
  • Laser beam

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