Application of laser diode fiber alignment in measuring large-scale perpendicularity and parallelism

Qun Hao; Rong Liang; Mang Cao; Dacheng Li

doi:10.1117/12.253013

3 October 1996 Application of laser diode fiber alignment in measuring large-scale perpendicularity and parallelism

Qun Hao, Rong Liang, Mang Cao, Dacheng Li

Proceedings Volume 2899, Automated Optical Inspection for Industry; (1996) https://doi.org/10.1117/12.253013
Event: Photonics China '96, 1996, Beijing, China

Abstract

In this paper, a system for measuring perpendicularity and parallelism derivation using a laser diode fiber aligned beam and CCD detector is described. A stable aligned laser diode beam is used to form datum planes by rotating scanner equipped with pentagonal prism. Using a linear array CCD detector as the sensing probe, the system can detect the deviation of height related to the datum plane directly and absolutely. The experiment result is shown in the paper.

Citation Download Citation

Qun Hao, Rong Liang, Mang Cao, and Dacheng Li "Application of laser diode fiber alignment in measuring large-scale perpendicularity and parallelism", Proc. SPIE 2899, Automated Optical Inspection for Industry, (3 October 1996); https://doi.org/10.1117/12.253013

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