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Proceedings Paper

Micro object detecting sensor using a laser diode
Author(s): Y. Sakai; Hirofumi Kitajima; Tsukasa Yamashita
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Paper Abstract

A new micro object detecting sensor using diffracted light wave was developed. A linelike micro-object on the order of tenth micrometers in diameter can be detected over a large operating range of 0. 5mm wide 80mm long. The sensitivity of this sensor is not affected by the color material or diameter of the object. Futhermore the sensor is able to detect not only the existence of the object but also the lateral direction of the moving object when it gets out of the operating range.

Paper Details

Date Published: 1 October 1990
PDF: 6 pages
Proc. SPIE 1375, ICALEO '89: Optical Sensing and Measurement, (1 October 1990); doi: 10.1117/12.35059
Show Author Affiliations
Y. Sakai, Omron Tateisi Electronics Co. (Japan)
Hirofumi Kitajima, Omron Tateisi Electronics Co. (Japan)
Tsukasa Yamashita, Omron Tateisi Electronics Co. (Japan)


Published in SPIE Proceedings Vol. 1375:
ICALEO '89: Optical Sensing and Measurement

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