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Optical Engineering

Environmental Limitations of Optical Sensors for Guideway Surveillance
Author(s): Daniel E. Magnus; Hector Medecki; Sergio Panunzio
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Paper Abstract

Optical sensors for detecting obstacles on the guideway of a high speed transportation system were investigated experimentally and analytically. Both approaches are described in this paper. The performance of the optical sensor is dependent upon the extent of ray bending caused by solar heating of the air immediately above the guideway. The effect of ray bending is presented in terms of a relationship between obstacle size and length of the optical path.

Paper Details

Date Published: 1 April 1972
PDF: 7 pages
Opt. Eng. 11(2) doi: 10.1117/12.7971608
Published in: Optical Engineering Volume 11, Issue 2
Show Author Affiliations
Daniel E. Magnus, General Applied Science Laboratories, Inc. (United States)
Hector Medecki, General Applied Science Laboratories, Inc. (United States)
Sergio Panunzio, General Applied Science Laboratories, Inc. (United States)


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