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Jean‐Louis CHARRON: Engineer at the Centre technique des industries mécaniques (CETIM)
INTRODUCTION
Most of these other optical methods of non-contact dimensional measurement are based on the principles of triangulation, episcopy or ombroscopy, but their implementation is more complex. They lead to the development of measurement systems that complement the possibilities of the methods described in the article Non-contact measurement. Optical methods (part 1) , their scope of application is more restricted and specialized.
Time-of-flight telemetry and interferometry, on the other hand, use the finite propagation speed of light, which has not been exploited for the devices described in the first part [R 1 332].
This article is part of a series devoted to non-contact dimensional measurement sensors:
Non-contact measurement. General ;
Non-contact measurement. Magnetic and capacitive methods ;
Non-contact measurement. Optical methods (part 1) ;
Non-contact measurement. Optical methods (part 2) [R 1 333] ;
Non-contact measurement. Other methods ;
— Non-contact measurement. Comparison for a list of major sensor suppliers.
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Non-contact measurement
Time-of-flight telemetry
