Unusual techniques for absolute distance measurement

Peter J. de Groot

doi:10.1117/1.1330702

1 January 2001 Unusual techniques for absolute distance measurement

Peter J. de Groot

Optical Engineering, Vol. 40, Issue 1, (January 2001). https://doi.org/10.1117/1.1330702

I describe four unusual laser systems for absolute measures of linear distance. All employ the familiar techniques of multiple wavelengths, chirped wavelength, optical feedback and intensity modulation, but in somewhat unfamiliar architectures. These examples serve to illustrate the breadth of solutions to this important problem.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Peter J. de Groot "Unusual techniques for absolute distance measurement," Optical Engineering 40(1), (1 January 2001). https://doi.org/10.1117/1.1330702

Published: 1 January 2001

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