Method and apparatus for measuring optical coupling coefficients

Details Method and apparatus for measuring optical coupling coefficients Method and apparatus for measuring optical coupling coefficients

1980-09-19

1982-04-06

Ciarlante, Anthony V.

Measuring and testing

Gas content of a liquid or a solid

By vibration

356432, G01N 2500

Patent

active

043229670

ABSTRACT:
An apparatus and method for measuring optical coupling coefficients is disclosed using the thermal expansion of a sample to reduce an externally applied tensile load of predetermined magnitude. The sample is illuminated with a known amount of incident energy. The absorption of this energy expands the sample which reduces the tension in the sample. The measurement of the tension reduction permits a direct calculation of the coupling coefficient .alpha., through use of the known parameters of a sample.

REFERENCES:
patent: 3645634 (1972-02-01), Bucher
patent: 3902809 (1975-09-01), Sparks
patent: 4041313 (1977-09-01), Potter et al.
patent: 4185497 (1980-01-01), Decker et al.
National Bureau of Standards, Special Publication 509, 1977, pp. 204-214, ulsed-Laser Stress Phenomena on Highly Reflecting Metal & Alloy Surfaces", Purteus et al.

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