Detector absorptivity measuring method and apparatus

Details Detector absorptivity measuring method and apparatus Detector absorptivity measuring method and apparatus

1975-03-19

1976-07-27

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250353, G01J 100

Patent

active

039719405

ABSTRACT:
A method and apparatus for measuring the absorptivity of a radiation detector by making the detector an integral part of a cavity radiometer. By substituting the detector for the surface of the cavity upon which the radiation first impinges a comparison is made between the quantity of radiation incident upon the detector and the quantity reflected from the detector. The difference between the two is a measurement of the amount of radiation absorbed by the detector.

REFERENCES:
patent: 3350562 (1967-10-01), Flint
patent: 3392282 (1968-07-01), Astheimer
patent: 3794838 (1974-02-01), Weiss et al.

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