Device for measuring incident light

Details Device for measuring incident light Device for measuring incident light

1981-07-20

1984-12-04

Arnold, Bruce Y.

Optics: measuring and testing

Photometers

Photoelectric

354476, G01J 142

Patent

active

044860960

ABSTRACT:
A system for measuring incident light includes: an optical system defining an optical path; a photodetector; and a plurality of beam splitters, with each beamsplitter having a different, predetermined area and adapted to be disposed in the optical path with, at any one time, only one beam splitter in the optical path; and means for measuring the light received by the photodetector.

REFERENCES:
patent: 3464337 (1969-09-01), Trankner
patent: 4103153 (1975-07-01), Matsumoto et al.
patent: 4178084 (1979-12-01), Matsumoto et al.

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