Reflectance measuring instrument with integrating sphere

Details Reflectance measuring instrument with integrating sphere Reflectance measuring instrument with integrating sphere

1982-09-01

1984-12-11

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

250228, 356236, 356447, 356448, G01J 342, G01N 2147

Patent

active

044875045

ABSTRACT:
In a reflectance measuring instrument, an integrating sphere is provided to illuminate the sample of which the reflectance is to be measured. A first fiber optic cable is provided to receive a light beam reflected by the sample and a second fiber optic cable is positioned to receive a light beam reflected from the wall of the integrating sphere. The transmitting ends of the fiber optic cables are mounted in a pivoted plate to selectively position the transmitting ends to emit light into the entrance slit of a monochromator.

REFERENCES:
patent: 1964365 (1934-06-01), Razek et al.
patent: 3874799 (1975-04-01), Isaacs et al.
patent: 3998551 (1976-12-01), Suga
patent: 4193662 (1980-03-01), Hara
patent: 4239332 (1981-12-01), Inbar
patent: 4285596 (1981-08-01), Landa

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