Background compensating interferometer

Details Background compensating interferometer Background compensating interferometer

1977-08-19

1980-07-22

Corbin, John K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01N 2146

Patent

active

042137063

ABSTRACT:
A device for reducing the effects of scattered light in an optical instrument utilizes an interferometer for interfering the scattered light and placing the image of the desired object within a dark fringe of the scattered light interference pattern to increase the contrast between the image of the desired object and the background.

REFERENCES:
patent: 4025195 (1977-05-01), Ebersole et al.
Hill et al., "Shearing Interferometer as an Interferometric Filter for the Relation of Scattered Light", Applied Optics, vol. 16, No. 1, pp. 195-201 Jan. 1977.

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