Multiplex interferometer

Details Multiplex interferometer Multiplex interferometer

1974-02-13

1976-02-03

Corbin, John K.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

350255, G01B 902, G02B 702

Patent

active

039361934

ABSTRACT:
An interferometer for analyzing electromagnetic frequency spectra including a movable mirror supported on two air bearings such that the center of support of the bearings continuously coincides with the center of gravity of the movable mirror during the motion of the mirror. The air bearings engage two parallel, spaced apart lateral rods that maintain the optical alignment of the mirror. To facilitate making spectral measurements, the interferometer also incorporates a laser for producing monochromatic light that is directed through a primary beam splitter to provide a periodic fringe pattern as the mirror moves and a white light directed through a secondary beam splitter to provide a reproducible reference point.

REFERENCES:
patent: 1709809 (1929-04-01), Rashevsky
patent: 2258355 (1941-10-01), Douglass
patent: 2580498 (1952-01-01), Ackerlind
patent: 2948152 (1960-08-01), Meyer
patent: 3488123 (1970-01-01), Nichols

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