Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1977-07-05
1985-07-09
Arnold, Bruce Y.
Optics: measuring and testing
By particle light scattering
With photocell detection
350255, G01B 902, G02B 702
Patent
active
RE0319414
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: 908725 (1909-01-01), Ashley
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
patent: 3728030 (1973-04-01), Hawes
Arnold Bruce Y.
The Gerber Scientific Instrument Company
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