Polarization rotation analyzer

Details Polarization rotation analyzer Polarization rotation analyzer

1974-03-08

1977-03-08

Corbin, John K.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

356119, G01J 404

Patent

active

040110141

ABSTRACT:
A machine for testing polarization rotation by translucent specimens includes a standard spectrophotometer disposed for establishing and converging a pair of light beams from a single monochromatic source and provided with a recorder. A polarizer, a station for mounting a translucent specimen and an analyzer are serially provided for passage therethrough of one of the beams and a magnetic device is provided for reversible mounting astride the station. The polarizer and analyzer are respectively disposed for orientation to a reference plane of the one beam and for modification of the intensity thereof in a plane displaced at a predetermined angle to the reference plane. The magnetic device displaces the specimen polarization plane at equal and opposite angles to the reference plane and the recorder provides outputs in logarithmic proportion to the intensity ratios of the beams.

REFERENCES:
patent: 3481671 (1969-12-01), West et al.
patent: 3761724 (1973-09-01), Dennis
Applied Optics, p. 668, vol. 6, No. 4, Apr. 1967.
Pidgeon et al., "Infra-Red Faraday Rotation in Semiconductors," Infra-Red ysics, vol. 4, No. 1, Mar. 1974, article begins p. 13, cited pp. 17-21.

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