Thin film plane-polarized intensity pickoff

Details Thin film plane-polarized intensity pickoff Thin film plane-polarized intensity pickoff

1980-10-30

1983-02-01

Punter, William H.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

74 56A, 350396, 350407, G01C 1928, G02B 530, G02B 2728

Patent

active

043717845

ABSTRACT:
This invention disclosure describes a thin film plane-polarized electro magnetic energy pickoff system. The system provides a wide-angle linear range of .+-.40 degrees with a cosine nonlinear range of .+-.65 degrees. The design allows all active components to be mounted on the unstabilized housing structure, thus eliminating torque stabilization problems.

REFERENCES:
patent: 3224281 (1965-12-01), Blazek
Zoller et al., "Angular Displacement Transducer for Use in a Torsion Pendm" Rev. of Sci. Instruments 6/75, pp. 695-696.
Shurcliff, W. A. "Polarized Light" Harvard U. Press, 1962 pp. 104-107.
Bennett et al., "Polarization" section 10 of Handbook of Optics, editor Driscoll et al., McGraw Hill 1978, pp. 10-147-148.

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