Polarization controlling device and method

Details Polarization controlling device and method Polarization controlling device and method

1986-02-21

1987-10-13

Punter, William H.

350403, G02B 2728, G02F 101

Patent

active

046994726

ABSTRACT:
An unpolarized light beam is split into two orthogonal polarized beams. Each polarized beam is attenuated by passing it through the sequence of a first polarization rotator, an analyzer, and a second polarization rotator. The attenuated beams are combined to yield a beam with the desired type or space-orientation of polarization.

REFERENCES:
patent: 3535021 (1970-10-01), Amodei
patent: 3704997 (1972-12-01), Smith
patent: 3719414 (1973-03-01), Wentz
patent: 4335939 (1982-06-01), Stovell et al.
Rowe, S. H., "Efficiency Enhancement of Light Modulators", App. Optics, 570, p. 1222.

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