Polarization switched image rotator

Details Polarization switched image rotator Polarization switched image rotator

1980-06-10

1982-03-09

Rosenberger, R. A.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

350383, 350384, 350400, 244 313, F41G 900, G02F 103

Patent

active

043185916

ABSTRACT:
A beam projector capable of projecting alternately orthogonally oriented cross-sectional beams by utilizing a single beam generator that emits a polarized beam through an electro-optical cell, which is activated to alternately switch the beam between two orthogonal plane polarization states. The respectively alternately polarized beams are imaged into an elongated cross-sectional beam wherein one of the beams of one of the polarizations states is rotated orthogonally with respect to the other beam and the beams are projected along parallel paths.

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