Optical system which utilizes polarized light

Details Optical system which utilizes polarized light Optical system which utilizes polarized light

1997-04-16

1999-08-17

Nguyen, Thong

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

359492, G02B 530

Patent

active

059402113

ABSTRACT:
An optical system includes comprising a polarizing element in the form of a layer which comprises an isotropic material having a refractive index n.sub.i and an anisotropic material having refractive indices n.sub.a,e and n.sub.a,o. The refractive index n.sub.i is substantially equal to n.sub.a,e or n.sub.a,o. The optical system includes a retroflector for back-reflecting the polarization component diffused in the polarizing element.

REFERENCES:
patent: 4985809 (1991-01-01), Matsui et al.
patent: 5422756 (1995-06-01), Weber
patent: 5486884 (1996-01-01), De Vaan
"Polarizer" in Research Disclosure, Jul. 1993, No. 35117, pp. 452-453.

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