Polarization forming optical device

Details Polarization forming optical device Polarization forming optical device

1993-02-12

1994-10-25

Lerner, Martin

Optical: systems and elements

Polarization without modulation

Polarizarion by dichroism

359 73, 359495, 359499, G02B 530, G02B 2728, G02F 11335

Patent

active

053594550

ABSTRACT:
A random polarized light from a light source (305) can be changed into a linear polarized light by using a polarization beam splitter (303), a transmitting means (304) for rotating a plane of polarization at 90.degree., reflectors (308) and a first prism formed plate (302). Further, a beam width of the linear polarized light thus obtained can be reduced by using a reflecting surface (307) and a second prism formed plate (301).

REFERENCES:
patent: 2887566 (1959-05-01), Marks
patent: 3153740 (1964-10-01), Murphy
patent: 3510198 (1970-05-01), Pace
patent: 3876285 (1975-04-01), Schwarzmuller
patent: 4020336 (1977-04-01), Linder
patent: 4798448 (1989-01-01), Van Raalte
patent: 5042921 (1991-08-01), Sato et al.
"Geometric, Physical, and Visual Optics", by Michael P. Keating Ph.D., 1990, pp. 374 to 375.
Melles Gript Company, Optics Guide 4, 1988, pp. 15-16 to 15-17.

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