Polarizing splitter device and application to a system for illum

Details Polarizing splitter device and application to a system for illum Polarizing splitter device and application to a system for illum

1996-04-16

1998-04-07

Nelms, David C.

Optical: systems and elements

Polarization without modulation

Polarizarion by dichroism

359495, 359496, 359497, 359638, 359629, 359834, G02B 530, G02B 2714, G02B 504

Patent

active

057371245

ABSTRACT:
A polarizing splitter device includes a double prism having an entry face for receiving a beam of unpolarized light, a polarizing splitter transmitting the polarized light in a first polarization direction, and reflecting the light polarized in a second polarization direction. The double prism also has a reflection face provided with a mirror receiving the light reflected by the polarizing splitter as well as an exit face for receiving and transmitting the light transmitted by the polarizing splitter and reflected by the mirror.

REFERENCES:
patent: 5124841 (1992-06-01), Oishi
patent: 5381278 (1995-01-01), Shingaki et al.
patent: 5387953 (1995-02-01), Minoura et al.
Patent Abstracts of Japan vol. 16, No. 500 (P-1437) Oct. 15, 1992 & JP-A-04 180052 (Nippon Sheet Glass).
Patent Abstracts of Japan, vol. 16, No. 313 (P-1383) Jul. 9, 1992 & JP-A-04 088317 (Sharp).
Patent Abstracts of Japan, vol. 17, No. 448 (P-1594) Aug. 17, 1993 & JP-A-05 100331 (Toshiba).
IBM Technical Disclosure Bulletin, vol. 36, No. 09b, Sep. 1993 pp. 453-456 "Improved Liquid Crystal Display Panel Illumination".
Copy of Search Report.

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