Polarizing beam splitter and magneto-optic reading device using

Details Polarizing beam splitter and magneto-optic reading device using Polarizing beam splitter and magneto-optic reading device using

1997-10-02

2000-01-11

Shafer, Ricky D.

Optical: systems and elements

Polarization without modulation

Polarizarion by dichroism

359485, 359498, 359583, 369110, G02B 530, G11B 700

Patent

active

060142553

ABSTRACT:
A polarizing beam splitter for splitting a non-collimated light beam of a given wave length into two sub-beams, each of a different state of polarization, has a substrate provided with a polarizing stack of thin layers and a compensating means for compensating retardation of the light beam occurred in passing through the polarizing stack.

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patent: 4896952 (1990-01-01), Rosenbluth
patent: 4966438 (1990-10-01), Mouchart et al.
patent: 4974219 (1990-11-01), Korth
patent: 5249171 (1993-09-01), Matsubayashi et al.
patent: 5307335 (1994-04-01), Komiya
patent: 5579159 (1996-11-01), Ito

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