Flat polarizing nonabsorbing beam splitter

Details Flat polarizing nonabsorbing beam splitter Flat polarizing nonabsorbing beam splitter

1993-04-06

1995-02-28

Shafer, Ricky D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359487, 359494, 359495, 359498, G02B 530, G02B 532

Patent

active

053942531

ABSTRACT:
A nonabsorbing polarizing optical beam splitter is described comprising a transparent substrate supporting a layer of adjacent flat beam-splitting channels. Each of the beam-splitting channels abuts respective adjacent channels at a 90.degree. angle to form a contiguous alternating orientation relative to the substrate. Each of the beam-splitting channels reflects a first polarization component of a light beam oriented parallel to the beam-splitting channels, and allows a second remaining polarization component of the light beam to pass through the plurality of beam-splitting channels relatively unperturbed.

REFERENCES:
patent: 2887566 (1959-05-01), Marks
patent: 3876285 (1975-04-01), Schwarzmuller
patent: 4020336 (1977-04-01), Linder
patent: 4525413 (1985-06-01), Rogers et al.
patent: 5124841 (1992-06-01), Oishi
patent: 5157526 (1992-10-01), Kondo et al.
"3M/Optical Systems Right Angle Backlighting Technology Design Aid," 3M technical literature on RAF and TRAF, pp. 1-9.
"3M/Optical Systems Solf Design Aid," 3M technical literature on Solf, pp. 1-6.

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