Polarizing beam splitter featuring stacked grating layers...

Liquid crystal cells – elements and systems – Liquid crystal system – Projector including liquid crystal cell

Reexamination Certificate

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C349S096000, C359S494010, C359S490020, C359S490020

Reexamination Certificate

active

07369186

ABSTRACT:
A polarizing beam splitter includes a polarization splitting layer which includes stacked one-dimensional grating layers. The grating layers can include alternating layers of at least one H layer having an effective refractive index nHfor p-polarized light and at least one L layer having an effective refractive index nLfor p-polarized light.

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patent: 2003-195223 (2003-07-01), None
Lopez et al. “Wave-plate polarizing beam splitter based on a form-birefringent multilayer grating.” Optics Letters, vol. 23, No. 20, pp. 1627-1629.
Tyan et al. “Polarizing beam splitter based on the anisotropic spectral reflectivity characteristic of form-birefringent multilayer gratings.” Optics Letters, vol. 21, No. 10.
Gao et al. “Single camera stere using planar parallel plate.” Available at http://vision.ai.uiuc.edu
ewpubs/Stereo—PPP—Gao.pdf.

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