Plane grating polarizing beamsplitter

Details Plane grating polarizing beamsplitter Plane grating polarizing beamsplitter

G - Physics

02

B

88/117

G02B 1/08 (2006.01) G02B 5/30 (2006.01) G02B 27/10 (2006.01) G02B 27/28 (2006.01) G11B 7/135 (2006.01)

Patent

CA 1174882

ABSTRACT OF THE DISCLOSURE A surface relief transmission grating is formed so as to have a high diffraction efficiency for S component light and a high transmittance for P component light. In one embodiment relating to a laser read/write system, the grating is used in conjunction with a wave retardation device, the grating acting as a highly efficient, polarized beamsplitter.

393529

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