Precision polarization optimized optical beam processor

Details Precision polarization optimized optical beam processor Precision polarization optimized optical beam processor

2011-01-11

2011-01-11

Pritchett, Joshua L (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarizarion by dichroism

C359S490020

Reexamination Certificate

active

07869127

ABSTRACT:
A method, element and system are provide for efficiently, accurately and without significant contribution of noise, splitting a beam of radiation or combining beams of radiation. In one embodiment of the invention, a beamsplitter front surface partially reflects incident radiation and refracts the rest of the radiation. The refracted radiation is completely reflected at a back surface of the beamsplitter and is completely refracted producing a parallel beam without creating any stray radiation or optical noise. This is accomplished using a p-polarized input beam and a Brewster angle geometry.

REFERENCES:
patent: 6128133 (2000-10-01), Bergmann
patent: 7190519 (2007-03-01), Kitagishi
patent: 2003/0206349 (2003-11-01), Gage et al.

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