Optical: systems and elements – Polarization without modulation – By relatively adjustable superimposed or in series polarizers
Reexamination Certificate
2002-06-20
2008-11-18
Lavarias, Arnel C (Department: 2872)
Optical: systems and elements
Polarization without modulation
By relatively adjustable superimposed or in series polarizers
C359S490020, C355S071000
Reexamination Certificate
active
07453641
ABSTRACT:
An optical system includes at least one cubic crystalline optical element aligned along an optical axis, the at least one cubic crystalline optical element being birefringent and imparting retardance on a beam of light propagating through the optical system along the optical axis, and polarization rotation optics inserted along the optical axis and selected to rotate the polarization of the beam of light to at least partially reduce the retardance.
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ASML Netherlands B.V.
Lavarias Arnel C
Pillsbury Winthrop Shaw & Pittman LLP
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