Optical: systems and elements – Polarization without modulation – Polarization by birefringence
Reexamination Certificate
2004-06-29
2009-06-16
Spector, David N (Department: 2873)
Optical: systems and elements
Polarization without modulation
Polarization by birefringence
C359S490020, C359S506000
Reexamination Certificate
active
07548370
ABSTRACT:
The present invention relates to an apparatus for polarizing an incident light beam. In embodiments, a tile wave plate assembly is provided. The tile wave plate includes a layered structure having a substrate plate and two layers of mosaic tiles. The layers of the apparatus are mechanically separated to form a controlled gap spacing. The mosaic tiles can be configured to form a pseudo or true zero order wave plate.
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Office Action and Translation of Office Action for Japanese Patent Application No. 2005-190704 mailed Nov. 11, 2008, 6 pgs.
Albert Michael M.
Kreuzer Justin
Wilklow Ronald A.
ASML Holding N.V.
Spector David N
Sterne Kessler Goldstein & Fox P.L.L.C.
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