Optical: systems and elements – Polarization without modulation – Polarization variation over surface of the medium
Reexamination Certificate
2009-03-09
2010-10-12
Lavarias, Arnel C (Department: 2872)
Optical: systems and elements
Polarization without modulation
Polarization variation over surface of the medium
C359S494010, C359S576000
Reexamination Certificate
active
07813039
ABSTRACT:
A multilayer wire-grid polarizer for polarizing light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having lengths longer than a wavelength of the light and a period less than half the wavelength of the light. One of the layers can include a thin film layer with a refractive index greater than a refractive index of the substrate. One of the thin film layers can include a dielectric array of non-metal elements.
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Cheng Cheng-Yuan
Gardner Eric W.
Hansen Douglas P.
Perkins Raymond T.
Lavarias Arnel C
Moxtek, Inc.
Thorpe North & Western LLP
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