Optical: systems and elements – Diffraction – From grating
Reexamination Certificate
2011-06-14
2011-06-14
Pritchett, Joshua L (Department: 2872)
Optical: systems and elements
Diffraction
From grating
C359S566000
Reexamination Certificate
active
07961395
ABSTRACT:
Systems and methods are provided for providing wideband diffraction limited performance in an optical receiver. A first lens is constructed from a first material and has a first surface and a second surface. A second lens is constructed from a second material and having a first surface and a second surface. The second lens is positioned such that a first surface of the second lens faces a second surface of the first lens across a gap of air. A diffraction grating is applied to one of the first and second surfaces of the first and second lenses.
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Greenland Alan Richard
Jackson John Edwin
Svec Christopher Brendan
Northrop Grumman Systems Corporation
Pritchett Joshua L
Tarolli, Sundheim Covell & Tummino LLP
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