Optics: measuring and testing – By light interference – Spectroscopy
Reexamination Certificate
2006-03-14
2006-03-14
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By light interference
Spectroscopy
C349S193000
Reexamination Certificate
active
07012695
ABSTRACT:
The disclosure generally relates to a method and apparatus for multi-wavelength imaging spectrometer. More specifically, in one embodiment, the disclosure relates to an optical filter for passing photons therethrough. The filter includes a first filter stage and a second filter stage. The first filter stage may include a first retarder element and a first liquid crystal cell. The first element may include an input face and an output face. One of the first element faces is not oriented substantially normal to the trajectory of photons passing through the filter.
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Maier John S.
Treado Patrick J.
Wang Chenhui
ChemImage Corporation
Lyons Michael A.
Morris LLP Duane
Toatley , Jr. Gregory J.
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