G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/28 (2006.01) G01J 3/10 (2006.01) G01J 3/28 (2006.01) G01J 3/44 (2006.01) G01J 3/443 (2006.01) G01J 3/447 (2006.01) G02F 1/1335 (2006.01) H01S 3/00 (2006.01) H01L 33/00 (2006.01)
Patent
CA 2532949
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 (450) and a first liquid crystal cell (455). 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.
L'invention concerne un procédé et un appareil pour spectromètre d'imagerie multilongueurs d'ondes. Dans un mode de réalisation, l'invention concerne plus particulièrement un filtre optique laissant passer les photons. Ce filtre comprend un premier et un deuxième étages de filtre. Le premier étage de filtre peut comprendre un premier élément retardateur et une première cellule à cristaux liquides. Le premier élément peut comprendre une face d'entrée et une face de sortie, une desdites faces n'étant pas orientée sensiblement perpendiculaire à la trajectoire des photons traversant le filtre.
Maier John S.
Treado Patrick J.
Wang Chenhui
Chemimage Corporation
Dimock Stratton Llp
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