G - Physics – 01 – J
Patent
G - Physics
01
J
G01J 4/00 (2006.01) H04N 5/225 (2006.01) H04N 7/18 (2006.01) H04N 5/335 (2006.01)
Patent
CA 2146994
A polarization viewer comprising a mechanism (12, 18, 20) for forming a broadview image having a spectral width greater than 2 angstroms and 50° based on polarization in- formation of a scene. The po- larization viewer is also com- prised of a mechanism (12, 18, 20) for providing polarization information to the forming me- chanism. The providing me- chanism is in communication with the forming mechanism. In a first embodiment, the pro- viding mechanism includes a camera mechanism in commu- nication with the forming me- chanism. The camera mechan- ism includes a fixed polarizer analyzer (12) disposed such that electromagnetic radiation entering the camera mechanism passes through the polarizer analyzer (12). The providing mechanism can also include a mechanism for steering a polarization plane of the radiation. The steering mechanism is disposed such that radiation passing through the polarizer analyser first passes through the steering mechanism. The steering mechanism preferably includes a first twist crystal (18) and at least a second twist crystal (20) aligned with the first twist crystal such that radiation passing through the first crystal has a first state and a second state.
Borden Ladner Gervais Llp
Wolff Lawrence B.
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