G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 21/06 (2006.01) F21V 14/06 (2006.01) G01N 21/01 (2006.01) G02B 21/08 (2006.01) G02B 27/00 (2006.01)
Patent
CA 2452403
An illuminator for use with an optical system for inspecting samples such as experimentally grown proteins includes a light source, a light refracting optical element such as fresnel lens, and an opalescent light diffusing plate disposed between the light source and the fresnel lens. An adjustment device mechanically coupled to the light diffusing plate is operable for varying the optical distance between the light diffusing plate and the light refracting optical element to modulate deflection effect thereof on diffused fight generated by the light diffusing plate so as to control relative levels of resulting diffused light and direct light beamed by the fresnel lens onto the sample.
Fourt Denis
Tu Xiaowei
Vromet Frederic
Boudreau Jean-Claude
Centre de Recherche Industrielle Du Quebec
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