G - Physics – 01 – J
Patent
G - Physics
01
J
G01J 4/00 (2006.01) G01J 4/04 (2006.01)
Patent
CA 2463768
Provided are systems and methods using a Soleil-Babinet compensator (101) as a standard for calibrating birefringence measurement systems. Highly precise and repeatable calibration is accomplished by the method described here because, among other things, the inventive method accounts for variations of retardance across the surface of the Soleil-Babinet compensator (101). The calibration technique described here may be employed in birefringence measurement systems that have a variety of optical setups for measuring a range of retardation levels and at various frequencies of light sources.
L'invention concerne des systèmes et des procédés utilisant un compensateur de Soleil-Babinet (101) comme norme pour l'étalonnage de systèmes de mesure de biréfringence. Le procédé de l'invention permet de réaliser un étalonnage reproductible de haute précision étant donné qu'il tient compte, entre autres, des variations de retard sur la surface du compensateur de Soleil-Babinet (101). La technique d'étalonnage de l'invention peut être mise en oeuvre dans des systèmes de mesure de biréfringence comportant une pluralité de montages optiques destinés à mesurer une plage de niveaux de retard à différentes fréquences de sources lumineuses.
Hinds Instruments Inc.
Smart & Biggar
LandOfFree
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