Apparatus for and method of optical detection and analysis...

Details Apparatus for and method of optical detection and analysis... Apparatus for and method of optical detection and analysis...

G - Physics

01

S

G01S 17/89 (2006.01) G01S 7/497 (2006.01) G01S 17/02 (2006.01) G01S 17/42 (2006.01)

Patent

CA 2415455

An apparatus for detection and analysis of optical systems. Prior art systems exploit the phenomenon of photon scattering in order to range the distance of objects from the ranging apparatus. However, no information other than the distance of the target object is obtained from such systems. There is therefore provided an apparatus that exploits the technique of single photon counting and the phenomenon of retro reflection to provide information about a target optical system. Such information can be analysed and compared against known optical systems to provide a means of identification. Alternatively such information can be used as a method of quality control when constructing precision optical instruments such as telescopes or microscopes.

L'invention concerne un dispositif permettant la détection et l'analyse de systèmes optiques. Les systèmes de l'état de la technique exploitent le phénomène de la diffusion des photons de manière à évaluer la distance entre des objets et un appareil de mesure de distance. Toutefois, aucune information autre que la distance de l'objet cible ne peut être obtenue avec de tels systèmes. C'est pourquoi, la présente invention concerne un dispositif qui exploite la technique du comptage monophotonique et le phénomène de la rétroréflexion afin d'obtenir des informations concernant un système optique cible. Ces informations peuvent être analysées et comparées avec des systèmes optiques connus afin d'obtenir un moyen d'identification. Dans un mode de réalisation différent, les informations peuvent être utilisées à des fins de contrôle qualité dans la fabrication d'instruments optiques de précision, tels que les télescopes ou les microscopes.

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