Target plate for positioning components

Details Target plate for positioning components Target plate for positioning components

G - Physics

01

C

G01C 15/02 (2006.01)

Patent

CA 2630375

A target plate (Z) according to the invention for positioning components, in particular pipes (R1, R2), has a holographic optical element as holographic diffuser. The diffuser can be used to direct radiation incident on the target plate (Z) in the form of a reference beam (RS) very accurately and nearly without losses into a defined solid angle region (d.OMEGA.). The diffuser can also have stochastically distributed structures and can thus homogeneously illuminate the solid angle region (d.OMEGA.). The target plate (Z) increases the visibility of the incident reference beam (RS); the reference beam (RS) can also be seen position-independently.

L'invention concerne une plaque de ciblage (Z) conçue pour positionner des composants, en particulier des tuyaux (R1, R2). Cette plaque de ciblage comprend un élément optique holographique qui sert de diffuseur holographique. Ce diffuseur permet de diriger, avec précision et pratiquement sans perte, un rayonnement rencontrant la plaque de ciblage (Z) sous la forme d'un faisceau de référence (RS), dans une zone d'angle solide définie (dO). Le diffuseur peut également comporter des structures réparties aléatoirement, et ainsi éclairer la zone d'angle solide (dO) de manière homogène. La plaque de ciblage (Z) selon l'invention permet d'augmenter la visibilité du faisceau de référence (RS) incident, et de détecter ce faisceau de référence (RS) indépendamment de la position.

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