Condensing and collecting optical system with axially...

G - Physics – 02 – B

Patent

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G02B 19/00 (2006.01) G02B 6/10 (2006.01) G02B 6/26 (2006.01) G02B 6/42 (2006.01) G02B 17/06 (2006.01)

Patent

CA 2181992

The present invention comprises a system for condensing and collecting electromagnetic radiation having a primary reflector (P, M1) disposed on one side of an electromagnetic radiation source and a target (T) disposed on the opposite side of the source (S). The primary reflector (P, M1) includes a concave reflecting surface portion, which preferably forms the entire surface of the reflector. The concave surface portion of the primary reflector (P, M1), which is preferably of a substantially toroidal shape, defines an optical axis and a primary center of curvature disposed along the optical axis (z). The source (S) of electromagnetic radiation is located approximately on the optical axis (z) but axially offset a first distance from the center of curvature in a direction toward the concave surface portion. The target (T) i.e. a single core fiber optic (f) or a fiber optic bundle is located approximately on the optical axis (z) but axially offset a second distance from the center of curvature.

L'invention concerne un système de concentration et de collecte de rayonnement électromagnétique présentant un réflecteur primaire (P, M1) placé sur un côté d'une source de rayonnement électromagnétique, ainsi qu'une cible (T) disposée sur le côté opposé de la source (S). Le réflecteur primaire (P, M1) comporte une partie de surface réfléchissante concave, laquelle constitue de préférence la surface totale du réflecteur. Ladite partie de surface concave du réflecteur primaire (P, M1), laquelle présente de préférence une forme sensiblement toroïdale, definit un axe optique ainsi qu'un centre primaire de courbure situé le long de l'axe optique (Z). La source (S) de rayonnement électromagnétique est placée approximativement sur l'axe optique (Z) mais décalée axialement d'une première distance à partir du centre de courbure vers la partie de surface concave. La cible (T), c'est-à-dire une fibre optique (F) à une âme ou un faisceau de fibres optiques est située approximativement dans l'axe optique (Z) mais elle est décalée axialement d'une seconde distance à partir du centre de courbure.

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