Acylindrical optical devices and method of manufacture

Details Acylindrical optical devices and method of manufacture Acylindrical optical devices and method of manufacture

G - Physics

02

B

G02B 23/24 (2006.01)

Patent

CA 2538180

A lens assembly (22) and method for manufacture. The lens assembly includes at least one lens element (23), with multiple sawn planar faces (30-33) formed parallel to an optical axis (21) and spaced equidistantly from the optical axis so the lens element has a polygonal cross section. Each lens element has a centered, rotationally symmetric characteristic so the overall assembly has a corresponding characteristic. The manufacture includes the step of utilizing oversized conventional cylindrical lens elements and other optical elements formed into lens systems. The faces are sawn to reduce the overall size. A circumscribing sheath provides a segmental lumen along each face.

L'invention concerne un ensemble lentille (22), ainsi que son procédé de production. Cet ensemble lentille comprend au moins un élément lentille (23) comportant plusieurs faces planes sciées (30-33) qui sont formées de manière à s'étendre parallèlement à un axe optique (21), à une distance identique de cet axe optique, de sorte que l'élément lentille présente une section transversale polygonale. Chaque élément lentille présente une symétrie centrale de rotation, de sorte que l'ensemble lentille dans sa totalité présente une symétrie correspondante. La production de cette lentille comprend l'étape consistant à utiliser des éléments lentille cylindriques traditionnels surdimensionnés et d'autres éléments optiques pour former des systèmes de lentille. Les faces sont sciées pour réduire les dimensions totales. Un manchon circonscrivant définit une lumière segmentale le long de chaque face.

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