Platy optical element and production method therefor

Details Platy optical element and production method therefor Platy optical element and production method therefor

G - Physics

02

B

G02B 27/28 (2006.01) G02B 5/30 (2006.01)

Patent

CA 2378119

A plurality of platy optical elements, capable of downsizing an optical device by using an octagonal shape and being positively fixed to the inner bore of a permanent magnet by brazing, are efficiently cut out of a large-area platy optical material. Circular, round or oval, punched holes (11, 12...) with their centers located at the crossing points (P1, P2...) of dividing lines (C1..., C2...) dividing a platy optical material (10) laterally and longitudinally are formed in a plate surface, the plate surface of the optical material (10) provided with the holes (11, 12...) is cut laterally and longitudinally, and a plurality of platy optical elements each providing an almost octagonal outer shape formed by four each of alternately continuous linear sides and arcuate sides are obtained.

L'invention concerne une pluralité d'éléments optiques lamellaires, capables de réduire un dispositif optique en utilisant une forme octogonale, et fixés positivement à l'alésage interne d'un aimant permanent par brasage. Ces éléments sont découpés de manière efficace dans un matière optique lamellaire de large zone. Des perforations circulaire, ronde ou ovale (11, 12 ), avec leurs centres situés aux points d'intersection (P1, P2 ) de lignes de division (C1 , C2 ) divisant la matière optique lamellaire (10) latéralement et longitudinalement, sont ménagées dans une surface plane. Cette surface plane de la matière optique (10) fournie avec les perforations (11, 12 ) est découpée latéralement et longitudinalement, et une pluralité d'éléments optiques lamellaires fournissant chacun une forme extérieure presque octogonale formée par quatre côtés alternativement linéaires continus ou arqués.

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