Design of nonimaging optical concentrators and illuminators

Details Design of nonimaging optical concentrators and illuminators Design of nonimaging optical concentrators and illuminators

F - Mech Eng,Light,Heat,Weapons

21

V

F21V 7/04 (2006.01) F24J 2/06 (2006.01) F24J 2/10 (2006.01) G02B 5/10 (2006.01)

Patent

CA 2226154

A nonimaging concentrator (50) of light. The concentrator has a shape defined by dR/dphi=Rtanalpha, where R is a radius vector from an origin to a point of reflection of a light edge ray (70) from a reflector surface (90) and phi is an angle between the R vector and an exit aperture (80) of the concentrator and coordinates (R, phi) represent a point on the reflector surface and alpha is an angle the light edge ray from an origin point makes with a normal to the reflector surface.

L'invention concerne un concentrateur (50) de lumière, sans formation d'image. Ce concentrateur de lumière présente une forme définie par la relation dR/d? = Rtan.alpha., où R est un rayon vecteur allant d'un point d'origine à un point de réflexion d'un rayon de lumière marginal (70) de la surface (90) d'un réflecteur, ? est l'angle entre le vecteur R et une ouverture de sortie (80) du concentrateur, les coordonnées (R, ?) représentent un point sur la surface du réflecteur et .alpha. est l'angle que le rayon de lumière marginal, venant du point d'origine, forme avec une perpendiculaire à la surface du réflecteur.

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