Diffusing imager and associated methods

Details Diffusing imager and associated methods Diffusing imager and associated methods

G - Physics

03

H

G03H 1/08 (2006.01) G02B 5/32 (2006.01) G03H 1/28 (2006.01)

Patent

CA 2329924

A diffusing function and a lens function are provided on a single surface which is formed from a computer generated hologram including free form regions (56) having a phase shift and the hologram being shifted within the free form regions by the phase shift relative to the hologram outside the free form regions and zero (52) and PI (50) regions are transposed in the free form regions.

Une surface unique présente une fonction de diffusion et une fonction de lentille une telle structure pouvant être formée à partir d'un hologramme généré par ordinateur comprenant des régions de formes libres (56) à commutation de phase associée, c'est-à-dire que l'hologramme généré par ordinateur est commuté dans les régions de formes libres par la commutation de phase relative à l'hologramme généré par ordinateur à l'extérieur des régions de formes libres, les régions zéro (52) et PI (50) étant transposées dans les régions de formes libres.

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