COMPACT PHOTOMETRIC APPARATUS FOR RECONSTRUCTING A HOLOGRAM

Abstract: the lighting device comprises an optical block having a coupling portion with a coupling face which is arranged to couple light into the optical block and a waveguide portion extending away from the coupling portion and designed to guide the light by multiple reflection between an upper face and a lower face of the waveguide portion. the optical block also comprises a holographical optical element that is formed in the waveguide portion and is designed to reconstruct a hologram by means of the light.

Inventor(s): Siemen KÜHL

CPC Classification: F21S43/26411 ({Two or more successive refractors})

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