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Design and fabrication of stacked, computer generated holograms for multicolor image generation

: Kampfe, T.; Kley, E.B.; Tünnermann, A.; Dannberg, P.


Applied optics 46 (2007), No.22, pp.5482-5488
ISSN: 0003-6935
ISSN: 1539-4522
ISSN: 1559-128X
Journal Article
Fraunhofer IOF ()
optical elements; phase

We present a diffractive optical element consisting of computer-generated holograms and dielectric multilayer mirrors in a stratified setup. Illuminated with a white laser beam, consisting of three single lasers with wavelengths of 635 nm, 543 nm, and 473 nm, this element enables the far field projection of arbitrary, multicolor images. Certain advantages of holographic image generation, e.g., the possibility of a large depth of focus and a very easy optical setup, are maintained with the new element.