Holographic optical components for high-brightness single-LCD projectors

Cecile Joubert; Brigitte Loiseaux; Anne Delboulbe; Jean-Pierre Huignard; Khaled Sarayeddine; Eric Marcellin-Dibon

doi:10.1117/12.273862

8 May 1997 Holographic optical components for high-brightness single-LCD projectors

Cecile Joubert, Brigitte Loiseaux, Anne Delboulbe, Jean-Pierre Huignard, Khaled Sarayeddine, Eric Marcellin-Dibon

Proceedings Volume 3013, Projection Displays III; (1997) https://doi.org/10.1117/12.273862
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

The optical efficiency of a single-LCD projector can be improved by 'spatio-chromatic illumination' method. It consists of an angular separation of the three primary colors combined with a focusing of each color in the corresponding pixel by a microlens array. To perform the spatio-chromatic illumination we present two innovative systems based on volume holographic components. The dispersion property of these components realizes the angular separation of the primary colors, the focusing being performed either by classical or holographic microlens. A complete luminous efficiency analysis of spatio-chromatic illumination with volume holographic elements is reported. The luminous flux analysis will take into account etendue limitation considerations. Experimental results will be given for a prototype of single-LCD projector using a volume holographic grating.

Citation Download Citation

Cecile Joubert, Brigitte Loiseaux, Anne Delboulbe, Jean-Pierre Huignard, Khaled Sarayeddine, and Eric Marcellin-Dibon "Holographic optical components for high-brightness single-LCD projectors", Proc. SPIE 3013, Projection Displays III, (8 May 1997); https://doi.org/10.1117/12.273862

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