Holographic filter applied to LCD projector for improvement of laser pointer presentation

Serge LM Habraken; Denis Vandormael; Alain Carapelle; Vincent Moreau

doi:10.1117/12.379369

10 March 2000 Holographic filter applied to LCD projector for improvement of laser pointer presentation

Serge LM Habraken, Denis Vandormael, Alain Carapelle, Vincent Moreau

Proceedings Volume 3951, Diffractive/Holographic Technologies and Spatial Light Modulators VII; (2000) https://doi.org/10.1117/12.379369
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

This paper presents the concept and feasibility demonstration of an improvement of the LCD projector optics. An innovative concept of integration of an holographic filter in the optical head allows for laser pointer tracking. The filter retrieves the positioning information of the pointer on a PSD (Position Sensitive Device). The detector is interfaced with the LCD matrix in order to project a pattern on the screen. Several software options can be implemented for remote control of the slide show. We present the holographic geometry optimization, the experimental recording, and results.

Citation Download Citation

Serge LM Habraken, Denis Vandormael, Alain Carapelle, and Vincent Moreau "Holographic filter applied to LCD projector for improvement of laser pointer presentation", Proc. SPIE 3951, Diffractive/Holographic Technologies and Spatial Light Modulators VII, (10 March 2000); https://doi.org/10.1117/12.379369

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