Photoconductive activated light valve for high-definition projection system

Garth W. Gobeli; Thomas M. Toor

doi:10.1117/12.60361

1 July 1992 Photoconductive activated light valve for high-definition projection system

Garth W. Gobeli, Thomas M. Toor

Proceedings Volume 1664, High-Resolution Displays and Projection Systems; (1992) https://doi.org/10.1117/12.60361
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

A novel SLM based on a two dimensional array of Kerr cell shutters, the electrodes of which have been deposited on PLZT, has been proposed and initial measurements on such devices have been made. The cell or pixel density is 1000 per inch by 500 per inch and operating voltage for 30 light transmission is less than 50 volts. Extension of 1250 X 1250 per inch is the next step. The Kerr cells may be either photo-activated or may be electronically addressed. Pixel to pixel contrast ratios in excess of 750 to 1 have been measured, which implies that the device could have applications as an optical computer element.

Citation Download Citation

Garth W. Gobeli and Thomas M. Toor "Photoconductive activated light valve for high-definition projection system", Proc. SPIE 1664, High-Resolution Displays and Projection Systems, (1 July 1992); https://doi.org/10.1117/12.60361

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