NASA NTRS · 19740004535
PLZT block data composers operated in differential phase mode
Abstract
The use of a PLTZ block data composer as a matrix type phase modulator to record and process digital data by the differential phase mode in a holographic recording/processing system was investigated. The system has readout contrast ratios of between 10 and 15 to 1. The differential phase mode has the advantage that strain bias is not required and thickness and strain variations in the PLZT are cancelled out.
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Drake, M. D., Klingler, D. E.. 1973-01-01. PLZT block data composers operated in differential phase mode. https://ntrs.nasa.gov/citations/19740004535
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