Optical transmission characteristics of birefringent element are changed by applying voltage to plate. Filters are used on sequential-color television cameras and in color displays. Filters are more convenient and less costly than mechanical color wheels and crystal-based filters.
Electrically-controlled variable-color optical filters
NASA Tech Briefs ; 2 , 1
01.06.1977
Sonstige
Keine Angabe
Englisch
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