Abstract
Using a highly stable and excellently performed three-component photorefractive (PR) polymer composite, poly(N-vinylcarbazole):1-n-butoxyl-2,5-dimethyl-4-(4'-nitrophenylazo)benzene:2,4,7-trinitro-9-fluorenone, optical image storage was demonstrated. The dark storage time was 5-7 h. The PR response time was measured to be about 200 ms at an intensity of 1 W/cm2 with an applied electric field of 84 V/μm. A proof-of-principle experiment on real-time correction of distorted images based on phase conjugattion of four-wave mixing geometry was also carried out.
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