Digital Holographic Encryption Using Electrically Addressed Phase Key Masks
Chau-Jern Cheng, Jin-Wen Chou, Yi-Ta Lee, Xin-Ji Lai, Han-Yen Tu, Jen-Shiun Chiang · 2009
This work describes a novel digital holographic Fresnel encryption scheme using computer-programmable random phase key masks, which are performed by electrically addressed liquid-crystal spatial light modulators for securing data via on-line optical processing.