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1 October 2004 Decrypting binary phase patterns by amplitude
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Abstract
A method for decrypting a binary phase-only mask using an amplitude-only spatial light modulator key is proposed. The system is based on a double passage through a generalized phase contrast setup. A binary amplitude key is converted to phase for decrypting a binary phase-only encrypted pattern on the first passage. The decrypted phase pattern is subsequently converted to an intensity pattern on the second passage. A compact dual-path system, applicable in reflection geometry, is suggested for this decryption operation.
©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)
Jesper Glückstad, Vincent Ricardo Daria, and Peter John L. Rodrigo "Decrypting binary phase patterns by amplitude," Optical Engineering 43(10), (1 October 2004). https://doi.org/10.1117/1.1783277
Published: 1 October 2004
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