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Title: Ghost imaging for three-dimensional optical security
Authors: Chen, W. 
Chen, X. 
Issue Date: 25-Nov-2013
Citation: Chen, W., Chen, X. (2013-11-25). Ghost imaging for three-dimensional optical security. Applied Physics Letters 103 (22) : -. ScholarBank@NUS Repository.
Abstract: Ghost imaging has become increasingly popular in quantum and optical application fields. Here, we report three-dimensional (3D) optical security using ghost imaging. The series of random phase-only masks are sparsified, which are further converted into particle-like distributions placed in 3D space. We show that either an optical or digital approach can be employed for the encoding. The results illustrate that a larger key space can be generated due to the application of 3D space compared with previous works. © 2013 AIP Publishing LLC.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.4836995
Appears in Collections:Staff Publications

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