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Media 1: Four-dimensional key design in amplitude, phase, polarization and distance for optical encryption based on polarization digital holography and QR code

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posted on 25.08.2014, 00:00 by Chao Lin, Xueju Shen, Baochen Li
Originally published in Optics Express on 25 August 2014 (oe-22-17-20727)

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