Review of Random Phase Encoding in Volume Holographic Storage

Materials

Wei-Chia Su¹ 

[1] Graduate Institute of Phonics, National Changhua University of Education, Changhua 500, Taiwan; E-Mail:

关键词: volume holographic storage;    random phase encoding;    optical security;    optical encryption;    optical sensing;    optical interconnection;    spatial filtering;   

DOI  :  10.3390/ma5091635

来源: mdpi

【 摘 要 】

Random phase encoding is a unique technique for volume hologram which can be applied to various applications such as holographic multiplexing storage, image encryption, and optical sensing. In this review article, we first review and discuss diffraction selectivity of random phase encoding in volume holograms, which is the most important parameter related to multiplexing capacity of volume holographic storage. We then review an image encryption system based on random phase encoding. The alignment of phase key for decryption of the encoded image stored in holographic memory is analyzed and discussed. In the latter part of the review, an all-optical sensing system implemented by random phase encoding and holographic interconnection is presented.

【 授权许可】

CC BY   
© 2012 by the authors; licensee MDPI, Basel, Switzerland.