Increase of signal-to-noise ratio of a collinear holographic storage system with reference modulated by a ring lens array

Ching Cherng Sun, Yeh Wei Yu, Chih Yuan Chen

研究成果: 雜誌貢獻期刊論文同行評審

26 引文 斯高帕斯(Scopus)

摘要

We propose an approach of a reference modulation in a collinear holographic storage system to increase the signal-to-noise ratio (SNR). We derive a solution that shows that the point-spread function is related to the autocorrelation function of the reference pattern times a defocusing phase term. Accordingly, the lens-array phase modulation is proposed and demonstrated theoretically. The SNR of the system can be dramatically enhanced to 63.2, rather than 2.3 in the traditional approach.

原文???core.languages.en_GB???
頁(從 - 到)1130-1132
頁數3
期刊Optics Letters
35
發行號8
DOIs
出版狀態已出版 - 15 4月 2010

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