Performance of multilevel error correction in binary holographic memory

Jay C. Hanan; Tien-Hsin Chao; George F. Reyes

doi:10.1117/12.548068

12 April 2004 Performance of multilevel error correction in binary holographic memory

Jay C. Hanan, Tien-Hsin Chao, George F. Reyes

Proceedings Volume 5437, Optical Pattern Recognition XV; (2004) https://doi.org/10.1117/12.548068
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

At the Optical Computing Lab in the Jet Propulsion Laboratory (JPL) a binary holographic data storage system was designed and tested with methods of recording and retrieving the binary information. Levels of error correction were introduced to the system including pixel averaging, thresholding, and parity checks. Errors were artificially introduced into the binary holographic data storage system and were monitored as a function of the defect area fraction, which showed a strong influence on data integrity. Average area fractions exceeding one quarter of the bit area caused unrecoverable errors. Efficient use of the available data density was discussed.

Citation Download Citation

Jay C. Hanan, Tien-Hsin Chao, and George F. Reyes "Performance of multilevel error correction in binary holographic memory", Proc. SPIE 5437, Optical Pattern Recognition XV, (12 April 2004); https://doi.org/10.1117/12.548068

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