Optical storage capacity of volume holograms with random phase-coded multiplexing

Ren-Han Tsou; Ching-Cherng Sun; Jenq-Yang Chang; Ming-Wen Chang

doi:10.1117/12.255470

25 October 1996 Optical storage capacity of volume holograms with random phase-coded multiplexing

Ren-Han Tsou, Ching-Cherng Sun, Jenq-Yang Chang, Ming-Wen Chang

Proceedings Volume 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II; (1996) https://doi.org/10.1117/12.255470
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The storage capacity of the random phase-coded volume hologram multiplexing which uses a ground glass as the random phase diffuser is reported. We found that the role of the ground glass imply the storage capacity of the random phase-coded multiplexing. From the experimental results, the tolerance of the position mismatch of the decoding ground glass is with a typical value of decades of micrometers, as reading an image. On the other hand, from the computer simulation, the signal-to-noise ratio of the readout images can be obtained by the pixel size of the ground glass. After mainly considering the tolerance of the position mismatch of the ground glass and the signal-to-noise ratio of the reconstructed image, the storage capacity of the random phase-coded multiplexing can be estimated.

Citation Download Citation

Ren-Han Tsou, Ching-Cherng Sun, Jenq-Yang Chang, and Ming-Wen Chang "Optical storage capacity of volume holograms with random phase-coded multiplexing", Proc. SPIE 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, (25 October 1996); https://doi.org/10.1117/12.255470

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