Holographic data storage by image folding

Ju-Seog Jang; Dong-Hak Shin

doi:10.1117/12.409234

17 November 2000 Holographic data storage by image folding

Ju-Seog Jang, Dong-Hak Shin

Proceedings Volume 4109, Critical Technologies for the Future of Computing; (2000) https://doi.org/10.1117/12.409234
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

In order to obtain a small spot size of the data-bearing signal beam with a uniform intensity distribution at the recording plane, we studied an image folding technique using a lenslet array. The use of such a signal beam may improve the area storage density in holographic memories with a disk-shape storage medium. Computer simulations show that our technique based on image folding can give better results than the defocusing method does both in the intensity uniformity of the signal beam and in the area storage density.

Citation Download Citation

Ju-Seog Jang and Dong-Hak Shin "Holographic data storage by image folding", Proc. SPIE 4109, Critical Technologies for the Future of Computing, (17 November 2000); https://doi.org/10.1117/12.409234

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