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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 16 — Aug. 15, 1996
  • pp: 1295–1297

Compact read-only memory with lensless phase-conjugate holograms

Feng Zhao and Koichi Sayano  »View Author Affiliations


Optics Letters, Vol. 21, Issue 16, pp. 1295-1297 (1996)
http://dx.doi.org/10.1364/OL.21.001295


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Abstract

A new approach to holographic storage that uses lensless phase-conjugate holograms is proposed and demonstrated. Near-field holography is used for data recording, and a phase-conjugate reference beam is used for data retrieval. The data array can be directly transferred from the storage medium to the sensor without the need for imaging optics. It is shown that large space–bandwidth product holographic images (N × N > 106) with pixel sizes of a few micrometers are feasible with a reasonable-sized recording material.

© 1996 Optical Society of America

History
Original Manuscript: February 20, 1996
Published: August 15, 1996

Citation
Feng Zhao and Koichi Sayano, "Compact read-only memory with lensless phase-conjugate holograms," Opt. Lett. 21, 1295-1297 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-16-1295

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