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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 10 — May. 15, 1998
  • pp: 756–758

Use of two-photon absorption in a photorefractive crystal for three-dimensional optical memory

Yoshimasa Kawata, Hidekazu Ishitobi, and Satoshi Kawata  »View Author Affiliations


Optics Letters, Vol. 23, Issue 10, pp. 756-758 (1998)
http://dx.doi.org/10.1364/OL.23.000756


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Abstract

We describe the use of two-photon absorption in a photorefractive crystal for recording bit data in multilayered optical memory. A short-pulse near-infrared laser is used for generating the photorefractive effect by two-photon absorption. We succeeded in recording and reading seven layers of data in a LiNbO3 crystal with a lateral resolution (distance between bits) of 5µm and an axial resolution (distance between layers) of 20 µm .

© 1998 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(160.5320) Materials : Photorefractive materials
(210.4680) Optical data storage : Optical memories

Citation
Yoshimasa Kawata, Hidekazu Ishitobi, and Satoshi Kawata, "Use of two-photon absorption in a photorefractive crystal for three-dimensional optical memory," Opt. Lett. 23, 756-758 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-10-756


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