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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 15 — Aug. 1, 2003
  • pp: 1356–1358

Compact confocal readout system for three-dimensional memories using a laser-feedback semiconductor laser

Masaharu Nakano and Yoshimasa Kawata  »View Author Affiliations


Optics Letters, Vol. 28, Issue 15, pp. 1356-1358 (2003)
http://dx.doi.org/10.1364/OL.28.001356


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Abstract

We present a compact confocal readout system for three-dimensional optical memories that uses the thresholding property of a semiconductor laser for feedback light. The system has higher axial resolution than a conventional confocal system with a pinhole. We demonstrate readout results for data recorded in two recording layers with the developed system.

© 2003 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(180.1790) Microscopy : Confocal microscopy
(180.6900) Microscopy : Three-dimensional microscopy
(210.0210) Optical data storage : Optical data storage

Citation
Masaharu Nakano and Yoshimasa Kawata, "Compact confocal readout system for three-dimensional memories using a laser-feedback semiconductor laser," Opt. Lett. 28, 1356-1358 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-15-1356

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