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Applied Optics

Applied Optics


  • Vol. 36, Iss. 32 — Nov. 10, 1997
  • pp: 8445–8454

Storage of 1000 holograms with use of a dual-wavelength method

Ernest Chuang and Demetri Psaltis  »View Author Affiliations

Applied Optics, Vol. 36, Issue 32, pp. 8445-8454 (1997)

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We demonstrate the storage of 1000 holograms in a memory architecture that makes use of different wavelengths for recording and readout to reduce the grating decay while retrieving data. Bragg-mismatch problems from the use of two wavelengths are minimized through recording in the image plane and using thin crystals. Peristrophic multiplexing can be combined with angle multiplexing to counter the poorer angular selectivity of thin crystals. Dark conductivity reduces the effectiveness of the dual-wavelength method for nonvolatile readout, and constraints on the usable pixel sizes limit this method to moderate storage densities.

© 1997 Optical Society of America

Original Manuscript: February 10, 1997
Revised Manuscript: May 16, 1997
Published: November 10, 1997

Ernest Chuang and Demetri Psaltis, "Storage of 1000 holograms with use of a dual-wavelength method," Appl. Opt. 36, 8445-8454 (1997)

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