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Conferences > CLEO > 1994 > CTuJ > CTuJ4
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CTuJ4

Prolonged readout of photorefractive holograms by replay at a longer wavelength

A. Aharoni, M. Jeganathan, M. C. Bashaw, and L. Hesselink

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Abstract

Photorefractive materials offer important advantages in many optical holography applications, but the recorded images typically remain sensitive to light and therefore erase on readout. Thermal fixing, electrical fixing, and system-level image refreshing procedures have been used to sustain the recorded image during replay.1 We propose a novel approach that overcomes the unfavorable speed and poor diffraction efficiency of fixing and the complexity of refresh procedures.

© 1994 Optical Society of America

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