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Applied Physics B

, Volume 59, Issue 5, pp 553–561 | Cite as

Calculation of shear angles in holographic gratings recorded in bleached silver-halide emulsions

  • A. Beléndez
  • I. Pascual
  • R. Fuentes
  • A. Fimia
Article

Abstract

Shearing phenomena in holographic gratings formed in bleached silver-halide emulsions due to chemical processing are evaluated. These effects are introduced because of the inability of emulsion-thickness changes to explain the anomalous detuning of the peak diffraction efficiency from the expected Bragg condition. Experimental results obtained with transmission and reflection gratings are presented and discussed considering shearing effects, and the values of the shear angles calculated from the Bragg-angle deviation measurements are also provided. In order to separate the shearing phenomenon and the shrinkage of the emulsion layer, a rehalogenating bleach without fixing is used because this bleach bath introduces a minimal change in the thickness of the emulsion. The influences of exposure, spatial frequency and slant angle on shear angles are briefly analyzed and discussed.

PACS

42.40.Dp 42.40.Ht 

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • A. Beléndez
    • 1
  • I. Pascual
    • 2
  • R. Fuentes
    • 2
  • A. Fimia
    • 2
  1. 1.Departamento de Ingeniería de Sistemas y ComunicacionesUniversidad de AlicanteAlicanteSpain
  2. 2.Laboratorio de Optica, Departamento Interuniversitario de OpticaUniversidad de AlicanteAlicanteSpain

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