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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 20 — Jul. 10, 2002
  • pp: 4120–4123

Comparison of direct, rehalogenating, and solvent bleaching processes with BB-640 plates

Manuel Ulibarrena, María J. Méndez, Luis Carretero, Roque Madrigal, and Antonio Fimia  »View Author Affiliations


Applied Optics, Vol. 41, Issue 20, pp. 4120-4123 (2002)
http://dx.doi.org/10.1364/AO.41.004120


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Abstract

Bleaching is one of the key processes in the production of phase holograms with fine grain silver halide emulsions. This step was widely studied for discontinued Kodak, Agfa, and Ilford emulsions, and most of those results have been optimized with small changes for presently available holographic emulsions. A study of the different bleaching techniques with BB-640 holographic emulsions is presented. Some interesting new features found are the high-diffraction efficiencies achieved with direct rehalogenating bleaching and with reversal bleaching, with higher values and better sensitivities than those of classical fixation-free rehalogenating bleaching. In particular, we have found that the highest diffraction efficiency and the lowest scattering is obtained with AAC developer and reversal bleach R-9, with diffraction efficiency values of 82%.

© 2002 Optical Society of America

OCIS Codes
(090.2900) Holography : Optical storage materials
(090.7330) Holography : Volume gratings

History
Original Manuscript: November 14, 2001
Published: July 10, 2002

Citation
Manuel Ulibarrena, María J. Méndez, Luis Carretero, Roque Madrigal, and Antonio Fimia, "Comparison of direct, rehalogenating, and solvent bleaching processes with BB-640 plates," Appl. Opt. 41, 4120-4123 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-20-4120

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