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Applied Optics

Applied Optics


  • Vol. 28, Iss. 20 — Oct. 15, 1989
  • pp: 4393–4400

Microwave drying effects on dichromated gelatin holograms

José M. Rebordão and Ana A. Andrade  »View Author Affiliations

Applied Optics, Vol. 28, Issue 20, pp. 4393-4400 (1989)

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Exposing dichromated gelatin holograms to microwave radiation considerably increases their resistance to heating, either for wide or narrowband holograms. No wavelength shift was observed for the former and only a small shift was observed for the latter. This behavior can be explained in the framework of Chang's models, taking into account the effects of microwaves on polar molecules and the potential positions of the water molecules within the medium. These results and their interpretation suggest further experiments to measure the different environments of the water molecules inside the gelatin and to use microwaves at the resonance frequencies of the water.

© 1989 Optical Society of America

Original Manuscript: January 5, 1989
Published: October 15, 1989

José M. Rebordão and Ana A. Andrade, "Microwave drying effects on dichromated gelatin holograms," Appl. Opt. 28, 4393-4400 (1989)

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  1. B. J. Chang, “Dichromated Gelatin Holograms and Their Applications,” Opt. Eng. 19, 642–648 (1980). [CrossRef]
  2. R. K. Curran, T. A. Shankoff, “The Mechanism of Hologram Formation is Dichromated Gelatin,” Appl. Opt. 9, 1651–1657 (1970). [CrossRef] [PubMed]
  3. O. Salminen, T. Keinonen, “On Absorption and Refractive Index Modulations of Dichromated Gelatin Gratings,” Opt. Acta 29, 531–540 (1982). [CrossRef]
  4. M. Djabourov, “La Gélification Thermoréversible du Système Eau-Gelatine,” Thèse de Doctorat d'Etat es Sciences Physiques, Paris, U. Pierre et Marie Curie (1986).
  5. J. Kosar, Light Sensitive Systems (Wiley, New York, 1965), Chap. 2.
  6. H. J. Van Zante, The Microwave Oven (Houghton Mifflin, Boston, 1973).
  7. J. M. Rebordão, A. A. Andrade, “Microwave Drying Effects on Dichromated Gelatin Holograms,” Proc. Soc. Photo-Opt. Instrum. Eng. 1051, 96–103 (1989).

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