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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 24 — Dec. 15, 1985
  • pp: 4460–4466

Holograms in dichromated gelatin: real-time effects

J. C. Newell, L. Solymar, and A. A. Ward  »View Author Affiliations


Applied Optics, Vol. 24, Issue 24, pp. 4460-4466 (1985)
http://dx.doi.org/10.1364/AO.24.004460


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Abstract

The dynamic properties of dichromated gelatin plates are investigated during exposure by illuminating them first by a single plane wave and second by two interfering plane waves produced from an argon-ion laser at 514.5 nm. The grating recorded is shown to be a pure absorption grating. The experimental results obtained for the output beam intensities as a function of time are compared with the predictions of a theoretical model, and reasonable agreement is found. It is further shown that owing to the effect of a humid atmosphere, the recorded grating may self-develop into a phase grating of much higher efficiency.

© 1985 Optical Society of America

History
Original Manuscript: July 8, 1985
Published: December 15, 1985

Citation
J. C. Newell, L. Solymar, and A. A. Ward, "Holograms in dichromated gelatin: real-time effects," Appl. Opt. 24, 4460-4466 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-24-4460


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References

  1. T. A. Shankoff, “Phase Holograms in Dichromated Gelatin,” Appl. Opt. 7, 2101 (1968). [CrossRef] [PubMed]
  2. D. Meyerhofer, “Spatial Resolution of Relief Holograms in Dichromated Gelatin,” Appl. Opt. 10, 416 (1971). [CrossRef] [PubMed]
  3. D. Meyerhofer, “Phase Holograms in Dichromated Gelatin,” RCA Rev. 33, 110 (1972).
  4. S. Calixto, R. A. Lessard, “Real-Time Holography with Undeveloped Dechromated Gelatin Films,” Appl. Opt. 23, 1989 (1984). [CrossRef] [PubMed]
  5. W. J. Tomlinson, G. D. Aumiller, “Techniques for Measuring Refractive Index Changes in Photochromic Materials,” Appl. Opt. 14, 1100 (1975). [CrossRef] [PubMed]
  6. B. W. Batterman, H. Cole, “Dynamical Diffraction of X-Rays by Perfect Crystals,” Rev. Mod. Phys. 36, 681 (1964). [CrossRef]
  7. P. St. J. Russell, L. Solymar, “Borrman-Like Anomalous Effects in Volume Holography,” Appl. Phys. 22, 335 (1980). [CrossRef]
  8. H. Kogelnik, “Coupled Wave Theory for Thick Hologram Gratings,” Bell. Syst. Tech. J. 48, 2909 (1969).
  9. L. Solymar, D. J. Cooke, Volume Holography and Volume Gratings (Academic, New York, 1981).
  10. One could in general determine α0 and α1 by a Fourier expansion of α(x,y,t) in the y direction, but it is rather time-consuming to do so. We used instead an approximate method in which we work out the absorption coefficient only at the maxima [αmax(x,t)] and minima [αmin(x,t)] of the interference pattern and determine α0 and α1 from the relationships α0 = (αmax + αmin)/2 and α1 = (αmax − αmin)/2.
  11. B. J. Chang, C. D. Leonard, “Dichromated Gelatin for the Fabrication of Holographic Optical Elements,” Appl. Opt. 18, 2407 (1979). [CrossRef] [PubMed]
  12. R. R. A. Syms, L. Solymar, “Planar Volume Phase Holograms Formed in Bleached Photographic Emulsions,” Appl. Opt. 22, 1479 (1983). [CrossRef] [PubMed]

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