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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 12 — Jun. 15, 1985
  • pp: 1776–1779

Phase gratings formed by induced anisotropy in dyed gelatin plates

Cristina Solano and Roger A. Lessard  »View Author Affiliations


Applied Optics, Vol. 24, Issue 12, pp. 1776-1779 (1985)
http://dx.doi.org/10.1364/AO.24.001776


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Abstract

A mixture of malachite green and ammonium dichromate has been used to photosensitize gelatin films. When this material is irradiated with polarized light an anisotropy is induced with its optical axis parallel to the electric vector of the incident vibration. After proper development of the material, the parts that showed anisotropy present a change in the refractive index of the gelatin independent of the orientation of the optical axis of the exposed part. On this basis the recording material was used to record interference gratings. When the two coherent recording beams had an angle α = 90° between their relative polarizations, the spatial frequency of the resultant phase grating was twice the one presented when α = 0°.

© 1985 Optical Society of America

History
Original Manuscript: November 13, 1984
Published: June 15, 1985

Citation
Cristina Solano and Roger A. Lessard, "Phase gratings formed by induced anisotropy in dyed gelatin plates," Appl. Opt. 24, 1776-1779 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-12-1776

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