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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 17 — Jun. 10, 2001
  • pp: 2871–2875

Improving the Holographic Sensitivity of Dichromated Gelatin in the Blue-Green Part of the Spectrum by Sensitization with Xanthene Dyes

Dejan Pantelic and Branka Muric  »View Author Affiliations


Applied Optics, Vol. 40, Issue 17, pp. 2871-2875 (2001)
http://dx.doi.org/10.1364/AO.40.002871


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Abstract

The holographic properties of dichromated gelatin (DCG) sensitized with various xanthene dyes were studied, and results are reported. The sensitivity of dyed DCG in the green part of the spectrum compared with that of pure DCG (215 mJ/cm<sup>2</sup>) was significantly improved by addition of Rhodamine 6G (140 mJ/cm<sup>2</sup>) or Erythrosin B (90 mJ/cm<sup>2</sup>). Diffraction gratings were recorded with a He–Ne laser at 543.5 nm. The maximum diffraction efficiency was found to be 32% at normal incidence of the readout beam; it was 80% at the Bragg angle.

© 2001 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.2900) Holography : Optical storage materials

Citation
Dejan Pantelic and Branka Muric, "Improving the Holographic Sensitivity of Dichromated Gelatin in the Blue-Green Part of the Spectrum by Sensitization with Xanthene Dyes," Appl. Opt. 40, 2871-2875 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-17-2871

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