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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 3 — Jan. 20, 2013
  • pp: 489–494

Effect of glycerol on a diacetone acrylamide-based holographic photopolymer material

Dervil Cody, Izabela Naydenova, and Emilia Mihaylova  »View Author Affiliations


Applied Optics, Vol. 52, Issue 3, pp. 489-494 (2013)
http://dx.doi.org/10.1364/AO.52.000489


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Abstract

The composition of the low-toxicity, environmentally compatible diacetone acrylamide (DA) photopolymer has been modified with the inclusion of different additives. The addition of glycerol to the photopolymer composition is described. Results show that the incorporation of glycerol results in a uniform maximum refractive-index modulation for recording intensities in the range of 120mW/cm2. This may be attributed to glycerol’s nature as a plasticizer, which allows for faster diffusion of an unreacted monomer within the grating during holographic recording. An optimum recording intensity of 0.5mW/cm2 is observed for exposure energies of 2060mW/cm2. The modified photopolymer achieves a refractive-index modulation of 2.2×103, with diffraction efficiencies up to 90% in 100 μm layers. Glycerol has also shown to reduce the rate of photobleaching of the DA photopolymer. This is possibly due to more prevalent inhibition effects caused by increased oxygenation of the photopolymer layers. The stability of the photopolymer samples is also improved with the addition of glycerol.

© 2013 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(160.0160) Materials : Materials

ToC Category:
Materials

History
Original Manuscript: September 10, 2012
Revised Manuscript: November 19, 2012
Manuscript Accepted: November 21, 2012
Published: January 17, 2013

Citation
Dervil Cody, Izabela Naydenova, and Emilia Mihaylova, "Effect of glycerol on a diacetone acrylamide-based holographic photopolymer material," Appl. Opt. 52, 489-494 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-3-489

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