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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 6 — Feb. 20, 2014
  • pp: 1052–1062

Comparison of a new photosensitizer with erythrosine B in an AA/PVA-based photopolymer material

Yue Qi, Haoyu Li, Jean Pierre Fouassier, Jacques Lalevée, and John T. Sheridan  »View Author Affiliations


Applied Optics, Vol. 53, Issue 6, pp. 1052-1062 (2014)
http://dx.doi.org/10.1364/AO.53.001052


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Abstract

Dyes often act as the photoinitiator PI/photosensitizer PS in photopolymer materials and are therefore of significant interest. The properties of the PI/PS used strongly influences grating formation when the material layer is exposed holographically. In this paper, the ability of a recently synthesized dye, D_1, to sensitize an acrylamide/polyvinyl alcohol (AA/PVA) based photopolymer is examined, and the material performance is characterized using an extended nonlocal photopolymerization-driven diffusion model. Electron spin resonance spin-trapping (ESR-ST) experiments are also carried out to characterize the generation of the initiator/primary radical, R, during exposure. The results obtained are then compared with those for the corresponding situation when using a xanthene dye, i.e., erythrosine B, under the same experiment conditions. The results indicate that the nonlocal effect is greater when this new photosensitizer is used in the material. Analysis indicates that this is the case because of the dye’s (D_1) weak absorptivity and the resulting slow rate of primary radical production.

© 2014 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(090.0090) Holography : Holography
(090.2900) Holography : Optical storage materials
(160.5470) Materials : Polymers
(160.5335) Materials : Photosensitive materials

ToC Category:
Materials

History
Original Manuscript: November 15, 2013
Revised Manuscript: December 18, 2013
Manuscript Accepted: December 30, 2013
Published: February 12, 2014

Virtual Issues
Vol. 9, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Yue Qi, Haoyu Li, Jean Pierre Fouassier, Jacques Lalevée, and John T. Sheridan, "Comparison of a new photosensitizer with erythrosine B in an AA/PVA-based photopolymer material," Appl. Opt. 53, 1052-1062 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-6-1052

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