Nonlocal photopolymerization kinetics including multiple termination mechanisms and dark reactions. Part II. Experimental validation
JOSA B, Vol. 26, Issue 9, pp. 1746-1754 (2009)
http://dx.doi.org/10.1364/JOSAB.26.001746
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Abstract
In the first of this series of papers [ J. Opt. Soc. Am. B 26, 1736 (2009) ], a new kinetic model, which includes most of the major photochemical and nonlocal photopolymerization driven diffusion effects, was proposed. Predictions made using the model were presented, and the numerical convergence of these simulations were examined when retaining higher-concentration harmonics. The validity and generality of the model is examined by applying it to fit experimental data for two different types of photopolymer material appearing in the literature. The first of these photopolymer materials involves an acrylamide monomer in a polyvinylalcohol matrix. The second is a more complex photopolymer in an epoxy resin matrix. Using the new model, key material parameters are extracted by numerically fitting experimentally obtained diffraction efficiency growth curves. The growth curves used include data captured both during exposure and post-exposure, allowing examination and analysis of “dark reactions.”
© 2009 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(090.2900) Holography : Optical storage materials
(090.7330) Holography : Volume gratings
(160.5470) Materials : Polymers
(300.1030) Spectroscopy : Absorption
(160.5335) Materials : Photosensitive materials
ToC Category:
Materials
History
Original Manuscript: February 5, 2009
Revised Manuscript: May 12, 2009
Manuscript Accepted: July 15, 2009
Published: August 19, 2009
Citation
Michael R. Gleeson, Shui Liu, Robert R. McLeod, and John T. Sheridan, "Nonlocal photopolymerization kinetics including multiple termination mechanisms and dark reactions. Part II. Experimental validation," J. Opt. Soc. Am. B 26, 1746-1754 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-9-1746
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