TITLE

Diffraction gratings and diffusion coefficient determination of acrylamide and polyacrylamide in sol-gel glass

AUTHOR(S)
Blaya, S.; Murciano, A.; Acebal, P.; Carretero, L.; Ulibarrena, M.; Fimia, A.
PUB. DATE
June 2004
SOURCE
Applied Physics Letters;6/7/2004, Vol. 84 Issue 23, p4765
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We describe the recording of holographic gratings in a photopolymerizable sol-gel glass based on acrylamide as monomer, triethanolamine as coinitiator, and yellowish eosin as photoinitiator. Although acrylic monomers have been introduced in silica glass by Cheben and Calvo [Appl. Phys. Lett. 78, 1490 (2001)], the well-known acrylamide based composition has not yet been produced by this method. Diffraction efficiencies close to 55% were obtained with an exposure of 8 mJ/cm2. The holographic gratings were not stable and we made use of this instability to determine the diffusion coefficients of acrylamide and polyacrylamide inside this glass. © 2004 American Institute of Physics.
ACCESSION #
13203697

 

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