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Optical Engineering

Improvement of holographic thermal stability in phenanthrenequinone-doped poly(methyl methacrylate-co-methacrylic acid) photopolymer
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Paper Abstract

Experimental studies of holographic thermal stability in phenanthrenequinone (PQ)-doped poly(methyl methacrylate-co-methacrylic acid) [P(MMA-co-MAA)] photopolymers are presented. A possibility to improve the thermal stability of holograms is demonstrated by doping methacrylic acid (MAA) into the poly(methyl methacrylate) (PMMA) polymer matrix. MAA as a copolymerization monomer can form a more stable polymer matrix with methyl methacrylate (MMA) monomer and increase average molecular weight of photoproducts, which finally depress the diffusion of photoproduct. The optimized MAA concentration copolymerized into P(MMA-co-MAA) polymer matrix can bring nearly a month's lifetime of gratings, which is obviously an improvement over the usual PQ-PMMA material under thermal treatment.

Paper Details

Date Published: 1 August 2011
PDF: 6 pages
Opt. Eng. 50(8) 085803 doi: 10.1117/1.3614567
Published in: Optical Engineering Volume 50, Issue 8
Show Author Affiliations
Dan Yu, Harbin Institute of Technology (China)
Heng Wang, Harbin Institute of Technology (China)
Jian Wang, Harbin Institute of Technology (China)
Yongyuan Jiang, Harbin Institute of Technology (China)
Xiudong Sun, Harbin Institute of Technology (China)
Hongpeng Liu, Civil Aviation Univ. of China (China)

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