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Synthesis and Second-Order Nonlinear Optical Properties of New Coumaromethacrylate-Methylmethacrylate Copolymers

Published online by Cambridge University Press:  25 February 2011

R. A. Henry ,
J. M. Hoover ,
A. Knoesen ,
S. T. Kowel ,
G. A. Lindsay  and
M. A. Mortazavi
R. A. Henry
Affiliation:
Chemistry Division, Research Department, Naval Weapons Center, China Lake, CA 93555-6001
J. M. Hoover
Affiliation:
Chemistry Division, Research Department, Naval Weapons Center, China Lake, CA 93555-6001
A. Knoesen
Affiliation:
Organized Research Program on Polymeric Ultrathin Film Systems, Department of Electrical Engineering and Computer Science, University of California, Davis, CA 95616
S. T. Kowel
Affiliation:
Organized Research Program on Polymeric Ultrathin Film Systems, Department of Electrical Engineering and Computer Science, University of California, Davis, CA 95616
G. A. Lindsay
Affiliation:
Chemistry Division, Research Department, Naval Weapons Center, China Lake, CA 93555-6001
M. A. Mortazavi
Affiliation:
Organized Research Program on Polymeric Ultrathin Film Systems, Department of Electrical Engineering and Computer Science, University of California, Davis, CA 95616
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Abstract

The synthesis and second-order nonlinear optical (NLO) properties of a new family of optically nonlinear coumarin dye-containing polymers is reported. Polymerizable coumaromethacrylate (CMA) monomers having various alkyl spacers (C2 to C5) between the polymerizable group and the chromophore were prepared and copolymerized with methylmethacrylate (MMA) and other vinyl monomers. The CMA copolymers had high chromophoric content (up to 18 × 1020) and glass transitions as high as 132°C. Spin cast films were prepared on BK7 substrates and oriented by corona-onset poling at elevated temperatures (COPET). The poled CMA copolymer films were characterized for spectroscopic absorption and second harmonic properties. A comparison of the nonlinear optical properties of poled CMA-MMA copolymers to poled guest-host systems is made. Relative to guest/host systems, CMA-MMA copolymer films exhibit larger and much more stable second-order nonlinear optical properties.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 173: Symposium Q – Advanced Organic Solid State Materials , 1989 , 601
Copyright
Copyright © Materials Research Society 1990

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References

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