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Novel Experimental Protocol for Studying Temporal Decay of Second-Order Nonlinear Optical Polymer Properties: Quantitative Analysis of Coupling to Polymer Dynamics and Conditions for Temporal Stability

Published online by Cambridge University Press:  16 February 2011

Ali Dhinojwala ,
Jacob C. Hooker  and
John M. Torkelson
Ali Dhinojwala
Affiliation:
Department of Chemical Engineering, Northwestern University Evanston, IL 60208–3120
Jacob C. Hooker
Affiliation:
Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208–3120
John M. Torkelson
Affiliation:
Department of Chemical Engineering, Northwestern University Evanston, IL 60208–3120 Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208–3120
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Abstract

A new experimental approach has been developed which allows characterization of rotational dynamics of NLO chromophores in amorphous polymers over 12 decades in time, from 10-6 to 106 sec. Measurements over such a broad distribution in relaxation times are important not only in determining how the chromophore orientational dynamics are coupled to polymer dynamics but also in making accurate predictions of the temporal stability of technological interest. In particular, accurate characterization over a broad range of time scales reveals that NLO polymers meet technological requirements more easily than is predicted using a less complete characterization.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 328: Symposium Q – Electrical, Optical, and Magnetic Properties of Organic Solid State Materials , 1993 , 443
Copyright
Copyright © Materials Research Society 1994

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References

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