TITLE

Intensity dependence of picosecond nonlinear response time of polydiacetylene

AUTHOR(S)
Yang, Lina; Dorsinville, R.; Ho, P. P.; Zou, W. K.; Yang, N. L.; Alfano, R. R.
PUB. DATE
November 1988
SOURCE
Applied Physics Letters;11/21/1988, Vol. 53 Issue 21, p2008
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The relaxation time of the transient degenerate four-wave mixing grating in 4-butoxycarbonylmethylurethane polydiacetylene in polymethylmethacrylate matrix films has been found to be laser energy fluence dependent. This phenomenon is attributed to a transient reversible light-induced structure change in polydiacetylene films, involving a cooperative effect originating from side-chain intramolecular hydrogen bonding.
ACCESSION #
9828836

 

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