Abstract
The dispersions of the fifth- and seventh-order nonlinear optical susceptibilities, and , respectively, of a polydiacetylene film, poly(4-BCMU), are determined through electroabsorption spectroscopy. To our knowledge this is the first time that a spectrum of seventh-order nonlinear optical susceptibility has been obtained by means of electro-optic measurements.
© 2000 Optical Society of America
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