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In situ SHG monitoring of dipolar orientation and relaxation in Disperse Red type/derivative urethane-urea copolymer

Samoc, Anna; Holland, A S; Tsuchimori, M; Watanabe, O; Samoc, Marek; Luther-Davies, Barry; Kolev, Vesselin Z


We investigated linear optical and second-order nonlinear optical (NLO) properties of films of urethane-urea copolymer (UU2) functionalised with a high concentration of an azobenzene chromophore. The polymer films on ITO-coated substrate were corona poled to induce a noncentrosymmetric organization of chromophore dipoles and data on the second harmonic generated with the laser beam (the fundamental wavelength 1053 nm, 6 ps/pulse, 20 Hz repetition rate) was acquired as a function of time and...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Conference paper
Source: Proceeding of SPIE Nonlinear Optics Applications Volume 5949
DOI: 10.1117/12.622712


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