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The photodegradation of a variety of donor-acceptor-substituted azobenzene
nonlinear optical chromophores has been studied. The variables examined tha
t influence the rate of degradation include chromophore and host polymer st
ructure, irradiation wavelength, temperature, and atmosphere. (C) 2000 Opti
cal Society of America [S0740-3224(00)01311-4] OCIS codes: 160.4330, 160.21
00, 190.4400, 260.5130.