We examine, both theoretically and experimentally, the temperature dependence of the nonlinear optical response of fluorescein doped boric-acid glass. The third-order nonlinear susceptibility is increased by an order of magnitude over its room temperature value to greater than 10 esu by cooling the sample to a temperature below 200 K.
© 1990 Optical Society of America
Wayne R. Tompkin, Michelle S. Malcuit, and Robert W. Boyd, "Enhancement of the nonlinear optical properties of fluorescin doped boric-acid glass through cooling," Appl. Opt. 29, 3921-3926 (1990)