Temperature dependence of degenerate four wave mixing in azo dye doped polymer films
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Experimental results of the temperature dependence of the nonlinear optical response of disperse red 1 and methyl red doped in polystyrene film in the range 90-290 K are reported. It is found that the phase conjugate signal intensity resulting from degenerate four wave mixing is decreased by an order of magnitude at low temperature. The decay time of the recorded grating at fixed pump intensity also decreases with decreasing temperature.
author list (cited authors)
Tomov, I. V., Dutton, T. E., VanWonterghem, B., & Rentzepis, P. M.