Proceedings PaperOptical Bistability And Spatial Light Modulation By Molecular Systems
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A novel spatial light modulator (SLM) based on nonlinear absorption of light by excited molecules is suggested. A kinetic analysis is applied to calculate the relative populations of molecular levels in singlet and triplet manifolds. It is shown that for many actual cases a probe light can be modulated by propagating through a medium excited by another light source. The dependence of the molecular SLM on the photophysical parameters of the SLM medium is discussed. The same type of molecular nonlinearities can be utilized for optical bistability, as is demonstrated for some dyes.