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Optical Limiting in Protonic Doped Bis-Benzothiazole
Published online by Cambridge University Press: 15 February 2011
Abstract
A ∼13% increase in the absorption coefficient is seen by a weak probe beam to build-up exponentially in ∼50 ps and decay in ∼1.4 ns after a ∼30 ps intense pump pulse (∼220 mJ/cm2 ) at 532 nm goes through a bis-benzothiazole/H2SO4 solution. We propose a three-level model to explain the effect and obtain the basic parameters by fitting our data to the model.
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- Copyright © Materials Research Society 1995