Linear Optical Properties of Organic Dye Doped Poly Methyl Methacrylate and Titanium Dioxide Nanoparticle

Abstract

 In this paper (absorption and fluorescence) spectral properties of  organic laser dyes  for Aurintricarboxylic Acid compound (s) have been investigated,  dissolved in Dimethyl sulfoxide (DMSO) prepare(10^-4and 10^-5) at (25⁰c) temperature.  The experimental results show to an increase the intensities of absorption with the concentration increasing, this result  which are found in agreement with Beer – Lambert law, these results have been also point out to shift  in the absorption spectral range and fluorescence with a expansion in the direction of short wavelength with high energy, the quantum yield of the dissolved compound (s)  in Dimethyl sulfoxide DMSO has been calculated for thin film  for pure dye and use polymer (PMMA) with dye and use Titanium dioxide nanoparticle with dye and polymer with thickness (100, 120 and 140) nm respectively, radiative lifetime  for thin film with dye add  polymer and thin film with dye add polymer and nanoparticle become less when we compare with pure dye also quantum efficiency  increase when we  use   polymer and nanoparticle, thus we can use this material as laser active media.