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Optical properties of polycarbonate layers doped with triphenylamine and chlorotricarbonyl diimine rhenium complex have been investigated. The samples have been prepared by spin coating on quartz glass and indium tin oxide (ITO) coated glass substrates. Root mean square surface roughness of the films obtained by atomic force microscopy is low (~3 Å). Optical functions of ITO and doped polymer layer...
We have developed the optical sampling four-wave mixing technique applicable to measurements of the ultrafast dynamical processes in liquid and solid materials. The method is examined to reveal the exciton dynamical processes in GaAs quantum wells at low temperatures. By using the optical sampling principle, this new spectroscopic tool provides well timing-controlled two-color light pulses for excitation...
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