Urs P Wild
Articles written in Journal of Chemical Sciences
Volume 103 Issue 3 March 1991 pp 375-381
A review of recent work in which persistent spectral holes have been burnt as laser induced gratings (plane wave holograms) in the inhomogeneously broadened absorption bands of dye doped polymers is presented. The holographic detection technique is compared to the transmission technique and it is shown that a comparison of transmission and holographic hole widths leads to a direct measurement of homogeneous linewidth. Interference between spectrally adjacent gratings is dependent on the relative phase selected during burning. This consideration is important in the analysis of interference between spectrally adjacent gratings which are split through the application of an external electric field. Finally, the influence of the reconstruction symmetry is described.
Volume 103 Issue 3 March 1991 pp 395-400
Time correlated single photon counting was used to investigate solvent dynamics of laser dyes in a polar, viscous solvent. The resolved total luminescence spectra of oxazine 4 in 2-methyltetrahydrofuran (2-MTHF) have been measured and solvent relaxation observed.
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