Hole burning in the absorption spectrum of chlorin in polymer films: stark effect and temperature dependence |
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| Authors: | Fritz A. Burkhalter Georg W. Suter Urs P. Wild Vladimir D. Samoilenko Nataliya V. Rasumova Roman I. Personov |
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| Affiliation: | Physical Chemistry Laboratory, Swiss Federal Institute of Technology, ETH-Zentrum, CH-8092 Zurich, Switzerland;Institute of Spectroscopy, Academy of Science, Moscow Region, Troitzk 142092, USSR |
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| Abstract: | Optical hole-burning experiments at 2 K with chlorin in polymethylmethacrylate (PMMA), polystyrene (PST) and polyvinylbutanal (PVB) gave hole widths of 1.2, 1.6 and 0.75 GHz. Preliminary temperature-dependent measurements in PVB suggest that the linewidth at 0 K approximates the lifetime-limited value. Due to the Stark effect on the randomly distributed molecules, a significant reversible broadening was observed when an electric field of 6000 V/cm was applied to the sample. |
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