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Picosecond photon echo and optical hole burning studies of chromophores in organic glasses

✍ Scribed by M. Berg; C.A. Walsh; L.R. Narasimhan; M.D. Fayer

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
563 KB
Volume
38
Category
Article
ISSN
0022-2313

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The homogeneous optical dephasing times (T,) and the non-photochemical hole burning (NPHB) linewidths of resorutin in glycerol glass are reported from 1.1 to 25.5 K. At low temperature, the linewidths obtained from NPHB are substantially wider than the linewidths (l/x T2) obtained from photon echo m

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Spectral holes have been burnt in the S r +-Se O-O transition of resorufin in two phases of ethanol glass between 0.3 and 4.2 K. The holewidths differ by a factor of 8 and follow a T '.3 dependence. The homogeneous linewidths (r,,,) in one of the phases are about half those derived from a photon-ech

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Temperature-dependent two-pulse photon echo and hole burning linewidths are reported for the system resorufin in glycerol glass from 1 to 25 K. At low temperature a factor of ~4 difference between the linewidths measured by the two techniques is observed owing to the broad fluctuation rate distribut