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Optical homogeneous linewidths of resorufin in ethanol glass: An apparent contradiction between hole-burning and photon-echo results?

✍ Scribed by R. Van Den Berg; S. Völker


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
666 KB
Volume
137
Category
Article
ISSN
0009-2614

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✦ Synopsis


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-echo experiment by Payer and co-workers. Holes burnt between -600 and 573 nm yield the same holewidth. It is concluded that hole-burning measures rho,,, in this amorphous system.


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Homogeneous optical dephasing and line b
✍ M. Berg; C.A. Walsh; L.R. Narasimhan; Karl A. Littau; M.D. Fayer 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 539 KB

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