Abstract
The dynamics of structural fluctuations in glasses can be probed by following the ’homogeneous linewidth’ Γhom of optical transitions in doped amorphous solids as a function of time [1-5]. Owing to the wide distribution of barrier heights associated with two-level systems (TLS) in glasses, these fluctuations are thought to occur over a broad range of time scales.
© 1992 Optical Society of America
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Robert Silbey
WA1 Spectral Hole-Burning and Luminescence Line Narrowing: Science and Applications (SHBL) 1992
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TuA5 Spectral Hole-Burning and Luminescence Line Narrowing: Science and Applications (SHBL) 1992