Title
Influence of <tex>$OH^{-}$</tex> impurities on the relaxation of **F** centers studied with picosecond optical pulses Influence of <tex>$OH^{-}$</tex> impurities on the relaxation of **F** centers studied with picosecond optical pulses
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Engineering sciences. Technology
Source (journal)
Radiation effects and defects in solids. - New York, N.Y.
Volume/pages
134(1995) , p. 489-492
ISSN
1042-0150
ISI
A1995UD41300102
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The relaxation of the two configurations of the F-H(OH-) center in KBr is studied with a time-resolved induced transparency technique. Multiple decay components are observed. The slowest of these is interpreted as conversion in the ground state between the red and blue configuration of the F-H center, on a longer than nanosecond time scale. A contribution of the order of 100 ps might be related to non-radiative electronic relaxation, but cannot be identified with certainty. An unresolved transient, faster than 10 ps, might be related to a cross-over process.
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