Title
Femtosecond photolysis of KCl with 6eV photons Femtosecond photolysis of KCl with 6eV photons
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam :Elsevier Science ,
Subject
Physics
Source (journal)
Journal of luminescence. - Amsterdam
Source (book)
1996 International Conference on luminescence and Optical Spectroscopy, of Condensed Matter (ICL 96), Aug. 18-23, 1996, Prague, Czech Republic
Volume/pages
72-4(1997) , p. 847-848
ISSN
0022-2313
ISI
A1997XK42800323
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We have measured transient absorption spectra following creation of electron-hole pairs by 600fs pulses in the 5.7-6eV photon energy range in potassium chloride. This is the highest excitation photon energy yet used in sub-picosecond absorption spectroscopy of defect formation in insulators. It allows two-photon excitation of electron-hole pairs in materials including the alkaline earth fluorides. Compared to previous studies on familiar samples such as KCl and KBr, a different distribution of electron-hole pair states is populated initially, and the excitation pulse interacts with a different spectrum of early photo-induced transient absorption.
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