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Title
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Femtosecond photolysis of KCl with 6eV photons
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Author
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Abstract
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| 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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Language
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English
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Source (journal)
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Journal of luminescence. - Amsterdam
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Source (book)
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1996 International Conference on luminescence and Optical Spectroscopy, of Condensed Matter (ICL 96), Aug. 18-23, 1996, Prague, Czech Republic
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Publication
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Amsterdam
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Elsevier Science
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1997
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ISSN
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0022-2313
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DOI
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10.1016/S0022-2313(97)00026-4
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Volume/pages
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72-4
(1997)
, p. 847-848
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ISI
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A1997XK42800323
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Full text (Publisher's DOI)
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