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Conferences > ASSL > 1996 > SM > SM17

Time-Resolved Fourier Spectroscopy of Energy Transfer in (Ho3+,Yb3+):KYF4

C. J. Schwindt, H. Weidner, J. Donahue, and R. E. Peale

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Abstract

Time-resolved Fourier-transform spectroscopy is applied to a near infrared energy transfer problem in an optically activated insulator for the first time. Two Ho3+ → Yb3+ channels in the up-conversion laser crystal (Ho3+,Yb3+):KYF4 are studied in luminescence with simultaneous temporal and spectral resolution. A simple rate equation model fit to the data confirms a previous analysis for transfer from Ho3+ 5F4, 5S2 levels but suggest a more complex picture for transfer from Ho3+ 5F5 levels.

© 1996 Optical Society of America

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