Phonon Assisted Energy Transfer in Praseodymium Trifluoride |
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Page 3
Douglas Stuart Hamilton. RN transfer process and then infer an R R rate . The direct observation of energy transfer between like ions is more difficult because the energy levels in- volved are nearly identical . It is well known ...
Douglas Stuart Hamilton. RN transfer process and then infer an R R rate . The direct observation of energy transfer between like ions is more difficult because the energy levels in- volved are nearly identical . It is well known ...
Page 107
... processes and how they compare to our results . -1 The first problem considered is the observed spec- tral characteristics for this energy transfer process . Since the transfer rates were approximately the same -1 for a +2 cm and a -4 cm ...
... processes and how they compare to our results . -1 The first problem considered is the observed spec- tral characteristics for this energy transfer process . Since the transfer rates were approximately the same -1 for a +2 cm and a -4 cm ...
Page 116
... energy transfer processes were also discussed in Chapter II . By scaling the measured one - phonon direct rate for the inter- satellite line transfer , the contribution from this -1 process at OK should be about .5x106 sec for the process ...
... energy transfer processes were also discussed in Chapter II . By scaling the measured one - phonon direct rate for the inter- satellite line transfer , the contribution from this -1 process at OK should be about .5x106 sec for the process ...
Contents
THEORY OF ENERGY TRANSFER | 8 |
EXPERIMENTAL CONSIDERATIONS | 56 |
EXCITATION SPECTRA OF PrF3 | 66 |
2 other sections not shown
Common terms and phrases
A4 ions absorption acceptor fluorescence acceptor ions approximately arise assume calculated Chapter characteristics Chem compared concentration considered coupling crystal delays described detailed direct discussed distribution dominant donor and acceptor donor ions dye laser effect electronic energy mismatch energy transfer process ensemble equations estimate excitation expected experimental exponential final function Hamilton homogeneous important impurity indicates inhomogeneous inhomogeneously broadened integral interaction involved lattice leads limit linewidth located matrix elements measured mechanism microscopic nature neighbor observed one-phonon second-order optical Orbach orbit-lattice phonon assisted Phys population Pr ions PrF3 properties pumped relevant requires resonant responsible rise sample sample temperature satellite lines scan separation shown similar spatial spectral strength strong technique temperature dependence tion transfer probability transfer rate transition units W. M. Yen width ΔΕ