Publication: Excited State Absorption in Tb Activated Phosphor Powders
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Date
Authors
Raue, R.
Young, D. A.
dos Santos, L. M.
Verhaar, H. C. G.
Monteiro, T.
Albin, S.
von Seggern, H.
Giakoumakis, G. E.
Chapoulie, R.
Mishra, K. C.
Advisor
Department
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Publisher
Springer US
Type
Abstract
Optimal transitions between the 5D4 excited state of the Tb3+ (4f)8 configuration and the crystal field splitted components of the (4f)85d configuration have been observed using high-resolution laser excitation of Tb-doped powder samples. The Excited State Absorption (ESA) spectra of Tb3+ in YAG and YAGaG show broad excitation bands due to these transitions and superimposed relatively narrow lines due to transitions within the (4f)8 configuration.