2000
DOI: 10.1088/0953-8984/12/39/315
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Optical spectroscopy of Pr3+in KGd(WO4)2single crystals

Abstract: The polarized optical absorption (OA) and photoluminescence of Pr3+ doped KGd(WO4)2 (KGW) single crystals have been measured at selected temperatures between 7 and 300 K. For the studied Pr concentrations, [Pr] = 0.03×1020-1.9×1020 cm-3, a unique site is observed. 74 energy levels were experimentally determined for this site and labelled with the appropriate A or B irreducible representations corresponding to the C2 symmetry of the Gd point site in KGW. The set was fitted to a Hamiltonian of adjustable paramet… Show more

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Cited by 46 publications
(62 citation statements)
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“…Laser action can also be achieved at this intermanifold transition using the direct cascade 3 P 0 → 1 G 4 → 3 F 4 scheme [18]. New properties of Pr 3+ activator ions have been discovered [182,279].…”
Section: Laser Channels Of Ce 3+ and Pr 3+ Ionsmentioning
confidence: 99%
“…Laser action can also be achieved at this intermanifold transition using the direct cascade 3 P 0 → 1 G 4 → 3 F 4 scheme [18]. New properties of Pr 3+ activator ions have been discovered [182,279].…”
Section: Laser Channels Of Ce 3+ and Pr 3+ Ionsmentioning
confidence: 99%
“…It was hypothesized that it arose through an upconversion mechanism at Nd 3+ ions that resulted from absorption from excited state 4 F 5/2 into state 2 K 15/2 + 2 D 3/2 with an emissive transition into ground state 4 I 9/2 . However, the luminescence branching ratios from high-lying Nd 3+ multiplets have not been reported.…”
mentioning
confidence: 99%
“…[1]. The α-KRE(WO 4 ) 2 tungstate also has sufficiently strong optical nonlinearity to be used in devices working on the basis of stimulated Raman scattering [2][3][4][5][6].…”
Section: Introductionmentioning
confidence: 99%