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Titolo:
OPTICAL-SPECTRA, ENERGY-LEVELS AND BRANCHING RATIOS OF TRIVALENT DYSPROSIUM-DOPED YTTRIUM SCANDIUM GALLIUM GARNET
Autore:
SELTZER MD; WRIGHT AO; MORRISON CA; WORTMAN DE; GRUBER JB; FILER ED;
Indirizzi:
USN,WARFARE CTR,WEAPONS DIV CHINA LAKE CA 93555 USA,RES LAB ADELPHI MD 20783 SAN JOSE STATE UNIV,DEPT PHYS SAN JOSE CA 95192 NORFOLK STATE UNIV,CTR MAT RES NORFOLK VA 23504
Titolo Testata:
Journal of physics and chemistry of solids
fascicolo: 9, volume: 57, anno: 1996,
pagine: 1175 - 1182
SICI:
0022-3697(1996)57:9<1175:OEABRO>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTENSITY CALCULATIONS; THULIUM IONS;
Keywords:
OPTICAL MATERIALS; CRYSTAL FIELDS; OPTICAL PROPERTIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
M.D. Seltzer et al., "OPTICAL-SPECTRA, ENERGY-LEVELS AND BRANCHING RATIOS OF TRIVALENT DYSPROSIUM-DOPED YTTRIUM SCANDIUM GALLIUM GARNET", Journal of physics and chemistry of solids, 57(9), 1996, pp. 1175-1182

Abstract

Absorption spectra of trivalent dysprosium ions in yttrium scandium gallium garnet are reported between 2.9 and 0.4 mu m at 4 K. Laser-excited fluorescence was observed at 4 K for transitions between the F-4(9/2) manifold and several of the lower-lying H-6(J) and F-6(J) manifolds. A crystal-field splitting calculation was carried out in which a parametrized Hamiltonian (including Coulombic, spin-orbit, and crystal field terms in D-2 symmetry) was diagonalized for selected manifolds ofthe Dy3+ (4f(9)) configuration. The RMS deviation between 69 experimental and calculated Stark levels was 8 cm(-1). Calculations were carried out to predict branching ratios for emission from the F-4(9/2) manifold.

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Documento generato il 01/12/20 alle ore 06:17:50