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Digitale Medien

Upconversion in YAlO3:Er pumped at 800 nm (1992)

Weber, Th. ; Lüthy, W. ; Weber, H. P.

Springer

Applied physics 55 (1992), S. 144-148

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Details

ISSN: 1432-0649

Schlagwort(e): 42.70.-a ; 78.20.-e

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Fluorescence at 3 μm and 545 nm in a YAlO3:Er (30 at.%) crystal has been measured as a function of wavelength, intensity and polarization for the excitation in the 800 nm wavelength region. Emission at 545 nm is an indicator of losses for 3 μm emission due to excited-state absorption and upconversion. The experimental results allow to determine the excitation mechanisms, the upconversion coefficient W 2 and the optimum pump wavelengths to generate 3 μm radiation.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00324065

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