Electronic Resource
Springer
Applied physics
55 (1992), S. 144-148
ISSN:
1432-0649
Keywords:
42.70.-a
;
78.20.-e
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
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.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00324065
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