Semiconductor laser pumping of continuous-wave Pr super( 3+)-doped ZBLAN fibre laser

Blue semiconductor laser pumped continuous-wave laser oscillation of a Pr-doped ZrF sub( 4)-BaF sub( 2)-LaF sub( 3)-AlF sub( 3)-NaF fibre in the red spectral range is reported for the first time. The pump power is provided by a frequency-doubled optically pumped semiconductor laser system. When pump...

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Published inElectronics letters Vol. 41; no. 14; p. 1
Main Authors Richter, A, Scheife, H, Heumann, E, Huber, G, Seelert, W, Diening, A
Format Journal Article
LanguageEnglish
Published 01.07.2005
Subjects
Continuous fibers
Fibre
Lasers
Optical pumping
Pumps
Semiconductor lasers
Spectra
Wavelengths
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Summary:Blue semiconductor laser pumped continuous-wave laser oscillation of a Pr-doped ZrF sub( 4)-BaF sub( 2)-LaF sub( 3)-AlF sub( 3)-NaF fibre in the red spectral range is reported for the first time. The pump power is provided by a frequency-doubled optically pumped semiconductor laser system. When pumped with 300 mW at a wavelength of 479.7 nm, the Pr super( 3+)-laser emitted 94 mW of output power at a wavelength of 635 nm. Threshold pump power and slope efficiency with respect to the incident pump power were determined to be 49.7 mW and 41.5%, respectively.
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ISSN:0013-5194
1350-911X