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Excited state absorption measurement in the 900-1250 nm wavelength range for bismuth-doped silicate fibers

By Seongwoo Yoo, Mridu P. Kalita, Johan Nilsson and Jayanta Sahu

Abstract

The feasibility of direct laser diode pumping of Bi-doped fiber lasers at the wavelengths of 915 and 975 nm was examined by measuring excited state absorption in Bi-doped silicate fibers for the wavelength range of 900-1250 nm. When the Bi-doped fibers were pumped at 1047 nm a strong excited state absorption was found at 915 and 975 nm, whereas no significant excited state absorption was observed in the 1080 nm pumping band nor in the emission band, ~1160 nm, of Bi-doped fiber laser

Topics: TK, QC
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:78911
Provided by: e-Prints Soton
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