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Absorption and emission properties of Tm2+ ions in germanosilicate glass fibers
2003
Optics Express
Preserved Fulltext
Absorption and emission properties between 350nm and 1600nm of the Tm 2+ ions in optical fibers were investigated using the Tm 2+ -Tm 3+ codoped germanosilicate glass fibers and its fiber preform. Strong broad absorption band due to Tm 2+ ions was found to appear from 350nm to ~900nm together with the absorption bands due to Tm 3+ ions. Broad emission from ~600nm to ~1050nm and the other emission from ~1050nm to ~1300nm, which were not shown in the Tm 3+ ions, were found upon the Ar ion laser
doi:10.1364/oe.11.002672
pmid:19471381
fatcat:n7kwkgzhd5dt5fnvnpvon3zkcq