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Absorption and fluorescence of Ho3+ IN La2S3·3Ga2S3

✍ Scribed by R. Reisfeld; A. Bornstein; J. Flahaut; M. Guittard; A.M. Loireau-Lozac'h

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
202 KB
Volume
47
Category
Article
ISSN
0009-2614

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✦ Synopsis

Absorption bands of Ho '* in vitreous LazS3 -3GazS3 in the range 500 to 2000 nm were assigned. Excitation spectra reveal additional levels 5G6 and 5F3 obscured by the intrinsic absorption of the glass. The Ho3+ emission in chalcogenide glasses is more intense than in oxide gksses due to smaller non radiative relaxation as predicted by the theory of multiphonor relaxation.

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