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Mid-infrared emissions and energy transfer in Ge–Ga–S glasses doped with Dy3+

✍ Scribed by Yong Beom Shin; Jong Heo

Book ID
117149941
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
236 KB
Volume
256-257
Category
Article
ISSN
0022-3093

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## Abstract The radiative and nonradiative transitions of the first three excited levels of Er^3+^ doped in Ga~2~S~3~–GeS~2~–Sb~2~S~3~ glass were investigated. Particularly, we focused on the ^4^I~9/2~ and ^4^I~11/2~ which are the initial and final levels of mid‐infrared emission around 4 µm. The e