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Emission properties of the Er3+:4I11/2→4I13/2 transition in Er3+- and Er3+/Tm3+-doped Ge–Ga–As–S glasses

✍ Scribed by Yong Gyu Choi; Kyong Hon Kim; Byoung Joo Lee; Yong Beom Shin; You Song Kim; Jong Heo

Book ID
117144697
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
226 KB
Volume
278
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