The microscopic interaction parameters for Er/Ho energy transfer in tellurite glasses |
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| Authors: | Xujie Li Wenjie Zhang |
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| Affiliation: | a College of Computer Science and Engineering, Wenzhou University Zhejiang 325035, PR China
b Faculty of Information Science and Engineering, The State Key Laboratory Base of Novel Functional Materials and Preparation Science, Ningbo University Zhejiang 315211, PR China |
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| Abstract: | We investigate the energy transfer between Er3+/Ho3+ in tellurite glasses. The main channels of energy transfer between Er3+/Ho3+ are analyzed in detail. The microscopic interaction parameters of resonant and non-resonant (phonon-assisted) energy transfer parameters via Er3+→Ho3+ are calculated. The result shows that the resonant energy transfers Er3+(2H11/2(4S3/2))→Ho3+(5F4(5S2)) and Er3+(4F9/2)→Ho3+(5F5) are very efficient and non-resonant energy transfers Er3+(4I13/2)→Ho3+(5I7) and Er3+(4I11/2)→Ho3+(5I6), which are a phonon-assisted energy transfer process because of energy mismatch are also existed and cannot be neglected. |
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| Keywords: | 42.70.Ce 42.70.Hj 78.20.&minus e 78.55.&minus m |
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