Down-conversion from blue to near infrared in Tm3+-Yb 3+ codoped Y2O3 transparent ceramics

Hui Lin; Shengming Zhou; Xiaorui Hou; Wenjie Li; Yukun Li; Hao Teng; Tingting Jia

doi:10.1109/LPT.2010.2046631

Down-conversion from blue to near infrared in Tm³⁺-Yb ³⁺ codoped Y₂O₃ transparent ceramics

Hui Lin, Shengming Zhou, Xiaorui Hou, Wenjie Li, Yukun Li, Hao Teng, Tingting Jia

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Down-conversion from blue to near infrared (NIR) has been demonstrated in Tm³⁺-Yb³⁺ codoped Y₂O₃ transparent ceramics. Upon the 464-nm excitation, the energy transfer (ET) mechanisms consisted of the Tm³⁺ : ¹G₄→ 2Yb ³⁺ : ²F_5/2 cooperative down-conversion and the phonon assisted Tm³⁺ : ¹G₄+Yb³⁺ : ²F_7/2 → Tm³⁺ : ³H₅ + Yb³⁺ : ²F_5/2 cross relaxation. The low quantum yield of the latter process, together with the low absorption cross section of Tm³⁺ at 464 nm and the low quenching concentration of Yb³⁺ in the Y₂O₃ host, made the Yb³⁺ 1030-nm NIR emission too weak for practical application.

Original language	English (US)
Article number	5443576
Pages (from-to)	866-868
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	22
Issue number	12
DOIs	https://doi.org/10.1109/LPT.2010.2046631
State	Published - 2010

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2010.2046631

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title = "Down-conversion from blue to near infrared in Tm3+-Yb 3+ codoped Y2O3 transparent ceramics",

abstract = "Down-conversion from blue to near infrared (NIR) has been demonstrated in Tm3+-Yb3+ codoped Y2O3 transparent ceramics. Upon the 464-nm excitation, the energy transfer (ET) mechanisms consisted of the Tm3+ : 1G4→ 2Yb 3+ : 2F5/2 cooperative down-conversion and the phonon assisted Tm3+ : 1G4+Yb3+ : 2F7/2 → Tm3+ : 3H5 + Yb3+ : 2F5/2 cross relaxation. The low quantum yield of the latter process, together with the low absorption cross section of Tm3+ at 464 nm and the low quenching concentration of Yb3+ in the Y2O3 host, made the Yb3+ 1030-nm NIR emission too weak for practical application.",

author = "Hui Lin and Shengming Zhou and Xiaorui Hou and Wenjie Li and Yukun Li and Hao Teng and Tingting Jia",

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T1 - Down-conversion from blue to near infrared in Tm3+-Yb 3+ codoped Y2O3 transparent ceramics

AU - Lin, Hui

AU - Zhou, Shengming

AU - Hou, Xiaorui

AU - Li, Wenjie

AU - Li, Yukun

AU - Teng, Hao

AU - Jia, Tingting

PY - 2010

Y1 - 2010

N2 - Down-conversion from blue to near infrared (NIR) has been demonstrated in Tm3+-Yb3+ codoped Y2O3 transparent ceramics. Upon the 464-nm excitation, the energy transfer (ET) mechanisms consisted of the Tm3+ : 1G4→ 2Yb 3+ : 2F5/2 cooperative down-conversion and the phonon assisted Tm3+ : 1G4+Yb3+ : 2F7/2 → Tm3+ : 3H5 + Yb3+ : 2F5/2 cross relaxation. The low quantum yield of the latter process, together with the low absorption cross section of Tm3+ at 464 nm and the low quenching concentration of Yb3+ in the Y2O3 host, made the Yb3+ 1030-nm NIR emission too weak for practical application.

AB - Down-conversion from blue to near infrared (NIR) has been demonstrated in Tm3+-Yb3+ codoped Y2O3 transparent ceramics. Upon the 464-nm excitation, the energy transfer (ET) mechanisms consisted of the Tm3+ : 1G4→ 2Yb 3+ : 2F5/2 cooperative down-conversion and the phonon assisted Tm3+ : 1G4+Yb3+ : 2F7/2 → Tm3+ : 3H5 + Yb3+ : 2F5/2 cross relaxation. The low quantum yield of the latter process, together with the low absorption cross section of Tm3+ at 464 nm and the low quenching concentration of Yb3+ in the Y2O3 host, made the Yb3+ 1030-nm NIR emission too weak for practical application.

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Down-conversion from blue to near infrared in Tm³⁺-Yb ³⁺ codoped Y₂O₃ transparent ceramics

Abstract

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