Er3+ and Yb3+ concentration effect in the spectroscopic properties and energy transfer in Yb3+/Er3+ codoped tellurite glasses

H. Desirena; E. De La Rosa; A. Shulzgen; S. Shabet; N. Peyghambarian

doi:10.1088/0022-3727/41/9/095102

Er³⁺ and Yb³⁺ concentration effect in the spectroscopic properties and energy transfer in Yb³⁺/Er³⁺ codoped tellurite glasses

H. Desirena, E. De La Rosa, A. Shulzgen, S. Shabet, N. Peyghambarian

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

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Abstract

Spectroscopic properties of Yb³⁺/Er³⁺ codoped tellurite glasses as a function of Er³⁺ and Yb³⁺ concentration have been investigated. Under 970 nm excitation three strong up-conversion emission bands centred at 525, 546 and 656 nm were observed, and the characteristic near infrared emission band was centred at 1.53 νm. With fluorescence and radiative lifetime the quantum efficiency (QE) of infrared (1.53 νm) and visible upconversion (546 and 660 nm) emissions was calculated. The maximum stimulated emission cross section for ⁴I_13/2 → ⁴I_15/2 transition of Er³⁺ is 9.7 × 10^-21 cm² for 3/0.5 mol%. The energy transfer (ET) efficiency from Yb³⁺ to Er³⁺ (⁴F_5/2) + (⁴I_15/2) → (⁴ F_7/2) + ( ⁴I_13/2) was calculated, being the maximum ET of 69% for 0.5 mol% of Er³⁺ with 4.5 mol% of Yb³⁺. The results indicate that both ET and QE depend mostly on Er³⁺ rather than on Yb³⁺ concentration.

Original language	English (US)
Article number	095102
Journal	Journal of Physics D: Applied Physics
Volume	41
Issue number	9
DOIs	https://doi.org/10.1088/0022-3727/41/9/095102
State	Published - May 7 2008

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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10.1088/0022-3727/41/9/095102

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title = "Er3+ and Yb3+ concentration effect in the spectroscopic properties and energy transfer in Yb3+/Er3+ codoped tellurite glasses",

abstract = "Spectroscopic properties of Yb3+/Er3+ codoped tellurite glasses as a function of Er3+ and Yb3+ concentration have been investigated. Under 970 nm excitation three strong up-conversion emission bands centred at 525, 546 and 656 nm were observed, and the characteristic near infrared emission band was centred at 1.53 νm. With fluorescence and radiative lifetime the quantum efficiency (QE) of infrared (1.53 νm) and visible upconversion (546 and 660 nm) emissions was calculated. The maximum stimulated emission cross section for 4I13/2 → 4I15/2 transition of Er3+ is 9.7 × 10-21 cm2 for 3/0.5 mol%. The energy transfer (ET) efficiency from Yb3+ to Er3+ (4F5/2) + (4I15/2) → (4 F7/2) + ( 4I13/2) was calculated, being the maximum ET of 69% for 0.5 mol% of Er3+ with 4.5 mol% of Yb3+. The results indicate that both ET and QE depend mostly on Er3+ rather than on Yb3+ concentration.",

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AU - Desirena, H.

AU - De La Rosa, E.

AU - Shulzgen, A.

AU - Shabet, S.

AU - Peyghambarian, N.

PY - 2008/5/7

Y1 - 2008/5/7

N2 - Spectroscopic properties of Yb3+/Er3+ codoped tellurite glasses as a function of Er3+ and Yb3+ concentration have been investigated. Under 970 nm excitation three strong up-conversion emission bands centred at 525, 546 and 656 nm were observed, and the characteristic near infrared emission band was centred at 1.53 νm. With fluorescence and radiative lifetime the quantum efficiency (QE) of infrared (1.53 νm) and visible upconversion (546 and 660 nm) emissions was calculated. The maximum stimulated emission cross section for 4I13/2 → 4I15/2 transition of Er3+ is 9.7 × 10-21 cm2 for 3/0.5 mol%. The energy transfer (ET) efficiency from Yb3+ to Er3+ (4F5/2) + (4I15/2) → (4 F7/2) + ( 4I13/2) was calculated, being the maximum ET of 69% for 0.5 mol% of Er3+ with 4.5 mol% of Yb3+. The results indicate that both ET and QE depend mostly on Er3+ rather than on Yb3+ concentration.

AB - Spectroscopic properties of Yb3+/Er3+ codoped tellurite glasses as a function of Er3+ and Yb3+ concentration have been investigated. Under 970 nm excitation three strong up-conversion emission bands centred at 525, 546 and 656 nm were observed, and the characteristic near infrared emission band was centred at 1.53 νm. With fluorescence and radiative lifetime the quantum efficiency (QE) of infrared (1.53 νm) and visible upconversion (546 and 660 nm) emissions was calculated. The maximum stimulated emission cross section for 4I13/2 → 4I15/2 transition of Er3+ is 9.7 × 10-21 cm2 for 3/0.5 mol%. The energy transfer (ET) efficiency from Yb3+ to Er3+ (4F5/2) + (4I15/2) → (4 F7/2) + ( 4I13/2) was calculated, being the maximum ET of 69% for 0.5 mol% of Er3+ with 4.5 mol% of Yb3+. The results indicate that both ET and QE depend mostly on Er3+ rather than on Yb3+ concentration.

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Er³⁺ and Yb³⁺ concentration effect in the spectroscopic properties and energy transfer in Yb³⁺/Er³⁺ codoped tellurite glasses

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