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, Nasser N Peyghambarian

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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 4I13/24I15/2 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.

Original languageEnglish (US)
Article number095102
JournalJournal of Physics D: Applied Physics
Volume41
Issue number9
DOIs
StatePublished - May 7 2008

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Energy transfer
energy transfer
Quantum efficiency
Glass
glass
quantum efficiency
Infrared radiation
Stimulated emission
radiative lifetime
stimulated emission
Fluorescence
life (durability)
fluorescence
cross sections
excitation
tellurous acid

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Er3+ and Yb3+ concentration effect in the spectroscopic properties and energy transfer in Yb3+/Er3+ codoped tellurite glasses. / Desirena, H.; De La Rosa, E.; Shulzgen, A.; Shabet, S.; Peyghambarian, Nasser N.

In: Journal of Physics D: Applied Physics, Vol. 41, No. 9, 095102, 07.05.2008.

Research output: Contribution to journalArticle

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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 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 - Shabet, S.

AU - Peyghambarian, Nasser N

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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.

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