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2004 Volume 13 Issue 3
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Yang Zhong-Min, Xu Shi-Qing, Hu Li-Li, Jiang Zhong-Hong. 2004: Optical transitions in Er3+ doped lead germanate glasses, Chinese Physics B, 13(3): 401-408.
Citation: Yang Zhong-Min, Xu Shi-Qing, Hu Li-Li, Jiang Zhong-Hong. 2004: Optical transitions in Er3+ doped lead germanate glasses, Chinese Physics B, 13(3): 401-408.
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Optical transitions in Er3+ doped lead germanate glasses

  • Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

  • Available Online: 30/03/2004
  • Fund Project: the National Natural Science Foundations of China(Grant 60307004 and 60207006)%the Fund of Optical Science and Technology of Shanghai(Grant 022261046)
  • Er3+- and Er3+/Yb3+-doped lead germanate glasses that are suitable for use in fibre lasers and optical amplifiers as well as optical waveguide devices have been fabricated and characterized. The absorption spectra from near-infrared to visible were obtained and the Judd-Ofelt parameters were determined from the absorption band. Intense and broad 1.53μm infrared fluorescence and visible upconversion luminescence were observed under 976 nm diode laser excitation.For 1.53μm emission band, the full widths at half-maximum are 36, 37, 51 nm for GPE, GPYE and GPFE samples,respectively. For frequency upconversion emission, the intense bands centred at around 524, 545, 657nm are due to the 4S3/2 + 2H11/2 → 4I15/2 and 4F9/2 → 4I15/2 transitions of Era+ ions. The quadratic dependence of the green and red emissions on excitation power indicates that the two-photon absorption process occurs under the 976nm excitation.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Optical transitions in Er3+ doped lead germanate glasses

  • Available Online: 30/03/2004

Abstract: Er3+- and Er3+/Yb3+-doped lead germanate glasses that are suitable for use in fibre lasers and optical amplifiers as well as optical waveguide devices have been fabricated and characterized. The absorption spectra from near-infrared to visible were obtained and the Judd-Ofelt parameters were determined from the absorption band. Intense and broad 1.53μm infrared fluorescence and visible upconversion luminescence were observed under 976 nm diode laser excitation.For 1.53μm emission band, the full widths at half-maximum are 36, 37, 51 nm for GPE, GPYE and GPFE samples,respectively. For frequency upconversion emission, the intense bands centred at around 524, 545, 657nm are due to the 4S3/2 + 2H11/2 → 4I15/2 and 4F9/2 → 4I15/2 transitions of Era+ ions. The quadratic dependence of the green and red emissions on excitation power indicates that the two-photon absorption process occurs under the 976nm excitation.

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