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Preparation and performance of Ho3+/Yb3+ co-doped fluorosilicate-emitting broadband near-infrared glasses.

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Title: Preparation and performance of Ho3+/Yb3+ co-doped fluorosilicate-emitting broadband near-infrared glasses.
Authors: Ge, Wencheng1 (AUTHOR), Hou, Yiran1 (AUTHOR), Xu, Jiaxuan1 (AUTHOR), Liu, Shuofang2 (AUTHOR), Wang, Zihan2 (AUTHOR), Cai, Xiuqin2 (AUTHOR), Lu, Yilin2 (AUTHOR), Chen, Yuee1 (AUTHOR) 552001140@qq.com
Source: Journal of Materials Science: Materials in Electronics. Sep2024, Vol. 35 Issue 27, p1-15. 15p.
Abstract: In this study, Ho3+/Yb3+ co-doped near-infrared fluorosilicate glass was melting with different concentrations of rare earth ions using a high-temperature melting method. Under 980 nmLD excitation, the Ho3+/Yb3+ co-doped fluorosilicate glass emits a near-infrared radiation of about 2.0 μm. The upconversion fluorescence spectrum reveals weak green light and strong red light. Next, the energy transfer mechanism and spectral characteristics of near-infrared radiation were examined. Fluorosilicate glass has favorable conditions such as relatively low cost, high light transmittance, and good thermal stability. Ho3+ the emission cross-section and gain coefficient were calculated to be 0.51 × 10–20 cm2 and 0.903 cm−1, respectively. Furthermore, given the Judd–Ofelt theory, calculated and analyzed the Ho3+/Yb3+ co-doped Ωt (t = 2, 4, 6) of 4.25, 2.45, and 0.8, respectively, indicating that the stimulated emission of Ho3+ was strong. The sample’s maximum fluorescence lifetime at 2.0 μm was 0.856 ms, which was 0.182 ms longer than that of silicate glass. This indicates that the addition of fluoride is beneficial to improve the fluorescence lifetime at 2 μm. According to the testing results, Ho3+/Yb3+ co-doped fluorinated silicate glass has a promising development potential for broadband near-infrared fiber and laser materials. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Preparation and performance of Ho<superscript>3+</superscript>/Yb<superscript>3+</superscript> co-doped fluorosilicate-emitting broadband near-infrared glasses.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Science%3A+Materials+in+Electronics%22">Journal of Materials Science: Materials in Electronics</searchLink>. Sep2024, Vol. 35 Issue 27, p1-15. 15p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this study, Ho3+/Yb3+ co-doped near-infrared fluorosilicate glass was melting with different concentrations of rare earth ions using a high-temperature melting method. Under 980 nmLD excitation, the Ho3+/Yb3+ co-doped fluorosilicate glass emits a near-infrared radiation of about 2.0 μm. The upconversion fluorescence spectrum reveals weak green light and strong red light. Next, the energy transfer mechanism and spectral characteristics of near-infrared radiation were examined. Fluorosilicate glass has favorable conditions such as relatively low cost, high light transmittance, and good thermal stability. Ho3+ the emission cross-section and gain coefficient were calculated to be 0.51 × 10–20 cm2 and 0.903 cm−1, respectively. Furthermore, given the Judd–Ofelt theory, calculated and analyzed the Ho3+/Yb3+ co-doped Ωt (t = 2, 4, 6) of 4.25, 2.45, and 0.8, respectively, indicating that the stimulated emission of Ho3+ was strong. The sample’s maximum fluorescence lifetime at 2.0 μm was 0.856 ms, which was 0.182 ms longer than that of silicate glass. This indicates that the addition of fluoride is beneficial to improve the fluorescence lifetime at 2 μm. According to the testing results, Ho3+/Yb3+ co-doped fluorinated silicate glass has a promising development potential for broadband near-infrared fiber and laser materials. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              M: 09
              Text: Sep2024
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