Upconversion luminescence of Tm3+- and Yb3+-codoped pentaphosphate noncrystalline under the pumping of a 798-nm laser diode

Xiaobo Chen; Yan Feng; Feng Song; Kun Li; Mengxia Li; Guangyin Zhang; Yinguan Sun; Xizhen Yang; Xiaowen Li; Mengxia Xie; Yafei Wang

doi:10.1117/12.317971

12 August 1998 Upconversion luminescence of Tm³⁺- and Yb³⁺-codoped pentaphosphate noncrystalline under the pumping of a 798-nm laser diode

Xiaobo Chen, Yan Feng, Feng Song, Kun Li, Mengxia Li, Guangyin Zhang, Yinguan Sun, Xizhen Yang, Xiaowen Li, Mengxia Xie, Yafei Wang

Author Affiliations +

Proceedings Volume 3551, Integrated Optoelectronics II; (1998) https://doi.org/10.1117/12.317971
Event: Photonics China '98, 1998, Beijing, China

Abstract

When excited into Tm³ ³F₄ level by a LD at approximately 798 nm, Tm³ and Yb³ codoped pentaphosphate noncrystalline samples emit blue light at 475 nm, which corresponds to transition ¹G₄ yields ³H₆. Although laser is directly absorbed by Tm³⁺ ions, the upconversion process rely on the codoping of Yb³⁺ ions. One Tm³⁺ yields Yb³⁺ transfer process excites Yb³⁺ ions, then backward Yb³ yields Tm³ energy transfer excites Tm³ ions from ³H₄ to ¹G₄ level.

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Xiaobo Chen, Yan Feng, Feng Song, Kun Li, Mengxia Li, Guangyin Zhang, Yinguan Sun, Xizhen Yang, Xiaowen Li, Mengxia Xie, and Yafei Wang "Upconversion luminescence of Tm³⁺- and Yb³⁺-codoped pentaphosphate noncrystalline under the pumping of a 798-nm laser diode", Proc. SPIE 3551, Integrated Optoelectronics II, (12 August 1998); https://doi.org/10.1117/12.317971

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