Upconversion of Tm3+ ions in BaY2F8

Yongfeng Ruan; Taiju Tsuboi

doi:10.1117/12.351415

28 June 1999 Upconversion of Tm³⁺ ions in BaY₂F₈

Yongfeng Ruan, Taiju Tsuboi

Proceedings Volume 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials; (1999) https://doi.org/10.1117/12.351415
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Up-conversion of red light with wavelength of 660 nm in Tm³⁺-doped BaY₂F₈ powder results in the two violet luminescence bands with peaks at 417 and 430 nm and two blue luminescence bands with peaks at 455 and 470 nm. The two violet bands are observed to be stronger than the blue bands. The blue luminescence is also observed by pumping with 993 nm light. The up-conversion is explained by a multiple excited state absorption process.

Citation Download Citation

Yongfeng Ruan and Taiju Tsuboi "Upconversion of Tm³⁺ ions in BaY₂F₈", Proc. SPIE 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials, (28 June 1999); https://doi.org/10.1117/12.351415

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