Modulated visible spectra properties of Pr:Ca1-xRxF2+x(R=Y, La, Gd) crystals

Hao Yu; Xiaobo Qian; Qinghui Wu; Fengkai Ma; Jingya Wang; Jun Xu; Liangbi Su

doi:10.1117/12.2285616

24 October 2017 Modulated visible spectra properties of Pr:Ca_1-xR_xF_2+x(R=Y, La, Gd) crystals

Hao Yu, Xiaobo Qian, Qinghui Wu, Fengkai Ma, Jingya Wang, Jun Xu, Liangbi Su

Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104573A (2017) https://doi.org/10.1117/12.2285616
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

The spectroscopic properties of the 1.0 at.%Pr:Ca_0.97R_0.02F_2.03(R=Y, La, Gd) crystals are investigated. X-diffraction and room temperature absorption spectra have been registered and analyzed. The emission spectra and decay curves of the crystals were obtained at room temperature. The photoluminescence intensity in the visible region is significantly enhanced by co-doping R³⁺ ions in Pr:CaF₂ crystal. The different effects among the R³⁺ (Y³⁺, La³⁺ and Gd³⁺) regulating ions on the crystals were observed and compared. Pr:Ca_0.97La_0.02F_2.03 and Pr:Ca_0.97Y_0.02F_2.03 crystals have substantially strong emission at blue and orange region, while the Pr:Ca_0.97Gd_0.02F_2.03 crystal is more suitable for the red emission emitting.

Citation Download Citation

Hao Yu, Xiaobo Qian, Qinghui Wu, Fengkai Ma, Jingya Wang, Jun Xu, and Liangbi Su "Modulated visible spectra properties of Pr:Ca_1-xR_xF_2+x(R=Y, La, Gd) crystals", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104573A (24 October 2017); https://doi.org/10.1117/12.2285616

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