The micro-pulling-down growth of Tm:LuAG and Tm,Pr:LuAG crystals and optical properties - Archive ouverte HAL Access content directly
Journal Articles Optical Materials Year : 2021

The micro-pulling-down growth of Tm:LuAG and Tm,Pr:LuAG crystals and optical properties

Qiu Li
  • Function : Author
Zhangli Shi
  • Function : Author
Qingsong Song
  • Function : Author
Jie Tian
  • Function : Author
Jian Liu
  • Function : Author
Jun Xu
Kheirreddine Lebbou

Abstract

Tm3+ doped and Tm3+, Pr3+ co-doped Lu3Al5O12 (LuAG) garnet single crystals have been successfully grown by the micro-pulling-down (μ-PD) method. The absorption spectra, fluorescence spectra and lifetimes were investigated at room temperature. In the absorption spectra, the transition centered at 782 nm matches well with the GaAlAs LDs laser pumping. The incorporation of Pr3+ into Tm3+-doped LuAG crystals enhanced the intensity of 1.5 μm emission and decreased the fluorescence lifetime of the lower energy level for 1.5 μm emission from 10.427 ms to 2.603 ms. The results indicate that Tm,Pr:LuAG crystal can be promising candidate for near infrared 1.5 μm laser materials.
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Dates and versions

hal-03299166 , version 1 (08-11-2021)

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Qiu Li, Zhangli Shi, Qingsong Song, Jie Tian, Jian Liu, et al.. The micro-pulling-down growth of Tm:LuAG and Tm,Pr:LuAG crystals and optical properties. Optical Materials, 2021, 118, pp.111275. ⟨10.1016/j.optmat.2021.111275⟩. ⟨hal-03299166⟩
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