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Growth and Optical Properties of Dy3+∶Lu2O3 Mid-infrared Laser Crystal by EFG Method
增强出版- Chinese Journal of Luminescence Vol. 43, Issue 11, Pages: 1808-1814(2022)
- 作者机构：
1.山东大学 晶体材料国家重点实验室， 山东 济南 250100
- 作者简介：
- 基金信息：National Natural Science Foundation of China(62105181)
DOI：10.37188/CJL.20220175
CLC：
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WANG Gui-ji, DING Xiao-yuan, YIN Yan-ru, et al. Growth and Optical Properties of Dy3+∶Lu2O3 Mid-infrared Laser Crystal by EFG Method. [J]. Chinese Journal of Luminescence 43(11):1808-1814(2022)
WANG Gui-ji, DING Xiao-yuan, YIN Yan-ru, et al. Growth and Optical Properties of Dy3+∶Lu2O3 Mid-infrared Laser Crystal by EFG Method. [J]. Chinese Journal of Luminescence 43(11):1808-1814(2022) DOI： 10.37188/CJL.20220175.
摘要
采用导模法（Edge‑defined film‑fed growth technique，EFG）制备了无掺杂及Dy,3+,掺杂的Lu,2,O,3,晶体，无掺杂及掺杂晶体在空气中退火后分别变为无色和淡黄色。采用高分辨X射线衍射、拉曼光谱以及吸收光谱等方法对晶体进行了表征。结果表明，晶体X射线衍射摇摆曲线的半峰宽分别为98.4,",、170.4,",、193.9,",，最大声子能量分别为609.0，611.4，612.6 cm,-1,；无掺杂晶体在260~3 000 nm波段没有明显的吸收，而掺杂晶体具有350，742，798，884，1 063，1 258，1 681，2 774 nm Dy,3+,的特征吸收峰。采用1 258 nm激光进行激发，得到2.7~3.0 μm的荧光光谱，计算了Dy,3+,的,6,H,13/2,能级寿命分别为17.9 μs和16.3 μs。采用Judd‐Ofelt（以下简写为J‐O）理论计算了相关光学参量，结果表明Dy,3+,∶Lu,2,O,3,晶体具有实现3 μm波段激光输出的潜力。
Abstract
In this paper， undoped and Dy,3+ ,doped Lu,2,O,3, crystals,were prepared by EFG（Edge-defined film-fed growth technique）. The undoped and doped crystals turned to colorless and pale yellow after annealing in air， respectively. The undoped and doped crystals were characterized by high resolution X-ray diffraction， Raman spectroscopy and absorption spectroscopy. The results indicated that the full width at half maximum（FWHM） of the peaks were 98.4″， 170.4″ and 193.9″， and the maximum phonon energies were 609.0， 611.4， 612.6 cm,-1,， respectively. The undoped crystal had no obvious absorption in the range of 260-3 000 nm band. While the doped crystals had characteristic absorption peaks of Dy,3+, at 350， 742， 798， 884， 1 063， 1 258， 1 681， 2 774 nm. 1 258 nm laser was used for excitation， and fluorescence spectra of 2.7-3 μm were obtained. The lifetime of the ,6,H,13/2, energy level of Dy,3+, was calculated as 17.9 μs and 16.3 μs， respectively. The optical parameters of Dy,3+,∶Lu,2,O,3, crystal were calculated by Judd-Ofelt（hereinafter referred to as J-O） theory， and the results showed that Dy,3+,∶Lu,2,O,3, crystal has the potential to realize laser output at 3 μm band.
关键词
Dy3+∶Lu2O3导模法中红外激光晶体
Keywords
Dy3+∶Lu2O3edge-defined film-fed growth methodmid-infrared laser crystals
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