Optical and structural properties of Nd:MgO:LiNbO3 crystal irradiated by 2.8-MeV He ions

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作者：
Chuan-Lei Jia
Song Li
Xiao-Xiao Song
机构：
[1] China University of Mining and Technology,School of Physics
来源：
Applied Physics B | 2017年 / 123卷
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摘要：
We report the optical and structural properties of helium-implanted optical waveguides in Nd:MgO:LiNbO3 laser crystals. The prism-coupling method is used to investigate the dark-mode properties at the wavelength of 632.8 nm. The spontaneous generation of ultraviolet, blue, red, and near-infrared fluorescence emissions is demonstrated under excitation with an 808-nm laser diode. The effects of ion irradiation on the structural properties are characterized using the high-resolution X-ray diffraction technique. The results show that the initial luminescence properties of Nd:MgO:LiNbO3 crystals are slightly modified by irradiation with 2.8 MeV He ions at fluences of 1.5 × 1016 ions/cm2 at room temperature.
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