Abstract
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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Acknowledgements
This work is supported by “the Fundamental Research Funds for the Central Universities” (Grant No. 2015XKMS083). We are also grateful to the State Key Laboratory of Nuclear Physics and Technology of Peking University for help with ion implantation.
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Jia, CL., Li, S. & Song, XX. Optical and structural properties of Nd:MgO:LiNbO3 crystal irradiated by 2.8-MeV He ions. Appl. Phys. B 123, 206 (2017). https://doi.org/10.1007/s00340-017-6783-y
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DOI: https://doi.org/10.1007/s00340-017-6783-y