Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 699, Issue -, Pages 243-246Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2016.12.332
Keywords
Transition metal ions; Luminescence; Femtosecond laser; Space-selective; Glass
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Funding
- National Natural Science Foundation of China [61475047, 11404114]
- Guangdong Natural Science Foundation [S2011030001349, 2014A030306045]
- State Key Laboratory of High Field Laser Physics of the Shanghai Institute of Optics and Fine Mechanics of Chinese Academy of Science
- State Key Laboratory of Precision Spectroscopy of East China Normal University
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We report the space-selective precipitation of Cr3+-doped ZnAl2O4 crystals in aluminosilicate glass by femtosecond (fs) laser irradiation. The precipitation of ZnAl2O4 crystal was confirmed by x-ray diffraction (XRD), Raman spectra and transmission electron microscopy (TEM), and the incorporation of octahedron Cr3+ in ZnAl2O4 crystal was testified by electron paramagnetic resonance (EPR) and luminescence spectra. The laser irradiated area shows greatly enhanced luminescence due to Cr3+ transitions. This method is promising for waveguide laser and three dimensional (3D) optical storage. (C) 2017 Elsevier B.V. All rights reserved.
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