Transition element-doped crystals in glass

Linda R. Pinckney; George H. Beall

doi:10.1117/12.446883

2 November 2001 Transition element-doped crystals in glass

Linda R. Pinckney, George H. Beall

Proceedings Volume 4452, Inorganic Optical Materials III; (2001) https://doi.org/10.1117/12.446883
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Transition metals are well known as optically active dopants in crystalline hosts because they fluoresce broadly in the near-IR; examples include Ti³⁺:sapphire (Al₂O₃) and Cr⁴⁺:forsterite (Mg₂SiO₄). Because transition element ions yield stronger optical activity with those of doped crystal. The glass-ceramic process can, in many cases, also allow the growth in glass of crystals which are difficult or impossible to obtain in single crystal form. Material properties and spectroscopic data are presented for transparent glass-ceramics based on transition element-doped forsterite, willemite, mixed Li-Zn-Mg- orthosilicates, and spinel crystals. The transition element ions include Cr⁴⁺ in tetrahedral coordination and Ni²⁺ in octahedral coordination. The optical property measurements of the transparent glass-ceramics, including absorbance, fluorescence, and fluorescence lifetimes, duplicate those reported in the literature for single crystal or powders. Cr⁴⁺- and Ni²⁺-doped glass-ceramics exhibit broad emission across the telecommunications wavelength range of 1100-1700 nm.

Citation Download Citation

Linda R. Pinckney and George H. Beall "Transition element-doped crystals in glass", Proc. SPIE 4452, Inorganic Optical Materials III, (2 November 2001); https://doi.org/10.1117/12.446883

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