Optical absorption spectra of tourmaline crystals from Altay, China
Chinese Optics Letters, Vol. 9, Issue 8, pp. 083001-083001 (2011)
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Abstract
Tourmaline is an important functional and gem material. The current study examines pink, green, and brownish-green tourmalines from Altay deposit. Based on X-ray fluorescence (XRF) quantitative analyses and ultrariolet-visible-near-infrared (UV-VIS-NIR) spectral analyses in combination with annealing experiments, the color center of tourmaline is found to be related to the d-d transitions of ions or the d-d transitions of exchange coupled ions. Annealing treatment affects the color improvement of tourmaline crystals.
© 2011 Chinese Optics Letters
OCIS Codes
(300.6170) Spectroscopy : Spectra
(160.2710) Materials : Inhomogeneous optical media
Citation
Xueliang Liu, Xiqi Feng, Jianliang Fan, and Shouguo Guo, "Optical absorption spectra of tourmaline crystals from Altay, China," Chin. Opt. Lett. 9, 083001-083001 (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-8-083001
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