Growth and Absorption Spectrum of Tm,Ho:BaY2F8 Crystal

Fan Ming Zeng; Guang Tian Zou; Jing He Liu

doi:10.4028/www.scientific.net/AMR.335-336.1025

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 335-336Growth and Absorption Spectrum of Tm,Ho:BaY2F8...

Growth and Absorption Spectrum of Tm,Ho:BaY₂F₈ Crystal

Abstract:

The Tm,Ho:BaY₂F₈ single crystal was successfully grown by the Cz method. The optimal technical parameters obtained are as follows: the pulling rate is 0.5—0.6mm/h; the rotation speed is 5—7rpm; the cooling rate is 10°C/h. The result of XRD curve shows that as-grown Tm,Ho:BaY₂F₈ laser crystal belongs to the monoclynicsystem and space group I41/a, the cell parameters calculated are: a = 0.69829 nm, b = 1.0519 nm, c = 0.42644 nm, β=99.676°, Z=2. Absorption spectra of Tm,Ho:BaY₂F₈ laser crystal at room temperature were measured and analysed, the absorption cross-section at 781nm calculated are 7.66×10^-21cm^-2.

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Advanced Materials Research (Volumes 335-336)

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1025-1028

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.1025

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September 2011

Authors:

Fan Ming Zeng, Guang Tian Zou, Jing He Liu

Keywords:

CZ, Ho:bay₂F₈, Spectrum Absorption, TM, X-Ray Diffraction (XRD)

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