Preparation of (KBr-KCl)(OH-):(F2+)H color center laser crystal series and their spectral characteristics by Jihuai Wu, Changcang Huang, and Chenghuang Xu

Crystal Research and Technology

Cryst. Res. Technol. 38, 1052 (2003) - Abstract -

Preparation of (KBr-KCl)(OH^-):(F₂⁺)_H color center laser crystal series and their spectral characteristics

Jihuai Wu, Changcang Huang*, and Chenghuang Xu

Instituted of Materials Physical Chemistry, Huaqiao Universty, Quanzhou, Fujian 362011, P. R. China
*Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, P. R. China

Keywords	laser crystal, color center, alkali halides, single crystal growth
PACS	42.55.Rz
DOI	10.1002/crat.200310135

In order to adjust and broaden the absorption spectrum and emission spectrum of the (F₂⁺)_H type color center so as to match up to the pumping and to fit in with the demand of application, a (KBr-KCl)(OH^-):(F₂⁺)_H color center laser crystal series was prepared by the process of single crystal growth, additive coloration, anneal, and light aggregation at 290 K and 77 K. The spectral characteristics of (KBr-KCl)(OH^-) crystals are investigated. It is found that the absorption and emission band of the (F₂⁺)_H color centers in KBr-KCl complex host crystals has a considerable adjustment and extensions compared to the color centers in single KBr or KCl crystal.

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