Crystal growth and spectral analysis of Dy3+ and Er3+ doped KPb2Cl5 as a mid-infrared laser crystal by Yan Wang, Jianfu Li, Chaoyang Tu, Zhenyu You, Zhaojie Zhu, and Baichang Wu

Crystal Research and Technology

Cryst. Res. Technol. 42, 1063 (2007) - Abstract -

Crystal growth and spectral analysis of Dy³⁺ and Er³⁺ doped KPb₂Cl₅ as a mid-infrared laser crystal

Yan Wang, Jianfu Li, Chaoyang Tu, Zhenyu You, Zhaojie Zhu, and Baichang Wu

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China

Keywords	mid-infrared laser crystal, potassium lead chloride, crystal growth, spectral analysis
PACS	42.70.Hj, 78.20.-e
DOI	10.1002/crat.200710967

This paper reports crystal growth and optical characteristics of dysprosium (Dy³⁺) and erbium (Er³⁺) doped mid-infrared laser crystal ternary-potassium-lead-chloride (KPb₂Cl₅).Two transparent crystals with good optical quality have been grown successfully by using the Bridgman technique, the largest crystal size reaches up to 10 mm diameter and 60mm legnth. Measurements of X-ray diffraction (XRD) and absorption spectra were carried out. Based on Judd-Ofelt theory, the intensity parameters, the experimental and theoretical oscillator strengths have been obtained.

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