Fe^(2+):ZnSe晶体制备及光学吸收

Preparation and Optical Absorption of Fe^(2+):ZnSe Crystal

本文采用热扩散掺杂技术制备了Fe2+∶ZnSe晶体,获得尺寸达20 mm×2.0 mm的晶体样品。光谱测试分析结果显示,晶体样品在3.0μm附近具有显著的Fe2+∶ZnSe晶体的特征吸收,相对吸收强度达85%;通过ICP-AES测试该晶体样品中铁离子为4.5×1017cm-3;分析了影响掺杂铁离子浓度的主要因素。

The Fe2＋ ： ZnSe crystal with the diameter of 20 mm and the thickness of 2.0 mm has been prepared by thermal diffusion doping technique. Based on the spectral measurement, the crystal sample shows that it has significant characteristic absorption peaks of the Fe2＋ ： ZnSe crystal around 3.0μm, and the relative absorption intensity approaches to nearly 85%. The iron ions doping concentration in the crystal sample is 4.5 ×10^17 cm-3 which is detected by the Inductively Coupled Plasma Atomic Emission Spectrometry （ICP-AES）. The main factor impacting on iron ions doping concentration was investigated.