红外与毫米波学报, 2009, 28 (1): 1, 网络出版: 2010-12-13
碲-熔剂方法生长ZnTe单晶的太赫兹辐射及探测
THz EMISSION AND DETECTION OF ZnTe BULK CRYSTALS GROWN BY Te SOLVENT METHOD
ZnTe单晶 太赫兹时域光谱系统(THz—TDS) Te溶剂方法 ZnTe crystal terahertz-time domain spectroscopy(THz-TDS) Te-solvent method
摘要
通过Te熔剂方法生长出〈110〉晶向的ZnTe单晶,利用X射线衍射(XRD)及拉曼光谱对该材料进行了测试.详细研究了太赫兹时域光谱系统中该ZnTe单晶作为激发和探测晶体的辐射和探测特性.结果表明在钛-宝石激光器的泵浦下,Te熔剂方法生长的〈110〉晶向的ZnTe晶体表现出良好的THz辐射性能,室温下激发频谱可达3THz以上.
Abstract
〈110〉 oriented ZnTe crystals were grown by Te-solvent method and tested by X-ray diffraction (XRD) and Raman scattering measurements. THz generation and detection characteristics of the Te-solvent-grown ZnTe electro-optic crystals were studied in detail in Terahertz-time domain spectroscopy. Our results show that the 〈 110 〉 -oriented ZnTe crystals can emit high signal noise ratio THz signal pumped by Ti: sapphire laser, and the THz pulse' s width is over 3 THz at the room temperature.
王仍, 葛进, 方维政, 张惠尔, 胡淑红, 戴宁, 李栋, 马国宏. 碲-熔剂方法生长ZnTe单晶的太赫兹辐射及探测[J]. 红外与毫米波学报, 2009, 28(1): 1. WANG Reng, GE Jin, FANG Wei-Zheng, ZHANG Hui-Er, HU Shu-Hong, DAI Ning, LI Dong, MA Guo-Hong. THz EMISSION AND DETECTION OF ZnTe BULK CRYSTALS GROWN BY Te SOLVENT METHOD[J]. Journal of Infrared and Millimeter Waves, 2009, 28(1): 1.