摘要：

关键词：太赫兹 时域光谱 掺杂 氧化锌晶体 直流电阻率 

单位：中国科学院物理研究所光物理实验室，北京100080; 首都师范大学物理系，北京100037; CenterforTerahertzResearch; RensselaerPolytechnicInstitute; Troy; NY12180; USA; DepartmentofPhysics; CollegeofEducation; ChonbukNationalUniversity; Chonju; Korea; DepartmentofScienceEducation; ChonjuNationalUniversityofEducation; Chonju; Korea