Characterization of the Organic Crystal DAST as a THz Emitter
LI Kun1, LI Chun1, HU Zhang-gui2, WANG Li1, ZHANG Jie1
1. Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China 2. Technical Institute of Physics and Chemistry of Chinese Academy of Sciences, Beijing 100080, China
摘要： 利用时域光谱技术分别测量了通过光整流法在国内新生长的有机晶体DAST和国际常用的高效能THz晶体ZnTe中产生的THz脉冲的时域光谱，也测量和分析了有机晶体DAST在THz波段的色散和吸收特性，并通过热辐射探测计(4.2 K Si-bolometer)测量了THz脉冲的绝对能量。结果表明，国内新生长的有机晶体DAST的确是一种高效率的THz产生晶体，优化生长条件后将可得到更高的产生效率。
关键词：THz;DAST;时域光谱;热辐射探测器
Abstract：Using THz time-domain spectroscopy, the home-grown organic crystal DAST and widely used high-efficient ZnTe were characterized as THz emitters. Bolometer was also used to measure the absolute energy of THz radiation from DAST and ZnTe. The refractive index and absorption coefficient of DAST were measured too. It is concluded that the home-grown DAST is a kind of high-efficiency THz material, and could become a good THz emitter and detector after the improvement in growing process.
李昆1, 李春1, 胡章贵2, 汪力1, 张杰1 . 利用国内生长的有机晶体DAST作为THz源的研究[J]. 光谱学与光谱分析, 2006, 26(10): 1777-1780.
LI Kun1, LI Chun1, HU Zhang-gui2, WANG Li1, ZHANG Jie1 . Characterization of the Organic Crystal DAST as a THz Emitter. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(10): 1777-1780.
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