作者: Q. Wu, X.-C. Zhang,
期刊: Applied Physics Letters (AIP Available online 1997) 卷期: Volume 70, issue 14
页码: 1784-1786
ISSN:0003-6951
年代: 1997
DOI:10.1063/1.118691
出版商: AIP
数据来源: AIP
摘要:
We report a broadband coherent terahertz detection system using GaP as a free-space electro-optic field sensor with a demonstrated 3 dB bandwidth of 3.6 THz, useful bandwidth of 7 THz, and a pulse width of 185 fs. These figures represent new records in the coherent detection of free-space THz radiation. Sensor response as a function of crystal thickness and copropagation velocity mismatch dispersion in the THz regime is studied. ©1997 American Institute of Physics.
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