%0 Journal Article
%T Study of Far Field Temporal Characteristics of Terahertz Radiation Generated by Large-Aperture Photoconductive Antennas with Finite Thickness<br>有限厚大孔径光电导天线产生的太赫兹辐射远场时域特性分析
%A LI Fan
%A ZHANG Tong-yi
%A WANG Yi-shan
%A ZHU Shao-lan
%A ZHAO Wei
%A HOU Xun
%A <br>李凡
%A 张同意 王屹山 朱少岚 赵卫 侯洵
%J 光子学报
%D 2007
%I 
%X The far field temporal characteristics of terahertz radiation caused by biased large-aperture photoconductive antennas with finite thickness was analyzed using current surge model which not only include effects of finite lifetime and transient mobility,but also effects of optical time lag and absortion attenuation in photoconductor material.The dependence of the waveforms of the radiated field on optical fluence, carrier relaxation time,carrier lifetime and material thickness are discussed in detail.The contrast is made between terahertz temporal profiles including antennas thickness and excluding thickness.
%K Terahertz radiation
%K Photoconductive antennas
%K Current surge model
%K Ultrafast optical techniques<br>THz辐射波
%K 光电导天线
%K 电流起伏模型
%K 超快激光技术
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=9F6139E34DAA109F9C104697BF49FC39&aid=F0C25A089A8403F1D8CB0C68AAACE101&yid=A732AF04DDA03BB3&vid=933658645952ED9F&iid=E158A972A605785F&sid=4158386E7B9422C8&eid=3B2BF7AC5674E8E2&journal_id=1004-4213&journal_name=光子学报&referenced_num=3&reference_num=12