%0 Journal Article
%T The study of narrow-band terahertz-wave generation by difference frequency mixing in periodical-inverted GaAs crystal with ps pump pulses<br>周期结构GaAs晶体ps脉冲差频产生窄带THz辐射的研究
%A Wang Zhuo
%A Wang Yu-Ye
%A Yao Jian-Quan
%A Wang Peng
%A <br>王卓
%A 王与烨
%A 姚建铨
%A 王鹏
%J 物理学报
%D 2010
%I 
%X In this paper, the tuning of walk-off length and the optimal period of periodical-inverted GaAs crystal in narrow-band terahertz-wave generation by difference frequency mixing was numerical simulated and analyzed in the condition of different wavelengths and durations of pump pulse.The influence of the number of domains of periodically-inverted GaAs crystal on the THz-wave spectrum was also studied.The temperature tuning properties in periodical-inverted GaAs crystal were calculated and analyzed with the temperature dependent Sellmeier function of GaAs crystal; the influence of temperature tuning on the THz-wave spectrum was also studied.The simulation showed a new way to generate the wide-tunable narrow-band THz wave with temperature tuning.These theoretical calculations served for the subsequent experiment as theoretical basis and reference.
%K ps pulse
%K difference-frequency-mixing (DFG) narrow-band THz wave
%K periodical-inverted GaAs crystal
%K temperature tuning<br>ps脉冲，
%K 差频产生窄带THz波，
%K 周期结构GaAs晶体，
%K 温度调谐
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=0445759F4433675D76B282A734562D40&yid=140ECF96957D60B2&vid=6AC2A205FBB0EF23&iid=94C357A881DFC066&sid=2A42579B1796494F&eid=A781300C7FBD181C&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=12