Terahertz wave generation from liquid nitrogen

查看全文 作　　者：ALEXEI [1,2]V.BALAKIN;JEAN-LOUIS [3]COUTAZ;VLADIMIR [1,2]A.MAKAROV;IGOR [4,5]A.KOTELNIKOV;YAN [1]PENG;PETER [1,6]M.SOLYANKIN;YIMING [1]ZHU;ALEXANDER [1,2]P.SHKURINOV

机构地区：[1]Terahertz Technology Innovation Research Institute, Shanghai Key Laboratory of Modern Optical System, Terahertz Spectrum and Imaging Technology Cooperative Innovation Center, University of Shanghai for Science and Technology ,Shanghai 200093, China;[2]Faculty of Physics and International Laser Center, Lomonosov Moscow State University,Moscow 119991, Russia;[3]IMEP-LAHC, UMR CNRS 5130, Université Savoie Mont-Blanc, Campus scientifique, 73376 Le Bourget du Lac Cedex, France;[4]Budker Institute of Nuclear Physics ,Novosibirsk 630090, Russia;[5]Novosibirsk State University, Novosibirsk 630090, Russia;[6]Institute on Laser and Information Technologies–Branch of the Federal Scientific Research Centre 'Crystallography and Photonics' of Russian Academy of Sciences ,Svyatoozerskaya 1, Shatura 140700, Russia

出　　处：《Photonics Research》索引2019年第7卷第6期,共9页

基　　金：Russian Foundation for Basic Research(RFBR)(17-02-01217,18-29-20104,18-52-16016);Major National Development Project of Scientific Instrument and Equipment,China(2016YFF0100503);National Natural Science Foundation of China(NSFC)(61722111);111 Project,China(D18014);International Joint Lab Program supported by Science and Technology Commission of Shanghai Municipality(STCSM)(17590750300) 摘　　要：We present the results of research carried out for the first time, to the best of our knowledge, on the generation of terahertz radiation under the action of 'single-color' and 'dual-color' high-power femtosecond laser pulses on liquefied gas–liquid nitrogen. Our experimental results supported by careful theoretical interpretation showed clearly that under femtosecond laser radiation, liquid and air emit terahertz waves in a very different way. We assumed that the mobility of ions and electrons in liquid can play an essential role, forming a quasi-static electric field by means of ambipolar diffusion mechanism. 关键词：TERAHERTZ WAVE LIQUID NITROGEN

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Terahertz wave generation from liquid nitrogen

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