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1、第6讲 太赫兹波 邢歧荣 1 WhatisTHzradiationAnexampleofTHzsystem3 Application THzRADIATIONWAVE 1THz 1012Hz radiationintheterahertzrange looselydefinedaso 1 10THz spanstherelativelyundevelopedgapbetweenelectronics onthelowendofthespectrum andopticsonthehighfrequencyend ELECTROMAGNETICWAVE THztime domainspectros
2、copysystembasedontheopticalrectificationpumpedbyfemtosecondlasers THzsignalofbacillussubtilisintimedomain left andFouriertransform right Time domainSpectrum Time ResolvedTHzSpectroscopy OpticalPhononDynamicsofGaAs Imaging CharacterofTHz Frequency 0 1 10THzCoherentradiationwithverylowpowerGateddetection insensitivetothermalbackground veryhighsensitivitywithdynamicrangeupto106inE fieldE fieldmeasurement amplitudeandphasenon destructivetolivingtissue