Time-Frequency Analysis of Dark-Waves
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)（2023）
摘要
High-quality ultrashort mid-IR pulses are highly demanded in time-resolved spectroscopy with equal significance in molecular spectroscopy (molecular fingerprint region: 3um-30um) and strong-field physics. Applied fields are biochemical research and medical diagnostics, femto chemistry, high-harmonic generation, electron-diffraction imaging [1], etc. A high-energy mid-infrared pulse can specifically target the excitation of interest at the required photon energy reducing the unwanted relaxation processes; however, a short pulse duration is needed to reach the high temporal resolution. In this work, we present the time-frequency analysis of field-resolved measurements. The measured electric field contains all relevant information for constructive and destructive interference from an exponentially decaying single Lorentzian oscillator mode (dark wave).
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关键词
3um-30um,applied fields,biochemical research,dark wave,dark-waves,electron-diffraction imaging,equal significance,exponentially decaying single Lorentzian oscillator mode,femto chemistry,field-resolved measurements,high temporal resolution,high-energy mid-infrared pulse,high-harmonic generation,high-quality ultrashort mid-IR pulses,measured electric field,medical diagnostics,molecular fingerprint region,molecular spectroscopy,required photon energy,short pulse duration,strong-field physics,time-frequency analysis,time-resolved spectroscopy,unwanted relaxation processes
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