研究目的
Investigating the effect of trajectory related parameters like electron energy or CEP on the PECD to determine the role of the scattering on the chiral potential.
研究成果
The results show a trend of increasing value of MP-PECD parameter in the range of electron energy from 1 to 5 eV, reaching values up to 5 %. This may be interpreted as a signature of the influence of the chiral molecular potential on the electrons trajectory.
研究不足
The study is limited by the current understanding of PECD in the tunneling regime and the specific conditions of the experiment (laser intensities, electron energy range).
1：Experimental Design and Method Selection:
Few-cycle laser pulses (5 fs) based on 800 nm, 5 kHz Ti:Sapphire setup were used to ionize chiral methyloxirane molecules. Linear polarization of the broadband laser pulse was converted to circular using a super-achromatic quarter waveplate producing two helicities.
2：Sample Selection and Data Sources:
Chiral methyloxirane molecules injected with a super-sonic jet to a COLTRIMS apparatus that allows to detect electrons and ions in coincidence.
3：List of Experimental Equipment and Materials:
Ti:Sapphire laser setup, super-achromatic quarter waveplate, COLTRIMS apparatus.
4：Experimental Procedures and Operational Workflow:
The experiment was performed in two laser intensities estimated as 1x1014 W/cm2 and 5x1014 W/cm
5：Data Analysis Methods:
The MP-PECD parameter was evaluated for two helicities and two laser intensities.
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