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Reducing scattering related features in terhertz time domain spectroscopy by averaging the impulse waveform over a plurality of sample points
Reducing scattering related features in terhertz time domain spectroscopy by averaging the impulse waveform over a plurality of sample points
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机译:通过对多个采样点上的脉冲波形求平均来减少太赫兹时域光谱中与散射相关的特征
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摘要
A method of investigating an object, comprising the steps of: (a) irradiating the object with an optically-generated pulse of electromagnetic radiation, said pulse having a plurality of frequencies in the range from 100 GHz to 100 THz; (b) detecting radiation transmitted and/or reflected from the object to obtain a time domain waveform; (c) repeating steps (a) and (b) for a plurality of points on the object and (d) combining data from step (c) to produce a time domain waveform for the object which has been averaged over the plurality of points.
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