Light-induced Difference Terahertz Spectroscopy |
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| Authors: | YC Shen PC Upadhya AG Davies EH Linfield |
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| Institution: | (1) Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE, UK;(2) School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UK |
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| Abstract: | Visible/near-infraredlaser-induced difference spectroscopy basedon a time-domain terahertz system has beendeveloped, and used to study copperpathancyonine. We find that the absorptionpeak of this molecule at 1.08 THz changessignificantly under 790 nm laserexcitation, suggesting that we haveobserved the first evidence of vibrationalmode changes in the THz range induced byvisible/near-infrared light. |
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| Keywords: | Difference spectroscopy pathancyonine terahertz spectroscopy time-domain |
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