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  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper CC_P_5

Errors in the Quantitative Determination of Terahertz Optical Properties in Time-Domain Terahertz Spectroscopy

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Abstract

THz time-domain spectroscopy (THz-TDS) has provided an important approach to investigate the optical properties of various materials. A four-mirror transmission geometry set-up is usually applied to characterize materials with good transparency in the THz frequency range, in which the THz beam can be tightly focused onto the sample. However, a focus displacement induced by the sample will influence the accuracy of the quantitative values of the optical constants, which has not been discussed in detail up to now.

© 2015 IEEE

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