Observation of spurious spectral features in mixed-powder compressed pellets measured by terahertz time-domain spectroscopy

Murphy, Keir N and Markl, Daniel and Nordon, Alison and Naftaly, Mira (2023) Observation of spurious spectral features in mixed-powder compressed pellets measured by terahertz time-domain spectroscopy. IEEE Transactions on Terahertz Science & Technology, 13 (5). pp. 569-572. ISSN 2156-3446 (https://doi.org/10.1109/tthz.2023.3290118)

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Abstract

Spurious loss features were observed in mixed-powder compressed pellets measured in transmission using terahertz time-domain spectroscopy. Loss features were identified in two types of pellets: PTFE-glass microspheres and PTFE-lactose. The features were found to be dependent on grain size and concentration. An explanation is proposed, based on varying optical thickness of the sample material.

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• Item metadata

  Item type:	Article
  ID code:	86056
  Dates:	Date Event 1 September 2023 Published 27 June 2023 Published Online 25 May 2023 Accepted
  Subjects:	Science > Physics > Optics. Light Technology > Chemical technology
  Department:	Faculty of Science > Strathclyde Institute of Pharmacy and Biomedical Sciences Technology and Innovation Centre > Continuous Manufacturing and Crystallisation (CMAC) Faculty of Science > Pure and Applied Chemistry
  Depositing user:	Pure Administrator
  Date deposited:	06 Jul 2023 10:35
  Last modified:	27 Apr 2024 13:35
  URI:	https://strathprints.strath.ac.uk/id/eprint/86056