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

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posted on 2023-04-28, 20:16 authored by Keir MurphyKeir Murphy, Daniel Markl, Alison Nordon, Mira Nfataly

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 particle size and concentration. An explanation is proposed, based on varying optical thickness of the sample material. 


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Univeristy of Strathclyde

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  • United Kingdom

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