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Wednesday, February 3, 2016
Abstract-Heating system of pellet samples integrated with terahertz spectrometer
http://www.ncbi.nlm.nih.gov/pubmed/26827308
This article describes automation of temperature-dependent terahertz spectroscopic experiments. The proposed dual-heater temperature controller based on a cascade proportional-integral-derivative algorithm provides smooth temperature changes in the polyethylene-based pharmaceutical pellet samples. The device has been integrated with a terahertz time-domain spectrometer. Thermodynamic experiments can now be performed without any probe inserted into the measured sample. Selected results of temperature-induced evolution in terahertz spectra are presented.
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