Temperature Evolution of the Dielectric Response of α-Lactose Monohydrate in the THz Frequency Range

Transmission spectra of pressed microcrystalline α-lactose monohydrate samples have been measured by THz time-domain spectroscopy in the temperature range of existence of the solid phase (10–475 K). An analysis of the observed absorption lines using the model of classical oscillator have revealed co...

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Bibliographic Details
Published inOptics and spectroscopy Vol. 128; no. 6; pp. 752 - 758
Main Authors Komandin, G. A., Porodinkov, O. E., Nozdrin, V. S., Musina, G. R., Chernomyrdin, N. V., Zaytsev, K. I., Spektor, I. E.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.06.2020
Springer Nature B.V
Subjects
Analytical chemistry
Biophotonics
Evolution
Food processing industry
Frequency ranges
Lactose
Lasers
Optical Devices
Optics
Pharmacology
Photonics
Physics
Physics and Astronomy
Resonant frequencies
Solid phases
Temperature
irreversible phase transitions
THz time-domain spectroscopy
disaccharides
α-lactose monohydrate
dielectric response
microcrystalline organic compounds
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Summary:Transmission spectra of pressed microcrystalline α-lactose monohydrate samples have been measured by THz time-domain spectroscopy in the temperature range of existence of the solid phase (10–475 K). An analysis of the observed absorption lines using the model of classical oscillator have revealed complex temperature evolution of resonance eigenfrequencies and determined the range of existence of a phase of α-lactose monohydrate response. The obtained data can be used in practice in various fields of THz optics, including pharmacology, food industry, analytical chemistry, and biophotonics.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X20060119