Title :
Using terahertz time-domain spectroscopy to determine the glass transition temperature of heavy oils
Author :
Kabir, A. ; Wang, Z. ; Titova, L.V. ; Ayesheshim, A. ; Abivin, P. ; Cheng, Y. ; Taylor, S.D. ; Indo, K. ; Hegmann, F.A.
Author_Institution :
Dept. of Phys., Univ. of Alberta, Edmonton, AB, Canada
Abstract :
Terahertz time-domain spectroscopy is used to measure the temperature-dependent refractive index of heavy oils down to 80 K. Evidence for a glass transition is observed, providing insight into the viscosity-temperature behavior of heavy oils.
Keywords :
glass transition; oils; refractive index measurement; terahertz wave spectra; viscosity; glass transition temperature; heavy oils; temperature-dependent refractive index; terahertz time-domain spectroscopy; viscosity-temperature behavior; Glass; Oils; Refractive index; Spectroscopy; Temperature distribution; Temperature measurement; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
