Regensburg 2010 – scientific programme
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DY: Fachverband Dynamik und Statistische Physik
DY 18: Glasses I (joint session of CPP, DF, DY)
DY 18.2: Talk
Wednesday, March 24, 2010, 14:30–14:45, H48
THz Signatures of the Glass Transitions in Polymers — •Marco Reuter1, Steffen Wietzke2,3, Christian Jansen2,3, Tilmann Jung1, Sangam Chatterjee1, Wiebke Dempwolf4, Henning Menzel4, and Koch Martin1,3 — 1Fachbereich Physik, Philipps-Universität Marburg, Renthof 5, 35032 Marburg, Germany — 2Institut für Hochfrequenztechnik, TU Braunschweig, Schleinitzstr. 22, 38106 Braunschweig, Germany — 3Joint Optical Metrology Center, c/o TU Braunschweig, Fakultät für Elektrotechnik und Informationstechnik, Hans-Sommer-Str. 66, 38106 Braunschweig, Germany — 4Institut für Technische Chemie, TU Braunschweig, Hans-Sommer-Str. 10, 38106 Braunschweig, Germany
The glass transition temperature of polymers is found with terahertz time-domain spectroscopy. In the region of the glass transition the thermo-quasi-optic coefficient changes noticeably. THz time-domain spectroscopy is a non-destructive and non-contact technique to analyse polymers.