Title :
Measuring the THz optical constants of low-absorbing polymers
Author :
Puhringer, Harald ; Pfleger, Michael ; Katletz, Stefan ; Wiesauer, Karin
Author_Institution :
Res. Center for Non Destruct. Testing GmbH, Linz, Austria
Abstract :
We develop a stacking technique for precisely measuring the terahertz (THz) refractive index and absorption coefficient of low-absorbing polyethylene. Due to an increased interaction length more reliable results with considerably smaller confidence intervals are obtained.
Keywords :
absorption coefficients; optical polymers; optical variables measurement; refractive index; terahertz materials; THz optical constants; absorption coefficient; confidence intervals; interaction length; low-absorbing polyethylene; low-absorbing polymers; refractive index; stacking technique; Couplings; Optical reflection; Optical refraction; Optical variables control; Plastics; Refractive index;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
Conference_Location :
Mainz
DOI :
10.1109/IRMMW-THz.2013.6665784
