1 March 1992 Time-resolved vibrational spectroscopy of liquid crystals and polymer films using step-scan 2-D FTIR
Author Affiliations +
Proceedings Volume 1575, 8th Intl Conf on Fourier Transform Spectroscopy; (1992) https://doi.org/10.1117/12.56295
Event: Eighth International Conference on Fourier Transform Spectroscopy, 1991, Lubeck-Travemunde, Germany
Abstract
The application of step-scan interferometry to the determination of two-dimensional infrared (2-D FT-IR) spectra is reported here. Two experiments are discussed; the first monitors the dynamic changes in the IR transmission spectrum of a polymer film due to the application of a small amplitude oscillatory stress. The other experiment involves a study of the kinetics of reorientation of uniaxially aligned nematic liquid crystals under the influence of external ac electric fields. In both cases, the dynamic IR signals originate from the reorientation of the electric-dipole transition moments, and thus provide information at the molecular level about the macroscopic behavior of the systems under investigation.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vasilis G. Gregoriou, James L. Chao, Hirokazu Toriumi, Curtis A. Marcott, Isao Noda, Richard Alan Palmer, "Time-resolved vibrational spectroscopy of liquid crystals and polymer films using step-scan 2-D FTIR", Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); doi: 10.1117/12.56295; https://doi.org/10.1117/12.56295
PROCEEDINGS
2 PAGES


SHARE
Back to Top