Title :
Probing photoconductivity in discotic liquid crystals by terahertz time-domain spectroscopy
Author :
Xia, Chen ; Duzhko, Volodimyr ; Shi, Hefei ; Singer, Kenneth D. ; Shan, Jie
Author_Institution :
Department of Physics, Case Western Reserve University, 10900 Euclid Ave, Cleveland, Ohio, 44106, USA
Abstract :
Optical pump/terahertz probe spectroscopy was employed to investigate electronic charge transport in discotic liquid crystals. Frequency dependent complex conductivity was observed in phthalocyanines for a few hundred of picoseconds following a femtosecond photoexcitation.
Keywords :
Conductivity; Frequency dependence; Liquid crystals; Optical pumping; Photoconductivity; Probes; Spectroscopy; Time domain analysis; Ultrafast electronics; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431101
