Title :
Dielectric properties of GaSe crystal measured by Terahertz time-domain spectroscopy
Author :
Zhang, Dong-wen ; Lv, Zhi-hui ; Sun, Lin ; Yuan, Jian-min
Author_Institution :
Dept. of Phys., Nat. Univ. of Defense Technol., Changsha
Abstract :
This paper presents the refractive index, absorption coefficient of layered GaSe crystal by means of terahertz time-domain spectroscopy. A unique resonance peak was observed at 0.59 THz (19.6 cm-1 ), which attributes to the E´ phonon mode of epsiv-GaSe.
Keywords :
absorption coefficients; dielectric properties; gallium compounds; refractive index; submillimetre wave spectroscopy; GaSe; absorption coefficients; crystal dielectric properties; frequency 0.59 THz; refractive index; terahertz time-domain spectroscopy; Dielectric measurements; Electrochemical impedance spectroscopy; Gases; Noise cancellation; Nonlinear optics; Optical noise; Optical refraction; Optical sensors; Submillimeter wave measurements; Time domain analysis;
Conference_Titel :
Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz. Joint 32nd International Conference on
Conference_Location :
Cardiff
Print_ISBN :
978-1-4244-1438-3
DOI :
10.1109/ICIMW.2007.4516478
