Terahertz time-domain spectroscopy of Cd1-xZnxTe single crystal

Reng Wang; Xingcao Lin; Liping Zhang; Kefeng Zhang; Cuiling Jiao; Ye Lu; Xiangyang Li; Jin Ge; Shuhong Hu; Ning Dai

doi:10.1117/12.952479

15 October 2012 Terahertz time-domain spectroscopy of Cd_1-xZn_xTe single crystal

Reng Wang, Xingcao Lin, Liping Zhang, Kefeng Zhang, Cuiling Jiao, Ye Lu, Xiangyang Li, Jin Ge, Shuhong Hu, Ning Dai

Proceedings Volume 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy; 84190L (2012) https://doi.org/10.1117/12.952479
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

Cd₁_-xZn_xTe single crystals were grown by Vertical Bridgman method. The optic and dielectric properties of Cd_1-xZn_xTe (× = 0.04) single crystals in 0.2−2.5 THz frequency range have been investigated by using transmission-type THz timedomain spectroscopy. Two absorption modes at 1.6 THz and at 2.1 THz were observed, which were attributed to the quasi-local mode of ZnTe in CdTe and to the CdTe 2TA phonon process, respectively. The complex refractive index and dielectric function were extracted from the measured transmittance and phase shift in 0.2−2.5 THz range

Citation Download Citation

Reng Wang, Xingcao Lin, Liping Zhang, Kefeng Zhang, Cuiling Jiao, Ye Lu, Xiangyang Li, Jin Ge, Shuhong Hu, and Ning Dai "Terahertz time-domain spectroscopy of Cd_1-xZn_xTe single crystal", Proc. SPIE 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy, 84190L (15 October 2012); https://doi.org/10.1117/12.952479

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