Temperature-Dependent Dielectric Characterization of Magneto-Optical Tb3Sc2Al3O12 Crystal Investigated by Terahertz Time-Domain Spectroscopy

doi:10.1088/0256-307X/36/4/044203

	Temperature-Dependent Dielectric Characterization of Magneto-Optical Tb3Sc2Al3O12 Crystal Investigated by Terahertz Time-Domain Spectroscopy
	Li, Ju-Geng; Yang, Sen-Miao; Chen, Xin; Zhuang, Nai-Feng; Zhu, Qi-Biao; Wu, An-Hua; Lin, Xian; Ma, Guo-Hong; Jin, Zuan-Ming; Yao, Jian-Quan
刊名	CHINESE PHYSICS LETTERS
	2019-04-01
卷号	36 期号:4
ISSN号	0256-307X
DOI	10.1088/0256-307X/36/4/044203
文献子类	Article
英文摘要	Terbium scandium aluminum garnet (TSAG) crystals have been widely used in magneto-optical systems. We investigate the complex refractive index of the TSAG crystal in the terahertz frequency range using terahertz (THz) time-domain spectroscopy in the temperature range 100-300 K. It is observed that the refractive index and the absorption coefficient increase with the THz frequency. The refractive index increases with the temperature. We measure the temperature coefficient of the refractive index of the TSAG crystal in the frequency range 0.4-1.4 THz. Furthermore, the loss tangent, i.e., the ratio of experimental values of the imaginary and real part of the dielectric permittivity, is found to be almost independent of frequency. TSAG is very promising for applications in THz optoelectronics because it has a high dielectric constant, low loss, and low thermal coefficient of the dielectric constant.
WOS研究方向	Physics
语种	英语
出版者	IOP PUBLISHING LTD
内容类型	期刊论文
源URL	[http://ir.sic.ac.cn/handle/331005/27220]
专题	中国科学院上海硅酸盐研究所
推荐引用方式 GB/T 7714	Li, Ju-Geng,Yang, Sen-Miao,Chen, Xin,et al. Temperature-Dependent Dielectric Characterization of Magneto-Optical Tb3Sc2Al3O12 Crystal Investigated by Terahertz Time-Domain Spectroscopy[J]. CHINESE PHYSICS LETTERS,2019,36(4).
APA	Li, Ju-Geng.,Yang, Sen-Miao.,Chen, Xin.,Zhuang, Nai-Feng.,Zhu, Qi-Biao.,...&Yao, Jian-Quan.(2019).Temperature-Dependent Dielectric Characterization of Magneto-Optical Tb3Sc2Al3O12 Crystal Investigated by Terahertz Time-Domain Spectroscopy.CHINESE PHYSICS LETTERS,36(4).
MLA	Li, Ju-Geng,et al."Temperature-Dependent Dielectric Characterization of Magneto-Optical Tb3Sc2Al3O12 Crystal Investigated by Terahertz Time-Domain Spectroscopy".CHINESE PHYSICS LETTERS 36.4(2019).