Probing dielectric relaxation properties of liquid CS2 with terahertz time-domain spectroscopy

被引：30
|
作者：
Yu, BL [1 ]
Zeng, F
Xing, Q
Alfano, RR
机构：
[1] CUNY City Coll, Inst Ultrafast Spect & Lasers, New York, NY 10031 USA
[2] CUNY City Coll, New York State Ctr Adv Technol Ultrafast Photon M, New York, NY 10031 USA
[3] Grad Ctr, New York, NY 10031 USA
来源：
APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 26期
关键词：
D O I：
10.1063/1.1586995
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Terahertz time-domain spectroscopy is used to investigate the dielectric relaxation properties of liquid CS2. The frequency-dependent absorption coefficient and index of refraction were measured in the frequency range 0.2-2.0 THz. The ultrafast dielectric relaxation time of liquid CS2 was determined to be 630+/-30 fs by fitting the dielectric function to the Debye model which is attributed to average time for rocking and rotational response of the CS2 molecules possessing an anisotropic polarizability. (C) 2003 American Institute of Physics.
引用
收藏
页码：4633 / 4635
页数：3
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