Simultaneous measurement of circular dichroism and Faraday rotation at terahertz frequencies utilizing electric field sensitive detection via polarization modulation

被引：26
作者：
Jenkins, G. S. [1 ]
Schmadel, D. C. [1 ]
Drew, H. D. [1 ]
机构：
[1] Univ Maryland, Dept Phys, Ctr Nanophys & Adv Mat, College Pk, MD 20742 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 08期
关键词：
FAR-INFRARED-LASERS; HALL SCATTERING; SUPERCONDUCTORS; TEMPERATURE;
D O I：
10.1063/1.3480554
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A far-infrared system measures the full complex Faraday angle, the rotation as well as the ellipticity, with an unprecedented accuracy of 10 mu rad/T. The system operates on several far-infrared laser lines in the spectral range from 0.3 to 6 THz and produces results as a continuous function of temperature from 10 to 310 K and applied fields between +/-8 T. Performance of the instrument is demonstrated by measurements on a GaAs two-dimensional electron gas heterostructure and Bi(2)Sr(2)CaCu(2)O(8+x) single crystal. (C) 2010 American Institute of Physics. [doi:10.1063/1.3480554]
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页数：10
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