MEASUREMENT OF STOKES PARAMETERS OF TERAHERTZ RADIATION IN TERAHERTZ TIME-DOMAIN SPECTROSCOPY

被引：14
|
作者：
Dong, Hui [1 ]
Gong, Yandong [1 ]
Olivo, Malini [2 ,3 ,4 ]
机构：
[1] Inst Infocomm Res, Singapore 138632, Singapore
[2] Natl Canc Ctr, Singapore 169610, Singapore
[3] Inst Biomed Sci, Singapore Bioimaging Consortium, Singapore 138667, Singapore
[4] Natl Univ Ireland, Sch Phys, Galway, Ireland
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2010年 / 52卷 / 10期
关键词：
terahertz time-domain spectroscopy; state of polarization; Stokes parameters; POLARIZATION STATE; MUELLER MATRIX;
D O I：
10.1002/mop.25450
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a technique for the measurement of Stokes parameters of terahertz radiation in terahertz time-domain spectroscopy (THz-TDS). In this technique, a rotatable wire-grid THz polarizer is placed in front of a two-contact photoconductive THz detector. Stokes parameters can be measured by making two temporal scans corresponding to two angles of the polarizer. We theoretically demonstrate that the two angles can be -45 degrees and 45 degrees for achieving the statistically best measurement accuracy in a single test. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2319-2324, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25450
引用
收藏
页码：2319 / 2324
页数：6
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