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Measurement of Stokes parameters of terahertz radiation in terahertz time‐domain spectroscopy
Author(s) -
Dong Hui,
Gong Yandong,
Olivo Malini
Publication year - 2010
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.25450
Subject(s) - terahertz radiation , polarizer , stokes parameters , terahertz spectroscopy and technology , terahertz time domain spectroscopy , optics , detector , photomixing , microwave , spectroscopy , time domain , physics , optoelectronics , terahertz gap , radiation , materials science , far infrared laser , terahertz metamaterials , computer science , scattering , birefringence , laser , quantum mechanics , computer vision
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° and 45° for achieving the statistically best measurement accuracy in a single test. © 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
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