Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.16.001354
Title: Probing negative refractive index of metamaterials by terahertz time-domain spectroscopy
Authors: Jiaguang, H. 
Issue Date: 21-Jan-2008
Source: Jiaguang, H. (2008-01-21). Probing negative refractive index of metamaterials by terahertz time-domain spectroscopy. Optics Express 16 (2) : 1354-1364. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.16.001354
Abstract: Terahertz time-domain spectroscopy (THz-TDS) offers a new perspective for extraction of negative refractive index of low-loss metamaterials directly. We present the detailed extraction procedure how to obtain the negative refractive index of metamaterials through THz-TDS measurement. The basic equations are deduced to obtain the negative index through comparison of THz data measured for the sample and reference, respectively. Further simulation examples matching the practical experimental cases are given, which verifies that the extraction procedure is reliable. This approach demonstrates the potential use of THz-TDS in study of metamaterials and is helpful for design of metamaterial devices. © 2007 Optical Society of America.
Source Title: Optics Express
URI: http://scholarbank.nus.edu.sg/handle/10635/97615
ISSN: 10944087
DOI: 10.1364/OE.16.001354
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