Terahertz Absorption Characteristics of Polytetrafluoroethylene

Qi, 李琦 Li; Xin, 迟欣 Chi; Jixin, 单纪鑫 Shan; Huaiyong, 张怀勇 Zhang; Qi, 王骐 Wang

doi:10.3788/cjl20083505.0756

中国激光

2008

DOI: 10.3788/cjl20083505.0756

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Terahertz Absorption Characteristics of Polytetrafluoroethylene

李琦 Li Qi¹,

迟欣 Chi Xin²,

单纪鑫 Shan Jixin³

et al.

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2010

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“…Among the THz techniques, THz time-domain spectroscopy (THz-TDS) [2] is a landmark detection modality by which the phase and amplitude of THz radiation can be obtained simultaneously. THz-TDS has opened up its applications in various fields, such as spectroscopy [3,4] , imaging [5,6] , biology [7] , photonics [8] , and communications. As a key component of many applications, THz waveguides have been widely studied.…”

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confidence: 99%

太赫兹波导模式在连续小波域中的分析

Gu¹,

Tian²,

Xing³

et al. 2010

中国光学快报

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Conventional analytical methods in the wavelet domain are used to present an analysis of terahertz (THz) waveguide modes. To obtain THz radiation pulses passing through a waveguide, we build a simple experimental system with a 5-mm-long, 230-µm-inner-diameter stainless steel waveguide. The single-mode guided signal from the experiments and the multi-mode signal of a similar THz waveguide reported in the literature are analyzed using the continuous wavelet transform (CWT). The results demonstrate that analyzing THz waveguide modes in the wavelet domain not only possesses all the functionality of the traditional THz time-domain spectroscopy (TDS) data processing but also has the ability to unscramble quantitatively and intuitively detailed information about the target samples, such as mode type, cut-off frequency, amplitude distinction, and group velocity.

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mentioning

confidence: 99%

太赫兹波导模式在连续小波域中的分析

Gu¹,

Tian²,

Xing³

et al. 2010

中国光学快报

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Terahertz Absorption Characteristics of Polytetrafluoroethylene

Cited by 1 publication

References 0 publications

太赫兹波导模式在连续小波域中的分析

太赫兹波导模式在连续小波域中的分析

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