Terahertz time-domain spectroscopy and micro-cavity components for probing samples: a review

Lin CHEN; Deng-gao LIAO; Xu-guang GUO; Jia-yu ZHAO; Yi-ming ZHU; Song-lin ZHUANG

doi:10.1631/FITEE.1800633

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Terahertz time-domain spectroscopy and micro-cavity components for probing samples: a review

Special Feature on Precision Measurement and Instrumentation Technology | Updated：2022-05-19

- Terahertz time-domain spectroscopy and micro-cavity components for probing samples: a review
- 利用太赫兹时域光谱法和微腔器件检测样品：综述
- Frontiers of Information Technology & Electronic Engineering Vol. 20, Issue 5, Pages: 591-607(2019)
- Affiliations：
  
  Shanghai Key Lab of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
  Shanghai Cooperation Innovation Centre of Terahertz Spectroscopy and Imaging Technology, Shanghai 200093, China
  Cooperative Innovation Center of Terahertz Science, University of Electronic Science and Technology, Chengdu 611731, China
- Author bio：
  
  [ "Lin CHEN, E-mail: linchen@usst.edu.cn" ]
  [ "Yi-ming ZHU, E-mail: ymzhu@usst.edu.cn" ]
  Song-lin ZHUANG, E-mail: slzhuang@yahoo.com
- Funds：
- DOI：10.1631/FITEE.1800633
  CLC： O441
- Received：11 October 2018，
  
  Revised：2019-;5-13，
  
  Published：2019-05
- Accepted：
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Lin CHEN, Deng-gao LIAO, Xu-guang GUO, et al. Terahertz time-domain spectroscopy and micro-cavity components for probing samples: a review[J]. Frontiers of Information Technology & Electronic Engineering, 2019, 20(5): 591-607.
DOI：

Lin CHEN, Deng-gao LIAO, Xu-guang GUO, et al. Terahertz time-domain spectroscopy and micro-cavity components for probing samples: a review[J]. Frontiers of Information Technology & Electronic Engineering, 2019, 20(5): 591-607. DOI： 10.1631/FITEE.1800633.

摘要

Abstract

We give a brief review of the developments in terahertz time-domain spectroscopy (THz-TDS) systems and microcavity components for probing samples in the University of Shanghai for Science and Technology. The broadband terahertz (THz) radiation sources based on GaAs m-i-n diodes have been investigated by applying high electric fields. Then

the free space THz-TDS and fiber-coupled THz-TDS systems produced in our lab and their applications in drug/cancer detection are introduced in detail. To further improve the signal-to-noise ratio (SNR) and enhance sensitivity

we introduce three general micro-cavity approaches to achieve tiny-volume sample detection

summarizing our previous results about their characteristics

performance

and potential applications.

关键词

Keywords

references

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