SCIENCE CHINA Information Sciences, Volume 61 , Issue 6 : 069401(2018) https://doi.org/10.1007/s11432-017-9111-5

A kind of compact ultra-broad bandpass planar terahertz filter

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  • ReceivedApr 21, 2017
  • AcceptedMay 4, 2017
  • PublishedSep 18, 2017


There is no abstract available for this article.


This work was supported by National Basic Research Program of China (973) (Grant No. 2014CB339801) and National Natural Science Foundation of China (Grant Nos. 61231005, 11305030).


Figures S1–S3.


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  • Figure 1

    (Color online) (a) Structure of the ultra-band filter with transition section, the structure portrayed with dotted line are the input and output metal strip on the lower metal film; (b) detailed structure for the energy couple; (c) detailed structure for transition section; (d) the unit of transmission part; (e) E-field distribution along the transmission direction at 0.4 THz; (f) current distribution on the filter; (g) the simulated S parameters of the annual structure filter.