Design and simulation of terahertz mesh bandpass filter

Yuan Yehui; Pan Ming

doi:10.3788/HPLPB20132505.1332

Volume 25 Issue 05

Mar. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(05): 1332-1336

Yu Bo, Su Ming, Liu ShenYe, et al. Simulation on spatial resolution of scintillator arrays based on neutron penumbral imaging system[J]. High Power Laser and Particle Beams, 2012, 24: 1826-1830. doi: 10.3788/HPLPB20122408.1826

Citation:

Yuan Yehui, Pan Ming. Design and simulation of terahertz mesh bandpass filter[J]. High Power Laser and Particle Beams, 2013, 25: 1332-1336. doi: 10.3788/HPLPB20132505.1332

Citation:

Yuan Yehui, Pan Ming. Design and simulation of terahertz mesh bandpass filter[J]. High Power Laser and Particle Beams, 2013, 25: 1332-1336. doi: 10.3788/HPLPB20132505.1332

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Design and simulation of terahertz mesh bandpass filter

doi: 10.3788/HPLPB20132505.1332

Yuan Yehui¹,
Pan Ming^{2
,
,}

1.
College of Electronic Information,Hangzhou Dianzi University,Hangzhou 310018,China;
2.
Department of Collectivity,No.50 Research Institute of China Electronics Technology Group Corporation,Shanghai 200063,China

Received Date: 2012-11-05
Rev Recd Date: 2012-11-23
Publish Date: 2013-03-12

Abstract

Abstract

A fourstage cascade terahertz mesh bandpass filter has been designed according to the atmospheric absorption windows of terahertz waves. The center frequency of the filter is 0.25 THz, the bandwidth is 0.1 THz at 3 dB, the transmittance is greater than 80%, the ripple factor is less than 0.5 dB in the passband, and both of the center frequency and the bandwidth can be adjusted by scaling the size of mesh slot. The HFSS simulation conducted under periodic boundary conditions and absorbing boundary condition of perfectly matched layers shows the transmittance and insertion loss of this filter with different mesh arrangements anddielectric substrates, under incident waves of different incidence angles and different polarizations.
- atmospheric absorption windows,
- transmittance,
- boundary conditions,
- cascading,
- incidence angles,
- dielectric substrates,
- polarization

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