2.5D Micromachined 240 GHz Cavity-Backed Coplanar Waveguide to Rectangular Waveguide Transition

Vahidpour, Mehrnoosh; Sarabandi, Kamal

doi:10.1109/tthz.2012.2191150

Cited by 25 publications

(5 citation statements)

References 25 publications

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“…1. Micromachined waveguide surface roughness: (a) E-plane split, waveguide halves DRIE along the waveguide width and subsequently joined together [6], [7]; (b) single H-plane split DRIE along the waveguide height [8], [6], [9]; and (c) double H-plane split DRIE along the waveguide height, as proposed in this paper.…”

Section: Drie Drie Driementioning

confidence: 99%

A Very Low Loss 220–325 GHz Silicon Micromachined Waveguide Technology

Beuerle

Campion

Shah

et al. 2018

IEEE Trans. THz Sci. Technol.

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Section: Drie Drie Driementioning

confidence: 99%

A Very Low Loss 220–325 GHz Silicon Micromachined Waveguide Technology

Beuerle

Campion

Shah

et al. 2018

IEEE Trans. THz Sci. Technol.

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“…Transitions from planar transmission lines to rectangular waveguides enable integration of active components in such systems [11]. Conductor-backed (CB) CPW to rectangular waveguide transitions at 220-330 GHz have been presented in [12], [13], while [14] introduces a CB-CPW transition to rectangular waveguides for MMIC packaging at 340-380 GHz. The authors have previously reported on a codesigned transition from a microstrip line on a InP MMIC to silicon micromachined waveguides at 220-330 GHz [15].…”

Section: Introductionmentioning

confidence: 99%

A CPW Probe to Rectangular Waveguide Transition for On-Wafer Micromachined Waveguide Characterization

Beuerle,

Campion,

Glubokov

et al. 2024

IEEE Trans. THz Sci. Technol.

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“…These structures are relatively easy to manufacture and can be used for very high frequency. Vahidpour and Sarabandi (2012) presented cavity-backed coplanar waveguide to rectangular waveguide transition demonstrating viability and fabrication process of their prototype at 240 GHz. Tang et al (2016) shown dielectric based waveguide for high speed communication with Teflon cladding operating up to 100 GHz.…”

Section: Introductionmentioning

confidence: 99%

Highly accurate and numerically stable computations of double-layer coaxial waveguides

Kubiczek

Kampik

2019

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Purpose The purpose of this study is to develop and investigate a fast and accurate algorithm for the modeling of characteristic impedance of double-layer coaxial waveguides. Design/methodology/approach This paper presents the newly developed numerically stable analytical formula for calculation of the characteristic impedance of double-layer coaxial conductor and its elements such as resistance, inductance, capacitance and conductance per unit length. The formula contains modified scaled Bessel functions. The results of the developed analytical formula were compared with results obtained from the axis-symmetric 2D and 3D finite element method (FEM) simulations, using three different solvers. Findings The proposed method shows a good agreement between results obtained with the new fast and stable analytical model and particular FEM models, selected depending on frequency range. The relative difference between characteristic impedance calculated using the new analytical method and obtained from chosen FEM method for discussed frequency range is less than 0.1 per cent which proves the correctness of the new analytical formula. Noteworthy is the fact that the relative difference of the resistance computed using the developed analytical method and obtained with Maxwell FEM solver for the frequency in range from 1 Hz to 10 MHz is less than 0.01 per cent. The presented work shows that when the calculations are performed over wide frequency range, it is necessary to use more than one solver, especially when the wavelength is comparable with dimensions of the conductor. The computation time of the new analytical model is much shorter than the computation time of FEM. Originality/value An efficient, numerically stable algorithm for computation of characteristic impedance of a double-layer coaxial conductor (waveguide).

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2.5D Micromachined 240 GHz Cavity-Backed Coplanar Waveguide to Rectangular Waveguide Transition

Cited by 25 publications

References 25 publications

A Very Low Loss 220–325 GHz Silicon Micromachined Waveguide Technology

A Very Low Loss 220–325 GHz Silicon Micromachined Waveguide Technology

A CPW Probe to Rectangular Waveguide Transition for On-Wafer Micromachined Waveguide Characterization

Highly accurate and numerically stable computations of double-layer coaxial waveguides

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