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A novel cylindrical TE2,1 mode converter

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A novel cylindrical TE2,1 mode converter. / Constable, David; Ronald, Kevin; He, Wenlong et al.
In: Review of Scientific Instruments, Vol. 81, No. 9, 094702, 17.09.2010.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Constable, D, Ronald, K, He, W, Fampris, XS, Whyte, CG & Robertson, CW 2010, 'A novel cylindrical TE2,1 mode converter', Review of Scientific Instruments, vol. 81, no. 9, 094702. https://doi.org/10.1063/1.3480994

APA

Constable, D., Ronald, K., He, W., Fampris, X. S., Whyte, C. G., & Robertson, C. W. (2010). A novel cylindrical TE2,1 mode converter. Review of Scientific Instruments, 81(9), Article 094702. https://doi.org/10.1063/1.3480994

Vancouver

Constable D, Ronald K, He W, Fampris XS, Whyte CG, Robertson CW. A novel cylindrical TE2,1 mode converter. Review of Scientific Instruments. 2010 Sept 17;81(9):094702. doi: 10.1063/1.3480994

Author

Constable, David ; Ronald, Kevin ; He, Wenlong et al. / A novel cylindrical TE2,1 mode converter. In: Review of Scientific Instruments. 2010 ; Vol. 81, No. 9.

Bibtex

@article{f05a1ec0960e486dbb327fcd2d4d7804,
title = "A novel cylindrical TE2,1 mode converter",
abstract = "A novel, compact arrangement for Ka-band mode couplers, which convert a rectangular waveguide TE1,0 to cylindrical waveguide TE2,1 mode, has been designed, constructed, and tested. The design features a set of longitudinal slots, positioned in regions of negligible current flow for the TE2,1 mode, allowing its propagation to be preferentially favored, by suppression of the fundamental TE1,1 mode. Numerical simulations and experimental measurements display good agreement, showing transmission of the intended TE2,1 mode at levels of better than −5 dB, from a frequency of ∼37.5 to 41 GHz. Subsequent farfield measurements confirm the presence of the TE2,1 mode, demonstrating good agreement when compared with analytical expectations. Such a device would be an ideal candidate for an application where mode purity, bandwidth, and ease of construction are of primary importance and where the transmission efficiency is of limited concern.",
keywords = "mode converter, cylindrical waveguide, Ka-band",
author = "David Constable and Kevin Ronald and Wenlong He and Fampris, {Xenofon S.} and Whyte, {Colin G.} and Robertson, {Craig W.}",
year = "2010",
month = sep,
day = "17",
doi = "10.1063/1.3480994",
language = "English",
volume = "81",
journal = "Review of Scientific Instruments",
issn = "0034-6748",
publisher = "American Institute of Physics Inc.",
number = "9",

}

RIS

TY - JOUR

T1 - A novel cylindrical TE2,1 mode converter

AU - Constable, David

AU - Ronald, Kevin

AU - He, Wenlong

AU - Fampris, Xenofon S.

AU - Whyte, Colin G.

AU - Robertson, Craig W.

PY - 2010/9/17

Y1 - 2010/9/17

N2 - A novel, compact arrangement for Ka-band mode couplers, which convert a rectangular waveguide TE1,0 to cylindrical waveguide TE2,1 mode, has been designed, constructed, and tested. The design features a set of longitudinal slots, positioned in regions of negligible current flow for the TE2,1 mode, allowing its propagation to be preferentially favored, by suppression of the fundamental TE1,1 mode. Numerical simulations and experimental measurements display good agreement, showing transmission of the intended TE2,1 mode at levels of better than −5 dB, from a frequency of ∼37.5 to 41 GHz. Subsequent farfield measurements confirm the presence of the TE2,1 mode, demonstrating good agreement when compared with analytical expectations. Such a device would be an ideal candidate for an application where mode purity, bandwidth, and ease of construction are of primary importance and where the transmission efficiency is of limited concern.

AB - A novel, compact arrangement for Ka-band mode couplers, which convert a rectangular waveguide TE1,0 to cylindrical waveguide TE2,1 mode, has been designed, constructed, and tested. The design features a set of longitudinal slots, positioned in regions of negligible current flow for the TE2,1 mode, allowing its propagation to be preferentially favored, by suppression of the fundamental TE1,1 mode. Numerical simulations and experimental measurements display good agreement, showing transmission of the intended TE2,1 mode at levels of better than −5 dB, from a frequency of ∼37.5 to 41 GHz. Subsequent farfield measurements confirm the presence of the TE2,1 mode, demonstrating good agreement when compared with analytical expectations. Such a device would be an ideal candidate for an application where mode purity, bandwidth, and ease of construction are of primary importance and where the transmission efficiency is of limited concern.

KW - mode converter

KW - cylindrical waveguide

KW - Ka-band

U2 - 10.1063/1.3480994

DO - 10.1063/1.3480994

M3 - Journal article

VL - 81

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

SN - 0034-6748

IS - 9

M1 - 094702

ER -