Mode Transformation in a Circular Waveguide with a Transverse Boundary between a Vacuum and a Partially Dielectric Area

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Mode Transformation in a Circular Waveguide with a Transverse Boundary between a Vacuum and a Partially Dielectric Area. / Grigoreva, Aleksandra A.; Tyukhtin, Andrey V.; Vorobev, Viktor V.; Alekhina, Tatiana Y.; Antipov, Sergey.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 64, No. 11, 11.2016, p. 3441-3448.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{f7f214c203114a17bacff02f271997ee,

title = "Mode Transformation in a Circular Waveguide with a Transverse Boundary between a Vacuum and a Partially Dielectric Area",

abstract = "We consider the mode transformation in a circular waveguide with a transverse boundary between a vacuum part and a part with a cylindrical dielectric layer and a vacuum channel. Two situations are analyzed: an incident mode is launched on the boundary from the dielectric part of the waveguide or from the vacuum one. The incident mode is assumed to be both propagating and evanescent. Analysis is performed using the mode decomposition technique. Approximate solutions are obtained for the cases of the narrow channel and the case of the thin dielectric layer. A numerical algorithm for calculating the mode transformation at an arbitrary channel radius is developed. Typical dependences of the reflection and transmission coefficients on the channel radius are presented and discussed. It is shown, in particular, that the interaction of the evanescent mode with the boundary can result in excitation of the propagating modes in the reflected and transmitted fields.",

keywords = "Electromagnetic fields, mode transformation, waveguide with dielectric filling",

author = "Grigoreva, {Aleksandra A.} and Tyukhtin, {Andrey V.} and Vorobev, {Viktor V.} and Alekhina, {Tatiana Y.} and Sergey Antipov",

year = "2016",

month = nov,

doi = "10.1109/TMTT.2016.2602267",

language = "English",

volume = "64",

pages = "3441--3448",

journal = "IEEE Transactions on Microwave Theory and Techniques",

issn = "0018-9480",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

number = "11",

}

RIS

TY - JOUR

T1 - Mode Transformation in a Circular Waveguide with a Transverse Boundary between a Vacuum and a Partially Dielectric Area

AU - Grigoreva, Aleksandra A.

AU - Tyukhtin, Andrey V.

AU - Vorobev, Viktor V.

AU - Alekhina, Tatiana Y.

AU - Antipov, Sergey

PY - 2016/11

Y1 - 2016/11

N2 - We consider the mode transformation in a circular waveguide with a transverse boundary between a vacuum part and a part with a cylindrical dielectric layer and a vacuum channel. Two situations are analyzed: an incident mode is launched on the boundary from the dielectric part of the waveguide or from the vacuum one. The incident mode is assumed to be both propagating and evanescent. Analysis is performed using the mode decomposition technique. Approximate solutions are obtained for the cases of the narrow channel and the case of the thin dielectric layer. A numerical algorithm for calculating the mode transformation at an arbitrary channel radius is developed. Typical dependences of the reflection and transmission coefficients on the channel radius are presented and discussed. It is shown, in particular, that the interaction of the evanescent mode with the boundary can result in excitation of the propagating modes in the reflected and transmitted fields.

AB - We consider the mode transformation in a circular waveguide with a transverse boundary between a vacuum part and a part with a cylindrical dielectric layer and a vacuum channel. Two situations are analyzed: an incident mode is launched on the boundary from the dielectric part of the waveguide or from the vacuum one. The incident mode is assumed to be both propagating and evanescent. Analysis is performed using the mode decomposition technique. Approximate solutions are obtained for the cases of the narrow channel and the case of the thin dielectric layer. A numerical algorithm for calculating the mode transformation at an arbitrary channel radius is developed. Typical dependences of the reflection and transmission coefficients on the channel radius are presented and discussed. It is shown, in particular, that the interaction of the evanescent mode with the boundary can result in excitation of the propagating modes in the reflected and transmitted fields.

KW - Electromagnetic fields

KW - mode transformation

KW - waveguide with dielectric filling

UR - http://www.scopus.com/inward/record.url?scp=85027408278&partnerID=8YFLogxK

U2 - 10.1109/TMTT.2016.2602267

DO - 10.1109/TMTT.2016.2602267

M3 - Article

VL - 64

SP - 3441

EP - 3448

JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

SN - 0018-9480

IS - 11

ER -

ID: 7610522