EP1183752B1 - Polarisationsweiche - Google Patents

Polarisationsweiche Download PDF

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Publication number
EP1183752B1
EP1183752B1 EP00922816A EP00922816A EP1183752B1 EP 1183752 B1 EP1183752 B1 EP 1183752B1 EP 00922816 A EP00922816 A EP 00922816A EP 00922816 A EP00922816 A EP 00922816A EP 1183752 B1 EP1183752 B1 EP 1183752B1
Authority
EP
European Patent Office
Prior art keywords
cored
hollow
conductors
conductor
central
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00922816A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1183752A1 (de
Inventor
Werner Speldrich
Uwe Rosenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telent GmbH
Original Assignee
Marconi Communications GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marconi Communications GmbH filed Critical Marconi Communications GmbH
Publication of EP1183752A1 publication Critical patent/EP1183752A1/de
Application granted granted Critical
Publication of EP1183752B1 publication Critical patent/EP1183752B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer

Definitions

  • the present invention relates to a polarizing switch, consisting of a central waveguide in which two are linear orthogonally polarized waves are capable of propagation, whereby one end of the central waveguide with a short circuit wall is completed and near the short circuit wall two Waveguide on two opposite walls of the central waveguide in an at least approximately the same, perpendicular to the longitudinal axis of the waveguide Cross-sectional plane are coupled.
  • a polarizing switch consisting of a central waveguide in which two are linear orthogonally polarized waves are capable of propagation, whereby one end of the central waveguide with a short circuit wall is completed and near the short circuit wall two Waveguide on two opposite walls of the central waveguide in an at least approximately the same, perpendicular to the longitudinal axis of the waveguide Cross-sectional plane are coupled.
  • Such one Polarization switch is known from DE 31 11 106 C2.
  • a central waveguide with a round or square cross section on two each other opposite walls in the same cross-sectional plane a rectangular waveguide
  • the invention is therefore based on the object Specify polarization switch of the type mentioned at the outset, which can be produced with the least possible effort and moreover has very good electrical properties.
  • Claim 1 solved in that the two waveguides Are waveguides that face the opposite ends Sides of the central waveguide are coupled, the Waveguides are dimensioned so that only the Fundamental wave type is spreadable, and that the two Waveguide twisted against each other about their longitudinal axes are that the electromagnetic fields of the two Waveguides are oriented orthogonally to each other.
  • this polarization switch Because all waveguides of this polarization switch in one plane lie, it can be in a planar waveguide circuit to get integrated.
  • the central waveguide and the one on it Coupled waveguides are used as half shells made in the bottom and lid of a case are let in. Because of its compact design, it is too possible, the polarization switch completely from one piece to manufacture by a basic body from the connection sides the waveguide gates of the central and the side coupled waveguide is processed.
  • the two waveguides can be attached to the central waveguide to be coupled as possible to achieve broadband coupling.
  • In the central waveguide can be at least one in the coupling area of the two waveguides Rod be arranged.
  • the partition plate perpendicular to the longitudinal axes of the coupled waveguide is oriented. It can in central waveguide at least in the coupling area of a lateral waveguide at the angle between the partition and the short-circuit wall can be arranged a web.
  • the side waveguides have a rectangular cross section and the waveguide, the broad side of which is perpendicular to the longitudinal axis of the central one Waveguide are oriented over an E-level manifold coupled to the central waveguide, with the E-level manifold due to a contour present in the central waveguide is formed, which is one of the short-circuit wall outgoing, into the coupling level of the two lateral Waveguide extending partition that forms perpendicular to the longitudinal axes of the laterally arranged Waveguide is oriented.
  • FIG. 1 shows a perspective view of a Polarization switch, which has a central waveguide 1 has at one end with a short circuit wall 2nd is completed.
  • the central depicted Rectangular waveguide 1 has a square cross section, so that in it two linearly orthogonally polarized waves H01 and H10 are spreadable.
  • the in the Cross sections of the two rectangular waveguides 3 and 4 Arrows indicated indicate the ones assigned to them Polarizations.
  • Both rectangular waveguides 3 and 4 are in an at least approximately the same, to the longitudinal axis of the central waveguide 1 extending cross-sectional plane coupled.
  • the distance of this cross-sectional plane from the Short circuit wall 2 is approximately in this embodiment 1/8 of the waveguide wavelength at the middle Operating frequency and, as explained later, for both Waveguide gates may also be different.
  • the two Rectangular waveguides 3 and 4 are in terms of their cross sections Twisted 90 ° against each other.
  • the Rectangular waveguide 3 and 4 In order to connect the Rectangular waveguide 3 and 4 to the central waveguide 1 achieve, are the rectangular waveguide 3 and 4 over panels 5 and 6 coupled to the central waveguide 1.
  • a partition plate 7 in the central waveguide 1 is a partition plate 7, the starts from the short-circuit wall 2 and in the Coupling area between the two rectangular waveguides 3 and 4 extends.
  • the electrical short circuit level for the Rectangular waveguide 3, the broad sides of which are parallel to Longitudinal axis of the central waveguide 1 are in essentially determined by the length of the divider.
  • the partition 7 ensures also for good decoupling between the two Polarizations.
  • the partition plate 7 with a Direction of the longitudinal axis of the central waveguide 1 be stepped contour, making better Adaptation properties can be achieved.
  • the central waveguide 1 of the polarization switch can also a circular waveguide, such as one shown in Figure 2a Top view and a front view shown in Figure 2b to the short-circuit level 2 shows.
  • Figures 2a and 2b are parts that the in the previously described Figure 1 occurring parts the same, with the same reference numerals been provided. Also in the ones described below Figures are the same parts with the same reference numerals Mistake.
  • Figures 3a and 3b correspond to Figures 2a and 2b the difference that with the in Figures 3a, b Polarization switch shown between the partition plate 7 and the coupled rectangular waveguide 3 at an angle between the short-circuit wall 2 and the partition 7 stepped web 8 is arranged.
  • stepped web 8 is a transformation between the wave type of the central waveguide and the latter by the Waveguide 3 coupled basic wave type reached, wherein at the same time the electromagnetic field in the central Waveguide 1 in the direction of the lateral waveguide 3 is curved. This makes the realization good electrical properties in a wide frequency band significantly improved.
  • the web 8 can also on the Divider 7 in the direction of the longitudinal axis of the central Waveguide 1 protrude because it has the properties of orthogonal polarization on the other side Waveguide 4 is coupled, influenced only marginally. It is also possible that part of the web 8 in the aperture 5 of the waveguide 3 protrudes.
  • FIGS. 4a (top view) and FIG. 4b (Front view) shown in the polarization switch central circular waveguide 1 an E-level manifold 9 for the Rectangular waveguide 3, the broad sides of which are perpendicular to Longitudinal axis of the central circular waveguide 1, integrated.
  • the E-level manifold 9 is a by central circular waveguide 1 existing contour formed that at the same time an outgoing from the short-circuit wall 2 into the coupling plane of the two rectangular waveguides 3 and 4 extending partition forms perpendicular to the Longitudinal axes of the rectangular waveguide 3 and 4 is oriented.
  • This E-level manifold 9 like the stepped web 8 in Figure 3, a curvature of the electromagnetic field of the Wave type of the central waveguide 1, which in the lateral waveguide 3 is coupled, and thus a Improvement of the electrical properties of the coupling.
  • the E-level manifold 9 can also be in the form of several stages be executed.
  • Figures 5a and 5b show that in the central Waveguide 1 a pin 10 in the coupling area between the two rectangular waveguides 3 and 4 is arranged.
  • This Pin 10 is used for better adjustment of the coupled Rectangular waveguide 3 and 4.
  • Rectangular waveguides are therefore also waveguides with rectangular cross-sections (e.g. rectangular with rounded edges, elliptical and the like) meant in which similar wave types are capable of spreading are like in purely rectangular waveguides. deviant of those shown in Figures 2 to 5
  • the central waveguide 1 can also be exemplary embodiments have a square cross section or one compared to round or square deviating cross-section, in which definitely polarized two orthogonally linear Waves are capable of spreading.
  • the polarization switch described can also be used as so-called frequency polarization switches are operated, where the orthogonal polarizations for different Frequency ranges are designed.

Landscapes

  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP00922816A 1999-05-18 2000-05-12 Polarisationsweiche Expired - Lifetime EP1183752B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19922709 1999-05-18
DE19922709A DE19922709A1 (de) 1999-05-18 1999-05-18 Polarisationsweiche
PCT/IB2000/000633 WO2000070705A1 (de) 1999-05-18 2000-05-12 Polarisationsweiche

Publications (2)

Publication Number Publication Date
EP1183752A1 EP1183752A1 (de) 2002-03-06
EP1183752B1 true EP1183752B1 (de) 2004-01-28

Family

ID=7908356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00922816A Expired - Lifetime EP1183752B1 (de) 1999-05-18 2000-05-12 Polarisationsweiche

Country Status (6)

Country Link
US (1) US6768395B1 (no)
EP (1) EP1183752B1 (no)
AU (1) AU4309400A (no)
DE (2) DE19922709A1 (no)
NO (1) NO20015644L (no)
WO (1) WO2000070705A1 (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2496235C (en) * 2005-02-04 2011-11-15 James Plant Polarization filter utilizing brewster's angle
GB2434922A (en) * 2006-02-03 2007-08-08 Ericsson Telefon Ab L M Ortho-mode transducer connecting two rectangular waveguides to a common circular waveguide
US8081046B2 (en) * 2006-03-10 2011-12-20 Optim Microwave, Inc. Ortho-mode transducer with opposing branch waveguides
CN103647154B (zh) * 2010-03-12 2016-05-25 康普技术有限责任公司 双极化的反射器天线组件
GB201202717D0 (en) 2012-02-17 2012-04-04 Pro Brand International Europ Ltd Apparatus for use in the receipt and/or transmission of data signals
JP6316076B2 (ja) * 2014-04-18 2018-04-25 三菱電機株式会社 偏分波器
DE102016224097A1 (de) * 2016-12-05 2018-06-07 Airbus Defence and Space GmbH Orthomodenkoppler zur Reduzierung einer Verkopplung von Grundmoden
US20230246318A1 (en) * 2019-10-29 2023-08-03 European Space Agency Waveguide component for use in an orthomode junction or an orthomode transducer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766430A (en) * 1953-04-02 1956-10-09 Gen Precision Lab Inc Microwave power divider
GB1507147A (en) * 1974-09-25 1978-04-12 Marconi Co Ltd Multiplexing arrangements
US3932822A (en) * 1975-01-30 1976-01-13 Edward Salzberg Broad band orthogonal mode junction
DE2651935B2 (de) * 1976-11-13 1980-09-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Breitbandige Polarisations-Weiche
DE3111106A1 (de) * 1981-03-20 1982-09-30 Siemens AG, 1000 Berlin und 8000 München Polarisationsweiche
JPS6152002A (ja) * 1984-08-20 1986-03-14 Mitsubishi Electric Corp マイクロ波給電回路
US4849720A (en) * 1985-10-02 1989-07-18 Neico Microwave Company Orthogonal mode tee
JPH0567902A (ja) * 1991-09-06 1993-03-19 Nec Corp 送受信共用装置
JPH0685502A (ja) * 1992-08-31 1994-03-25 Nec Corp 直交偏分波器
JPH06140810A (ja) * 1992-10-22 1994-05-20 Nec Corp 直交偏分波器
GB9504986D0 (en) * 1995-03-11 1995-04-26 Cambridge Ind Ltd Improved dual polarisation waveguide probe system
DE29511273U1 (de) * 1995-07-12 1995-09-21 Alcatel Kabel AG & Co., 30179 Hannover Polarisationsweiche zur Ausleuchtung einer Antenne
US6225875B1 (en) * 1998-10-06 2001-05-01 Hughes Electronics Corporation Dual sidewall coupled orthomode transducer having septum offset from the transducer axis

Also Published As

Publication number Publication date
DE50005144D1 (de) 2004-03-04
US6768395B1 (en) 2004-07-27
WO2000070705A1 (de) 2000-11-23
NO20015644D0 (no) 2001-11-19
AU4309400A (en) 2000-12-05
NO20015644L (no) 2002-01-11
EP1183752A1 (de) 2002-03-06
DE19922709A1 (de) 2000-12-21

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