EP1183752B1 - Polarisationsweiche - Google Patents
Polarisationsweiche Download PDFInfo
- 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
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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)
Description
Claims (5)
- Polarisationsweiche, bestehend aus einem zentralen Hohlleiter (1), in dem zwei orthogonal linear polarisierte Wellen ausbreitungsfähig sind, wobei ein Ende des zentralen Hohlleiters (1) mit einer Kurzschlusswand (2) abgeschlossen ist und in der Nähe der Kurzschlusswand (2) zwei Hohlleiter (3, 4) an zwei einander gegenüberliegenden Wänden des zentralen Hohlleiters (1) in einer zumindest annähernd gleichen, zur Hohlleiterlängsachse senkrecht verlaufenden Querschnittsebene stirnseitig an gegenüberliegenden Seiten des zentralen Hohlleiters (1) angekoppelt sind, wobei die Hohlleiter (3, 4) so dimensioniert sind, dass in ihnen nur der Grundwellentyp ausbreitungsfähig ist, und dass die beiden Hohlleiter (3, 4) um ihre Längsachsen so gegeneinander verdreht sind, dass die elektromagnetischen Felder der beiden Hohlleiter (3, 4) orthogonal zueinander orientiert sind, wobei sich im zentralen Hohlleiter (1) von der Kurzschlusswand (2) aus ein Trennblech (7) in den Koppelbereich der beiden Hohlleiter (3, 4) hinein erstreckt, wobei das Trennblech (7) senkrecht zu den Längsachsen der angekoppelten Hohlleiter (3, 4) orientiert ist.
- Polarisationsweiche nach Anspruch 1, dadurch gekennzeichnet, daß die beiden Hohlleiter (3, 4) über Blenden (5, 6) an den zentralen Hohlleiter (1) angekoppelt sind.
- Polarisationsweiche nach Anspruch 1, dadurch gekennzeichnet, daß im zentralen Hohlleiter (1) im Koppelbereich der beiden Hohlleiter (3, 4) mindestens ein Stab (10) angeordnet ist.
- Polarisationsweiche nach Anspruch 1, dadurch gekennzeichnet, daß im zentralen Hohlleiter (1) mindestens im Koppelbereich eines der beiden Hohlleiter (3, 4) im Winkel zwischen dem Trennblech (7) und der Kurzschlußwand (2) ein Steg (8) angeordnet ist.
- Polarisationsweiche nach Anspruch 1, dadurch gekennzeichnet, daß die beiden Hohlleiter (3, 4) einen rechteckförmigen Querschnitt aufweisen und der Hohlleiter (3), dessen Breitseiten senkrecht zur Längsachse des zentralen Hohlleiters (1) orientiert sind, über einen E-Ebenen-Krümmer (9) angekoppelt ist, wobei der E-Ebenen-Krümmer (9) durch eine im zentralen Hohlleiter (1) vorhandene Kontur gebildet wird, die gleichzeitig eine von der Kurzschlußwand (2) ausgehende, sich in den Ankoppelbereich der beiden Hohlleiter (3, 4) hineinerstreckende Trennwand bildet, die senkrecht zu den Längsachsen der Hohlleiter (3, 4) orientiert ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19922709A DE19922709A1 (de) | 1999-05-18 | 1999-05-18 | Polarisationsweiche |
DE19922709 | 1999-05-18 | ||
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 (de) |
EP (1) | EP1183752B1 (de) |
AU (1) | AU4309400A (de) |
DE (2) | DE19922709A1 (de) |
NO (1) | NO20015644L (de) |
WO (1) | WO2000070705A1 (de) |
Families Citing this family (8)
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 |
CN102195141B (zh) * | 2010-03-12 | 2014-01-29 | 安德鲁有限责任公司 | 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 |
WO2021083498A1 (en) * | 2019-10-29 | 2021-05-06 | European Space Agency | Waveguide component for use in an orthomode junction or an orthomode transducer |
Family Cites Families (13)
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 |
DE2651935C3 (de) * | 1976-11-13 | 1987-07-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | 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 |
-
1999
- 1999-05-18 DE DE19922709A patent/DE19922709A1/de not_active Withdrawn
-
2000
- 2000-05-12 US US09/979,411 patent/US6768395B1/en not_active Expired - Lifetime
- 2000-05-12 WO PCT/IB2000/000633 patent/WO2000070705A1/de active IP Right Grant
- 2000-05-12 DE DE50005144T patent/DE50005144D1/de not_active Expired - Lifetime
- 2000-05-12 AU AU43094/00A patent/AU4309400A/en not_active Abandoned
- 2000-05-12 EP EP00922816A patent/EP1183752B1/de not_active Expired - Lifetime
-
2001
- 2001-11-19 NO NO20015644A patent/NO20015644L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE19922709A1 (de) | 2000-12-21 |
NO20015644L (no) | 2002-01-11 |
EP1183752A1 (de) | 2002-03-06 |
NO20015644D0 (no) | 2001-11-19 |
DE50005144D1 (de) | 2004-03-04 |
WO2000070705A1 (de) | 2000-11-23 |
US6768395B1 (en) | 2004-07-27 |
AU4309400A (en) | 2000-12-05 |
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