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Rectangular waveguide TE10 mode-circular waveguide TE01 mode converter

A mode converter and rectangular waveguide technology, applied in waveguide-type devices, electrical components, circuits, etc., can solve the problems of long conversion length, complex structure, low efficiency, etc., and achieve easy processing and assembly, compact structure, and suppression of parasitic modes. the effect of

Active Publication Date: 2018-05-08
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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Problems solved by technology

[0005] For existing rectangular waveguide TE 10 Mode-Circular Waveguide TE 01 The mode converter has the disadvantages of complex structure, long conversion length, and low efficiency. The present invention proposes a high-purity, high-efficiency broadband TE 01 Mode Converter Technical Solution

Method used

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  • Rectangular waveguide TE10 mode-circular waveguide TE01 mode converter
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  • Rectangular waveguide TE10 mode-circular waveguide TE01 mode converter

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Embodiment Construction

[0022] Based on the above theory and design points, a rectangular waveguide TE working in the Ka band is designed. 10 Mode-Circular Waveguide TE 01 The advantages of the present invention will be further described with reference to the mode converter and the accompanying drawings, but the present invention is not limited to this example.

[0023] as attached figure 1 As shown, the present invention is a rectangular waveguide TE 10 Mode-Circular Waveguide TE 01 Mode converters, including rectangular waveguide power divider networks, quadrupole waveguide TE 01 Mode conversion structures, and quadrupole waveguide-circular waveguide transition structures. The four output branches of the rectangular waveguide power division network and the quadrupole waveguide TE 01 The input ports at the four protrusions of the mode conversion structure are vertically connected; the quadrupole waveguide-circular waveguide transition structure realizes the output of the circular waveguide.

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Abstract

The invention discloses a rectangular waveguide TE10 mode-circular waveguide TE01 mode converter, which belongs to the technical field of microwave and millimeter wave transmission devices. The rectangular waveguide TE10 mode-circular waveguide TE01 mode converter comprises a rectangular waveguide power division network, a quadrupole waveguide TE01 mode conversion structure and a quadrupole waveguide-circular waveguide transition structure, wherein the TE10 mode inputted by a standard rectangular waveguide is divided into four equal-amplitude TE10 modes through a rectangular waveguide power divider network, the four TE10 modes are injected to the quadrupole waveguide TE01 mode conversion structure at the same time to excite corresponding TE01 modes, and finally, the TE01 modes in the quadrupole waveguide TE01 mode conversion structure gradually change to circular waveguide TE01 modes through the quadrupole waveguide-circular waveguide transition structure, and conversion from the rectangular waveguide TE10 mode to the circular waveguide TE01 mode is realized. Generation of a parasitic mode can be effectively suppressed, the whole mode converter has the advantages of high efficiency, high purity and wide band, and besides, the waveguide mode converter has a compact and simple structure, processing and assembling are easy, and the engineering practicality is good.

Description

technical field [0001] The invention belongs to the technical field of microwave and millimeter wave transmission devices, in particular to a rectangular waveguide TE 10 Mode-Circular Waveguide TE 01 mode converter. Background technique [0002] The cyclotron traveling wave tube is a microwave and millimeter wave amplifier with high power, wide frequency band, and high gain. It has great application value in plasma heating, millimeter wave radar, electronic countermeasures, etc., and has attracted international attention. Circular waveguide TE 01 The mode has the characteristics of minimal wall loss and field symmetry, and is a commonly used working mode for gyrotron TWTs. During the development and application of the gyrotron TWT, it is necessary to conduct low-power tests on high-frequency components, output structures, transition sections, corresponding mode converters, and waveguide elbows to verify the performance of these components (devices). The excitation signal...

Claims

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Application Information

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IPC IPC(8): H01P1/16
CPCH01P1/16
Inventor 吴泽威廖思睿王建勋蒋伟陈楷文罗勇
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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