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A quasi-optical dual-frequency synthesizer with high power capacity based on the principle of optical interference

An optical interference, high-power technology, applied in the microwave field, can solve the problems of increasing the channel transmission cross-sectional area, reducing the channel power capacity, and easy to form a strong filter, achieving high conversion efficiency, improving power capacity, and suppressing cross-polarization. The effect of the component

Active Publication Date: 2021-08-06
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

It can be seen from the basic working principle of the filter that each independent cavity itself must resonate near a certain frequency point, resulting in the formation of a strong standing wave field in the filter, which greatly reduces the power capacity of the channel and continues to increase the channel The transmission cross-sectional area, the problem of high-order mode competition will inevitably appear, resulting in a sharp decline in the performance of the device in terms of filtering, synthesis, etc.
Therefore, this method must face great design difficulties under the requirements of shorter working wavelength and higher power capacity

Method used

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  • A quasi-optical dual-frequency synthesizer with high power capacity based on the principle of optical interference
  • A quasi-optical dual-frequency synthesizer with high power capacity based on the principle of optical interference
  • A quasi-optical dual-frequency synthesizer with high power capacity based on the principle of optical interference

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Embodiment Construction

[0038] Now take the synthesizing of two different frequency signals at the matching output port and the synthesizing output port of the synthesizer as an example, and illustrate the working mode of the duplex synthesizer in conjunction with the attached drawings:

[0039] figure 2 It is a schematic structural diagram of the quasi-optical dual-frequency synthesizer of this embodiment. It is difficult to achieve high-gain primary radiation only by using a smooth and tapered horn feed. In order to improve the transmission efficiency of the entire duplex combiner, it is necessary to ensure that the input beam has strong quasi-optical characteristics, that is, the beam waist diameter of the input beam is much larger than the operating wavelength. . Therefore, the radiation field of the smooth gradient horn feed needs to pass through two sets of clamshell reflectors to convert the small-diameter Gaussian beam radiated by the horn into a large-diameter Gaussian beam. The detailed b...

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Abstract

The invention discloses a quasi-optical double-frequency synthesizer with high power capacity based on the principle of optical interference, which belongs to the field of microwave technology. The quasi-optical dual-frequency synthesizer includes two sets of wide-aperture Gaussian beam exciters, a first beam splitter, a second beam splitter, a first phase inversion mirror, a second phase inversion mirror, a synthesis output port and a matching output port . The transmission beam of the present invention is based on the principle of optical interference, increases the aperture of the beam transmission channel, and realizes high-power and high-efficiency transmission of the synthesizer under the condition of large-diameter Gaussian beam quasi-optical transmission.

Description

technical field [0001] The invention belongs to the field of microwave technology, and proposes a quasi-optical dual-frequency synthesizer with high power capacity based on the principle of optical interference. Background technique [0002] High Power Microwave (HPM) has many applications in military and civilian fields such as high-energy particle accelerators, high-power radars, super jammers, high-energy microwave weapons, and high-power microwave sources. Higher requirements are placed on power capacity in these application fields. However, due to the limitation of the working mechanism, physical limit and processing technology of a single device, there is an upper limit for its radiation power. Power combining technology has become an important technical means to solve the above problems and meet application requirements. [0003] The current international research on HPM power combining technology mainly focuses on two technical approaches, which can be divided into ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/12
CPCH01P5/12
Inventor 李浩于建秀王克强汪海洋胡标李天明
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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