CN101853974A - Ultra wide band submillimeter-wave frequency selection surface - Google Patents
Ultra wide band submillimeter-wave frequency selection surface Download PDFInfo
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- CN101853974A CN101853974A CN201010142723A CN201010142723A CN101853974A CN 101853974 A CN101853974 A CN 101853974A CN 201010142723 A CN201010142723 A CN 201010142723A CN 201010142723 A CN201010142723 A CN 201010142723A CN 101853974 A CN101853974 A CN 101853974A
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- frequency selection
- selection surface
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- submillimeter
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Abstract
The invention relates to an ultra wide band submillimeter-wave frequency selection surface. The frequency selection surface of the invention adopts a thin sheet concatenation connection mode, improves the performance of the frequency selection surface, widens the band width, and improves the performance of the frequency selection surface on a transmission frequency band. A unit structure is in a circular shape, wherein the orthohexagonal period is used, the processing requirement is reduced, and the band width is widened. The invention has the following characteristics that: 1. the frequency selection surface has the ultra wide band; 2. the consumption is low; and 3. the frequency selection surface has the stability on different polarization. Thereby, the frequency selection surface designed through the method can be applied to the front end wave beam separation of a quasi-optical system as millimeter-wave and submillimeter-wave satellite remote sensing.
Description
Technical field
The present invention relates to a kind of submillimeter-wave frequency selection surface of ultra broadband.Can be applicable to separate by this frequency-selective surfaces as the front end wave beam of the collimator optical system of millimeter wave submillimeter wave satellite remote sensing.
Background technology
The satellite remote sensing of millimeter wave submillimeter wave is extensive use of in satellite-borne remote sensing system.Along with the development of remote sensing technology, people pay close attention to more to the multiplexing remote sensing system of multiband, and frequency-selective surfaces is the important component part in the multiband multiplex system, thereby to the demands for higher performance of frequency-selective surfaces:
1, ultra broadband.This frequency-selective surfaces can be operated in millimeter wave and submillimeter wave wave band.
Transmission frequency range: 300GHz-500GHz
Reflection frequency range: 50GHz-300GHz
2, low-loss.Frequency-selective surfaces all can cause some thermal lossess and return loss when carrying out frequency separation.This frequency-selective surfaces transmission coefficient and reflection coefficient satisfy system requirements.
3, the stability that polarizes for difference.The incident wave of different frequency range has circular polarization and linear polarization, and frequency-selective surfaces has stable resonance and stable transmission coefficient and reflection coefficient for the electromagnetic wave of difference polarization, simultaneously, TE ripple and TM ripple is had stable phase delay.
Result of the present invention shows that this frequency-selective surfaces possesses transmission coefficient and the reflection coefficient and the lower thermal losses of good stable on the working frequency points that requires, and the front end wave beam that can be used for the collimator optical system of millimeter wave submillimeter wave satellite remote sensing separates.
Summary of the invention:
The millimeter wave submillimeter-wave frequency selection surface of ultra broadband involved in the present invention, can be used to design is the situation lower frequency selection surface of super large bandwidth, circular polarization.The present invention is by the following technical solutions:
Cellular construction is circular, and use therein is the regular hexagon cycle, improves the performance of frequency-selective surfaces, the broadening bandwidth.The pattern of level connection forms multipole resonance, the broadening bandwidth, and its middle level is about 0.1 wavelength with the spacing of layer.
Description of drawings
Fig. 1 is a frequency-selective surfaces cellular construction front view
Fig. 2 is a frequency-selective surfaces front view in kind
Fig. 3 is a frequency-selective surfaces end view in kind
Fig. 4 is the frequency response of frequency-selective surfaces
Specific implementation method
1 selects suitable resonance shape, is target to guarantee that certain bandwidth and processed complex degree hang down.
2 as requested frequency ranges design suitable resonance frequency, because frequency-selective surfaces requires the super large bandwidth to reach more than the 200GHz, select the thin slice cascade form for use, improve the performance of frequency-selective surfaces, the broadening bandwidth.
The 3 resonance characteristics according to fluting type frequency-selective surfaces, the radius of the foursquare fillet of fillet in the adjustment unit structure is finished design.
4 checking frequency-selective surfaces are in the frequency response of being concerned about frequency band.
Claims (3)
1. a ultra broadband submillimeter-wave frequency selection surface is characterized in that, frequency-selective surfaces is the frequency-selective surfaces of fluting type, uses the pattern of three levels connection, and cellular construction is circular, and use therein is the regular hexagon cycle.
2. ultra broadband submillimeter-wave frequency selection surface according to claim 1 is characterized as cellular construction for circular, and use therein is the regular hexagon cycle, improves the performance of frequency-selective surfaces, the broadening bandwidth.
3. ultra broadband submillimeter-wave frequency selection surface according to claim 1 is characterized by the pattern that three levels join, and forms multipole resonance, and its middle level is about 0.1 wavelength with the spacing of layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010142723A CN101853974A (en) | 2010-04-07 | 2010-04-07 | Ultra wide band submillimeter-wave frequency selection surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010142723A CN101853974A (en) | 2010-04-07 | 2010-04-07 | Ultra wide band submillimeter-wave frequency selection surface |
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| CN101853974A true CN101853974A (en) | 2010-10-06 |
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| CN201010142723A Pending CN101853974A (en) | 2010-04-07 | 2010-04-07 | Ultra wide band submillimeter-wave frequency selection surface |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723597A (en) * | 2012-05-30 | 2012-10-10 | 深圳光启创新技术有限公司 | Metamaterial antenna housing and antenna system |
| CN102769197A (en) * | 2012-06-29 | 2012-11-07 | 深圳光启创新技术有限公司 | Wave-transmitting material and radome and antenna system both employing same |
| CN103548205A (en) * | 2011-04-07 | 2014-01-29 | Hrl实验室有限责任公司 | Tunable impedance surfaces |
| US9407239B2 (en) | 2011-07-06 | 2016-08-02 | Hrl Laboratories, Llc | Wide bandwidth automatic tuning circuit |
| CN105846017A (en) * | 2016-04-19 | 2016-08-10 | 成都德杉科技有限公司 | Frequency selective surface structure with wide passband and ultra-wide stopband |
| US9425769B1 (en) | 2014-07-18 | 2016-08-23 | Hrl Laboratories, Llc | Optically powered and controlled non-foster circuit |
| CN106793732A (en) * | 2017-01-03 | 2017-05-31 | 哈尔滨工业大学 | Geometric center type infrared band dual band pass optical window electromagnetic armouring structure |
| US9705201B2 (en) | 2014-02-24 | 2017-07-11 | Hrl Laboratories, Llc | Cavity-backed artificial magnetic conductor |
| US10103445B1 (en) | 2012-06-05 | 2018-10-16 | Hrl Laboratories, Llc | Cavity-backed slot antenna with an active artificial magnetic conductor |
| US10193233B1 (en) | 2014-09-17 | 2019-01-29 | Hrl Laboratories, Llc | Linearly polarized active artificial magnetic conductor |
| CN111487623A (en) * | 2019-01-25 | 2020-08-04 | 中国科学院国家空间科学中心 | Satellite-borne terahertz atmosphere profile detector |
| US11024952B1 (en) | 2019-01-25 | 2021-06-01 | Hrl Laboratories, Llc | Broadband dual polarization active artificial magnetic conductor |
-
2010
- 2010-04-07 CN CN201010142723A patent/CN101853974A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548205B (en) * | 2011-04-07 | 2017-02-22 | Hrl实验室有限责任公司 | Tunable impedance surfaces |
| CN103548205A (en) * | 2011-04-07 | 2014-01-29 | Hrl实验室有限责任公司 | Tunable impedance surfaces |
| US9379448B2 (en) | 2011-04-07 | 2016-06-28 | Hrl Laboratories, Llc | Polarization independent active artificial magnetic conductor |
| US9407239B2 (en) | 2011-07-06 | 2016-08-02 | Hrl Laboratories, Llc | Wide bandwidth automatic tuning circuit |
| CN102723597B (en) * | 2012-05-30 | 2015-02-04 | 深圳光启创新技术有限公司 | Metamaterial antenna housing and antenna system |
| CN102723597A (en) * | 2012-05-30 | 2012-10-10 | 深圳光启创新技术有限公司 | Metamaterial antenna housing and antenna system |
| US10103445B1 (en) | 2012-06-05 | 2018-10-16 | Hrl Laboratories, Llc | Cavity-backed slot antenna with an active artificial magnetic conductor |
| CN102769197B (en) * | 2012-06-29 | 2015-05-27 | 深圳光启创新技术有限公司 | Wave-transmitting material and radome and antenna system both employing same |
| CN102769197A (en) * | 2012-06-29 | 2012-11-07 | 深圳光启创新技术有限公司 | Wave-transmitting material and radome and antenna system both employing same |
| US9705201B2 (en) | 2014-02-24 | 2017-07-11 | Hrl Laboratories, Llc | Cavity-backed artificial magnetic conductor |
| US9425769B1 (en) | 2014-07-18 | 2016-08-23 | Hrl Laboratories, Llc | Optically powered and controlled non-foster circuit |
| US10193233B1 (en) | 2014-09-17 | 2019-01-29 | Hrl Laboratories, Llc | Linearly polarized active artificial magnetic conductor |
| CN105846017A (en) * | 2016-04-19 | 2016-08-10 | 成都德杉科技有限公司 | Frequency selective surface structure with wide passband and ultra-wide stopband |
| CN106793732A (en) * | 2017-01-03 | 2017-05-31 | 哈尔滨工业大学 | Geometric center type infrared band dual band pass optical window electromagnetic armouring structure |
| CN111487623A (en) * | 2019-01-25 | 2020-08-04 | 中国科学院国家空间科学中心 | Satellite-borne terahertz atmosphere profile detector |
| US11024952B1 (en) | 2019-01-25 | 2021-06-01 | Hrl Laboratories, Llc | Broadband dual polarization active artificial magnetic conductor |
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Application publication date: 20101006 |