CN106767160B - A kind of radio frequency/optics beam synthesizer - Google Patents
A kind of radio frequency/optics beam synthesizer Download PDFInfo
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- CN106767160B CN106767160B CN201611068607.9A CN201611068607A CN106767160B CN 106767160 B CN106767160 B CN 106767160B CN 201611068607 A CN201611068607 A CN 201611068607A CN 106767160 B CN106767160 B CN 106767160B
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- radio frequency
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- beam synthesizer
- optics beam
- optical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/32—Devices for testing or checking
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention relates to a kind of radio frequency/optics beam synthesizers, include the square unit structure being made of substrate and coating, and substrate uses optical material, substrate front side to be coated with coating, and coating uses high-reflectivity metal, has the hollow out figure being repeated cyclically on coating.Above-mentioned beam synthesizer is coated with FSS planes in optical material surface, ensures surface quality, ensures the high reflectance of optical signalling, while radiofrequency signal can be made by FSS surface transmissions, avoids the change of polarization state.
Description
Technical field
The present invention relates to radio frequency/optics combined guidance simulation technical field more particularly to a kind of radio frequency/optics
Beam synthesizer.
Background technology
The urgent of precision guided weapon needs but so that and optics/radio frequency combined guidance weapon becomes the research hotspot of various countries, until
No matter this is directed to optics/penetrate in combined guidance target seeker research field or combined guidance HWIL simulation research field
The Shared aperture of frequency emits/receives this core key technology.The realization of this key technology relies on radio frequency/optics beam synthesizer
Part.
Current radio frequency/optics beam synthesizer mainly has：It is coated with the media plate of optical reflectance coating, in foam base plate
Frequence-selective surface (FSS) etc..Traditional optical flat speculum be by glass lens plated film realize to the light of optical light beam
Road changes, and the processing technology of traditional frequency-selective surfaces is to be based on micro Process light on a printed circuit based on circuit engineering
What lithography was realized.
Wherein, the shortcomings that being coated with the media plate of optical reflectance coating be：Since media plate will allow the optical ray of reflection
It is consistent with millimeter wave sight line, tablet and millimeter wave sight line oblique, the polarization state of such millimeter wave must will just change
Become, needs to correct polarization state by building a calibration system；Come due to the size restriction band of Dichroic beam combiner
Millimeter Wave Scattering also can not be ignored.The shortcomings that frequence-selective surface (FSS) in foam base plate is：The surface of making can not show a candle to use
The medium film surface that traditional optical film plating process makes is smooth, and the influence caused by rough surface to optical region optical characteristics is
The maximum shortcoming place of this technology.
In short, being short of a kind of beam synthesizer of optics/radio frequency Shared aperture transmission in the prior art, it both can guarantee that optics was believed
Number high reflectance, and can guarantee the high-transmission rate of radiofrequency signal.
Invention content
In view of above-mentioned analysis, the present invention is intended to provide a kind of radio frequency/optics beam synthesizer, is coated on optical substrate
The surfaces FSS, it is ensured that the high reflectance of optical signalling, the high-transmission rate of radiofrequency signal, application schematic diagram are as shown in Figure 3.
The purpose of the present invention is mainly achieved through the following technical solutions：
Provide a kind of radio frequency/optics beam synthesizer in based on one embodiment of the present of invention, including by substrate and
The square unit structure of coating composition, substrate use optical material, substrate front side to be coated with coating, and coating is using high reflectance gold
Belong to, has the hollow out figure being repeated cyclically on coating.
In based on an alternative embodiment of the invention, optical material is quartz glass or microcrystal glass material.
In based on an alternative embodiment of the invention, high-reflectivity metal is copper or gold.
In based on an alternative embodiment of the invention, the hollow out figure being repeated cyclically is cross gap ring.
In based on an alternative embodiment of the invention, the hollow out figure being repeated cyclically is Y words gap ring.
In based on an alternative embodiment of the invention, substrate surface flatness reaches optical grade.
In based on an alternative embodiment of the invention, coating surface flatness reaches optical grade.
In based on an alternative embodiment of the invention, several square unit structures are formed into different sizes by splicing
Radio frequency/optics beam synthesizer.
In based on an alternative embodiment of the invention, optical signalling reaches radio frequency/optics beam synthesizer with 45 degree of angles
Front is reflected into the visual field of target seeker by coating；Radiofrequency signal passes through saturating from radio frequency/optics beam synthesizer back side simultaneously
It penetrates, into the visual field of target seeker, optical signalling is mixed to form radio frequency/optical signalling with radiofrequency signal.
The present invention has the beneficial effect that：
FSS planes are coated in optical material surface, ensure surface quality, it is ensured that the high reflectance of optical signalling, while can
So that radiofrequency signal avoids the change of polarization state by FSS surface transmissions.
Other features and advantages of the present invention will illustrate in the following description, also, partial become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
Description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in entire attached drawing
In, identical reference mark indicates identical component.
Fig. 1 is a kind of coating surface schematic diagram of radio frequency/optics beam synthesizer；
Fig. 2 is cross gap ring element structural schematic diagram；
Fig. 3 is a kind of application schematic diagram of radio frequency/optics beam synthesizer：
Fig. 4 is a kind of fundamental diagram of radio frequency/optics beam synthesizer.
Specific implementation mode
Specifically describing the preferred embodiment of the present invention below in conjunction with the accompanying drawings, wherein attached drawing constitutes the application part, and
It is used to illustrate the principle of the present invention together with embodiments of the present invention.
A specific embodiment according to the present invention discloses a kind of radio frequency/optics beam synthesizer：
Including the square unit structure being made of substrate and coating.It is quartzy glass that substrate, which uses optical material, optical material,
The materials such as glass, devitrified glass, it is the metals such as copper, gold that coating, which uses high-reflectivity metal, high-reflectivity metal, has the period on coating
Property repeat hollow out figure.
Coating is single side metal-coated membrane, and the hollow out figure being repeated cyclically can be cross gap ring, Y words gap or Y words
Gap ring and various shapes compound pattern etc..
In a preferred embodiment, baseplate material is vitreous silica, and thickness is 5 ± 0.1mm (preferably 5mm), and length is
30mm, width 25mm are made of the pattern of a 10*8 rectangular gap ring structure periodic arrangement, as shown in Figure 1.It is being coated with
Before, optical substrate need to carry out surface grinding, its surface is made to reach the surface smoothness of optical grade plane, RMS≤1/30 λ, P-V values
≤ 1/8 λ, satisfaction are coated with plating conditions.Coating is gold, and thickness 2um, the dielectric constant er=3.9 of medium, loss tangent angle is
0.0004.Coating surface is optical grade, and surface surface figure accuracy RMS≤λ/8 make it have high reflectivity to optical signalling
(typically greater than 80%).
Various sizes of radio frequency/optics beam synthesizer can be obtained by splicing square unit structure, size is reachable
300mm*300mm or more.
Further, pierced pattern is that cross gap ring obtains rectangular list using direct engraving method as shown in Figure 1 and Figure 2
Meta structure devises band logical FSS of the resonant frequency near 35GHz.
The specific size parameter of structure is as shown in Fig. 2, as shown, hollow out figure is cross gap ring, gap width g
=0.1mm, the outer width l=1.88mm of Roundabout, Roundabout it is interior along width w=0.2mm, square unit structure
Length of side D=2.8mm.Lithographic accuracy pattern error is less than 2um.
Optics and radiofrequency signal are compound in incident direction, are subsequently projected on the entrance pupil of tested target seeker, worked
Journey is reflected into the visual field of target seeker as shown in figure 3, when optical signalling reaches synthesizer front with 45 degree of angles；Radio frequency simultaneously
After the signal slave synthesizer back side is by transmission, also enter the visual field of target seeker.
As shown in figure 4, in actual work, large area beam synthesizer, radio-frequency signal source, optical signal source are placed in be measured lead
The light of the homonymy of leader, optical signal source transmitting is placed by tilting the speculum reflection arrival at 45 degree of angles with mirror parallel
Large area beam synthesizer front surface, after reflection be added target seeker visual field, meanwhile, radiofrequency signal source antenna is penetrated
Frequency signal, after being transmitted from the large area beam synthesizer back side, into target seeker visual field, radiofrequency signal is mixed to form with optical signalling
Radio frequency/optical signalling.
In conclusion an embodiment of the present invention provides a kind of radio frequency/optics beam synthesizer, advantage is：In light
It learns material surface and is coated with FSS planes, ensure surface quality, it is ensured that the high reflectance of optical signalling, while radiofrequency signal can be made
By FSS surface transmissions, the change of polarization state is avoided.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of radio frequency/optics beam synthesizer, which is characterized in that include the square unit structure being made of substrate and coating,
Substrate uses optical material, substrate front side to be coated with coating, and coating uses high-reflectivity metal, has what is be repeated cyclically to engrave on coating
Empty graphic；
Baseplate material is vitreous silica, and thickness is 5 ± 0.1mm；
The high-reflectivity metal is copper or gold；
Hollow out figure is cross gap ring, gap width g=0.1mm, the outer width l=1.88mm of Roundabout, cross
Annular is interior along width w=0.2mm, the length of side D=2.8mm of square unit structure；Lithographic accuracy pattern error is less than 2um.
2. a kind of radio frequency/optics beam synthesizer as described in claim 1, which is characterized in that the substrate surface flatness
Reach optical grade.
3. a kind of radio frequency/optics beam synthesizer as described in claim 1, which is characterized in that the coating surface flatness
Reach optical grade.
4. a kind of radio frequency/optics beam synthesizer as described in claim 1, which is characterized in that by several rectangular cells knots
Structure forms various sizes of radio frequency/optics beam synthesizer by splicing.
5. a kind of radio frequency/optics beam synthesizer as described in claim 1 or 4, which is characterized in that optical signalling is with 45 degree of angles
The radio frequency/optics beam synthesizer front is reached, the visual field of target seeker is reflected by the coating；Simultaneously radiofrequency signal from
The radio frequency/optics beam synthesizer back side is by transmission, and into the visual field of target seeker, optical signalling mixes shape with radiofrequency signal
At radio frequency/optical signalling.
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| CN201611068607.9A CN106767160B (en) | 2016-11-29 | 2016-11-29 | A kind of radio frequency/optics beam synthesizer |
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| CN201611068607.9A CN106767160B (en) | 2016-11-29 | 2016-11-29 | A kind of radio frequency/optics beam synthesizer |
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| CN108897331A (en) * | 2018-05-11 | 2018-11-27 | 安徽尼古拉电子科技有限公司 | A kind of aircraft altitude control method and system based on Radar Technology |
| CN110708406B (en) * | 2019-10-09 | 2021-05-18 | Oppo广东移动通信有限公司 | Shell, preparation method thereof and electronic equipment |
| CN111983565B (en) * | 2020-07-31 | 2021-09-14 | 哈尔滨新光光电科技股份有限公司 | Wave beam synthesizer |
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| CN101303407B (en) * | 2008-05-28 | 2011-03-02 | 哈尔滨工业大学 | Thin film type infrared-radar beam synthesizer |
| CN103904387B (en) * | 2012-12-28 | 2016-02-17 | 中国航空工业第六○七研究所 | A kind of millimeter wave transmission and optical reflection two mode field |
| CN103454773B (en) * | 2013-01-08 | 2015-11-18 | 北京理工大学 | A kind of infrared/microwave Shared aperture beam synthesizer |
| CN103487860B (en) * | 2013-08-30 | 2015-10-28 | 中国科学院长春光学精密机械与物理研究所 | Radar/infrared dual band frequencies selects surface |
| CN104215950A (en) * | 2014-09-19 | 2014-12-17 | 北京仿真中心 | Method, device and method for forming infrared-microwave beam |
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