CN109728850A - A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system - Google Patents
A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system Download PDFInfo
- Publication number
- CN109728850A CN109728850A CN201811580698.3A CN201811580698A CN109728850A CN 109728850 A CN109728850 A CN 109728850A CN 201811580698 A CN201811580698 A CN 201811580698A CN 109728850 A CN109728850 A CN 109728850A
- Authority
- CN
- China
- Prior art keywords
- volume holographic
- deep ultraviolet
- multilayer
- antenna system
- multilayer volume
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Abstract
The present invention relates to deep ultraviolet scatter communication fields, and in particular to a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system.A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system, including multilayer volume holographic condenser, deep ultraviolet optical filter and the photodetector set gradually along the light direction of propagation；The multilayer volume holographic condenser includes at least one layer of volume holographic polarizer and at least one layer of volume holographic solar panel；The photodetector and deep ultraviolet optical filter are located at the common spot position of multilayer volume holographic condenser.The present invention forms a kind of new optical antenna scheme for having both big visual field and high efficiency and filtering, can substantially improve the performance of receiving end by the concatenated form of multiple reflection hologram；The multilayer volume holographic formula deep ultraviolet communication optics antenna system has the characteristics of low in cost, structure is simple, easy duplication, is conducive to the functionization of Ultraviolet Communications System.
Description
Technical field
The present invention relates to deep ultraviolet scatter communication fields, and in particular to a kind of multilayer volume holographic formula deep ultraviolet communication optics day
Linear system system.
Background technique
Deep ultraviolet light refers to ultraviolet light of the wave-length coverage in 200~280nm, since the ozone layer in atmosphere is for the wave
Ultraviolet light in segment limit has strong absorption, therefore the wave band has extremely low ambient noise near the ground.Simultaneously
Strong scattering beneficial to airborne particulate and aerosol to ultraviolet light wave, short-range non line-of-sight communication are possibly realized.It is strong in atmosphere
Under strong scattering and absorption, uv power is decayed rapidly with propagation distance, therefore deep ultraviolet communication is not easy to be ravesdropping, and maintains secrecy
Property is good.Further, since deep ultraviolet communication is built upon on the basis of atmospheric scattering, therefore severe weather conditions are to deep ultraviolet
The influence of communication performance is smaller, or even is conducive to the raising of communication performance.So deep ultraviolet communication is in military field and civilian neck
Domain is all with a wide range of applications.
But the rapid decaying due to ultraviolet signal under atmospheric environment, even if in effective communication distance, receiving end institute
The signal that can be received is also very faint.Therefore the reception power of receiving end optical signal how is improved, to improve reception signal
Signal-to-noise ratio become deep ultraviolet communication difficult point.The optical antenna system of traditional deep ultraviolet communication receiver uses Fresnel
Lens or compound parabolic concentrator realize the capture to faint optical signal, but the capture effect of above two structure is all
It is not ideal enough.
Therefore a kind of new optical antenna system is developed, realizes the capture of the big field angle of deep ultraviolet light signal, and is improved
Optical filtering efficiency when signal capture, the performance for promoting entire deep ultraviolet communication system are of great significance.
Summary of the invention
To solve the problems, such as that above-mentioned background technique, the present invention propose a kind of multilayer volume holographic formula deep ultraviolet Communication ray
Antenna system is learned, is applied in deep ultraviolet communication receiver, is on the one hand substantially increased the field angle of receiving end, enhance signal
Reception power, on the other hand realize the optical filtering to deep ultraviolet light signal, the optical signal noise of its all band can be reduced
Interference, the efficiency that cooperation deep ultraviolet optical filter is filtered using wave band can be improved, while signal-to-noise ratio is improved in terms of two.
Technical proposal that the invention solves the above-mentioned problems is: a kind of multilayer volume holographic formula deep ultraviolet communication optics aerial system
System, is characterized in that
Including multilayer volume holographic condenser, deep ultraviolet optical filter and the photodetection set gradually along the light direction of propagation
Device；
The multilayer volume holographic condenser includes at least one layer of volume holographic polarizer and at least one layer of volume holographic solar panel；
The photodetector and deep ultraviolet optical filter are located at the common spot position of multilayer volume holographic condenser.
Further, the quantity of above-mentioned volume holographic polarizer is three layers, and every layer of volume holographic polarizer is for different angle
Diffraction occurs for light；The quantity of the volume holographic solar panel is one layer.
Further, above-mentioned photodetector is deep ultraviolet detector or the detector that can be realized photoelectric conversion.
Further, above-mentioned photodetector is the deep ultraviolet detectors such as avalanche diode or photomultiplier tube.
Further, the optical signal of above-mentioned multilayer volume holographic condenser transmission is the light letter of deep ultraviolet band (UVC wave band)
Number, wavelength is 200nm~280nm.
Further, above-mentioned volume holographic polarizer and volume holographic solar panel are said three-dimensional body holographic structure, using laser interference,
Or nanometer embossing is prepared.
Advantages of the present invention:
Multilayer volume holographic formula deep ultraviolet communication optics antenna system of the present invention, by the concatenated form of multiple reflection hologram,
A kind of new optical antenna scheme for having both big visual field and high efficiency and filtering is formd, the performance of receiving end can be substantially improved；It should
Multilayer volume holographic formula deep ultraviolet communication optics antenna system has the characteristics of low in cost, structure is simple, easy duplication, is conducive to
The functionization of Ultraviolet Communications System.
Detailed description of the invention
Fig. 1 is multilayer volume holographic formula deep ultraviolet communication optics antenna system configuration schematic diagram of the present invention.
Wherein, 1, multilayer volume holographic condenser；2, volume holographic polarizer；3, volume holographic solar panel；4, photodetector；5,
Deep ultraviolet optical filter.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
Referring to Fig. 1, a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system, including successively along the light direction of propagation
Multilayer volume holographic condenser 1, deep ultraviolet optical filter 5 and the photodetector 4 of setting.
The multilayer volume holographic condenser 1 includes volume holographic polarizer 2 and volume holographic solar panel 3；The photodetector 4
It is located at the common spot position of multilayer volume holographic condenser 1 with deep ultraviolet optical filter 5.
Multilayer volume holographic condenser 1 includes at least one layer of volume holographic polarizer and one layer of volume holographic solar panel.Since body is complete
Bragg diffraction phenomenon possessed by structure is ceased, only for the light of special angle diffraction can occur for every layer of volume holographic structure, and
The light of other angles directly transmits.
In the production of volume holographic polarizer 2, make the volume holographic polarizer of different layers just for different specific by design
Diffraction occurs for the incident optical signal of angle, and the incident optical signal of other angles directly transmits.Multilayer is directed to incidence angles degree
Volume holographic polarizer tandem compound and splicing, each layer of targeted operating angle of volume holographic polarizer be complementary to one another.It can
To realize that the optical signal of big visual field receives.
The volume holographic solar panel 3 is set to the lowest level of multilayer volume holographic condenser 1, and the volume holographic polarizer 2 is
It is set to the top of the volume holographic solar panel 3.Incident ray is after each 2 diffraction of layer volume holographic polarizer or transmission, Jing Tiquan
Breath solar panel 3 is captured by deep ultraviolet optical filter 5 by photodetector 4 after focusing.
In the embodiment of the present invention, volume holographic polarizer 2 respectively corresponds three kinds of differences using three layers of volume holographic polarizer design
Photon incident angle α, β, γ.When photon incident angle α ∈ [30 °, 70 °] (interval width and section herein and below
Center can be adjusted when volume holographic solar panel makes), then diffraction deflection can occur in first layer polarizer；And other enter
The photon of firing angle degree can be then directly projected to up to the second layer, and the second layer is inclined to the photonics diffractive of incident angle β ∈ [70 °, 110 °]
Turn, incident angle is that in third layer diffraction deflection can occur for the photon of γ ∈ [110 °, 150 °].Such concatenated multilayered structure
The work incidence angle degree of the generation diffraction of each layer is complementary to one another, at this time the total visual field scope in receiving end be [30 °,
150 °], to realize the reception of the deep ultraviolet light signal of big visual field.The wavelength selectivity of the diffraction of volume holographic polarizer 2 simultaneously
Can have to the light of its all band it is certain filter out effect, the optical filtering efficiency of system can be improved, deep ultraviolet optical filter 5 is cooperated to make
With so that only deep ultraviolet light signal diffraction be deflected and converge to photodetector 4 as far as possible, to realize that high s/n ratio light is believed
Number reception.
The above description is only an embodiment of the present invention, is not limited the scope of the invention with this, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant systems
Domain is commanded, is included within the scope of the present invention.
Claims (6)
1. a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system, it is characterised in that:
Including the multilayer volume holographic condenser (1), deep ultraviolet optical filter (5) and photodetection set gradually along the light direction of propagation
Device (4)；
The multilayer volume holographic condenser (1) includes at least one layer of volume holographic polarizer (2) and at least one layer of volume holographic solar panel
(3)；
The photodetector (4) and deep ultraviolet optical filter (5) are located at the common spot position of multilayer volume holographic condenser (1).
2. a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system according to claim 1, it is characterised in that: institute
The quantity for stating volume holographic polarizer (2) is three layers, and for the light of different angle diffraction occurs for every layer of volume holographic polarizer (2)；
The quantity of the volume holographic solar panel (3) is one layer.
3. a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system according to claim 2, it is characterised in that: institute
Stating photodetector (4) is deep ultraviolet detector or the detector that can be realized photoelectric conversion.
4. a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system according to claim 1 to 3, feature
Be: the photodetector (4) is avalanche diode or photomultiplier tube.
5. a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system according to claim 4, it is characterised in that: institute
The optical signal for stating multilayer volume holographic condenser (1) transmission is the optical signal of deep ultraviolet band, and wavelength is 200nm~280nm.
6. a kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system according to claim 4, it is characterised in that: complete
It ceases polarizer (2) and volume holographic solar panel (3) is said three-dimensional body holographic structure, prepared using laser interference or nanometer embossing
It forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580698.3A CN109728850A (en) | 2018-12-24 | 2018-12-24 | A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580698.3A CN109728850A (en) | 2018-12-24 | 2018-12-24 | A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109728850A true CN109728850A (en) | 2019-05-07 |
Family
ID=66297233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580698.3A Pending CN109728850A (en) | 2018-12-24 | 2018-12-24 | A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109728850A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838874A (en) * | 2019-10-15 | 2020-02-25 | 同济大学 | Mobile optical communication device supporting high-speed multi-beam tracking |
| US20220052450A1 (en) * | 2019-05-07 | 2022-02-17 | Bao Tran | Cellular system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09162425A (en) * | 1995-12-13 | 1997-06-20 | Nippon Telegr & Teleph Corp <Ntt> | Data communication device |
| WO2000072057A1 (en) * | 1999-05-25 | 2000-11-30 | Digilens Inc. | Light concentrating system |
| CN206362999U (en) * | 2016-11-25 | 2017-07-28 | 上海航空电器有限公司 | A kind of big visual field ultraviolet communication reception antenna structure |
| CN108278568A (en) * | 2017-12-13 | 2018-07-13 | 清华大学深圳研究生院 | A kind of sunlight holography exempts to track focus illumination system |
| CN108563013A (en) * | 2017-12-15 | 2018-09-21 | 清华大学深圳研究生院 | A kind of composite parabolic reception antenna design method and composite parabolic reception antenna |
| CN108563007A (en) * | 2017-12-13 | 2018-09-21 | 清华大学深圳研究生院 | A kind of multilayer volume holographic uniform focus system |
-
2018
- 2018-12-24 CN CN201811580698.3A patent/CN109728850A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09162425A (en) * | 1995-12-13 | 1997-06-20 | Nippon Telegr & Teleph Corp <Ntt> | Data communication device |
| WO2000072057A1 (en) * | 1999-05-25 | 2000-11-30 | Digilens Inc. | Light concentrating system |
| CN206362999U (en) * | 2016-11-25 | 2017-07-28 | 上海航空电器有限公司 | A kind of big visual field ultraviolet communication reception antenna structure |
| CN108278568A (en) * | 2017-12-13 | 2018-07-13 | 清华大学深圳研究生院 | A kind of sunlight holography exempts to track focus illumination system |
| CN108563007A (en) * | 2017-12-13 | 2018-09-21 | 清华大学深圳研究生院 | A kind of multilayer volume holographic uniform focus system |
| CN108563013A (en) * | 2017-12-15 | 2018-09-21 | 清华大学深圳研究生院 | A kind of composite parabolic reception antenna design method and composite parabolic reception antenna |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220052450A1 (en) * | 2019-05-07 | 2022-02-17 | Bao Tran | Cellular system |
| US11646490B2 (en) * | 2019-05-07 | 2023-05-09 | Bao Tran | Cellular system |
| US20230261377A1 (en) * | 2019-05-07 | 2023-08-17 | Bao Tran | Cellular system |
| US11936120B2 (en) * | 2019-05-07 | 2024-03-19 | Bao Tran | Cellular system |
| CN110838874A (en) * | 2019-10-15 | 2020-02-25 | 同济大学 | Mobile optical communication device supporting high-speed multi-beam tracking |
| CN110838874B (en) * | 2019-10-15 | 2021-03-26 | 同济大学 | Mobile optical communication device supporting high-speed multi-beam tracking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6600919B2 (en) | Condensing mechanism, solar power generation device and window structure | |
| CN109814082A (en) | Optical receiver module and laser radar system | |
| CN108183750B (en) | Divide aperture laser communication optical transmitter and receiver based on optics phased array | |
| CN201048380Y (en) | Free atmosphere ultraviolet communication machine | |
| US10514485B2 (en) | Holographic diffraction-through-aperture spectrum splitting system and method | |
| CN106067841A (en) | Optical receiver system seen from self adaptation based on compound eye structural | |
| CN102893416A (en) | Luminescent solar concentrator system | |
| CN107863411B (en) | Polarization Imaging Detector | |
| CN109728850A (en) | A kind of multilayer volume holographic formula deep ultraviolet communication optics antenna system | |
| CN103698313A (en) | Water vapor Raman laser radar ultraviolet high-resolution grating spectrometer | |
| CA2742101A1 (en) | System in space for reinforcing photosynthesis and method | |
| CN105609920A (en) | Underwater visible light communication receiving antenna device | |
| CN105974432A (en) | Solar radiation background noise suppression system based on Fabry - Perot etalon | |
| CN107315257B (en) | A kind of medium-wave infrared and long wave infrared region recombination dichroic elements and design method | |
| TWI436492B (en) | Concentrating solar photovoltaic module | |
| JP4978848B2 (en) | Concentrating solar power generation system | |
| CN220289845U (en) | A laser radar signal receiving device based on two-in-one dual fields of view | |
| CN111856769A (en) | An Anti-Laser Directional Infrared Interference Method Based on Spectroscopic and Multi-band Detector Fusion | |
| US20160047877A1 (en) | Optical Differential Solar Tracking System | |
| CN217112701U (en) | Laser radar | |
| CN109239820A (en) | Light-permeable is used for the Photospot solar reflecting mirror of plant growth | |
| WO2009093128A3 (en) | Photovoltaic receiver for a photovoltaic generation system and photovoltaic generation system thereof | |
| CN1921354A (en) | Ultraviolet light communication system | |
| Sidorovich | Optical countermeasures and security of free-space optical communication links | |
| CN102064225A (en) | Preposed fisheye meniscus lens group condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190507 |
|
| RJ01 | Rejection of invention patent application after publication |