CN109120344A - Signal transmitting system between star - Google Patents
Signal transmitting system between star Download PDFInfo
- Publication number
- CN109120344A CN109120344A CN201811277604.5A CN201811277604A CN109120344A CN 109120344 A CN109120344 A CN 109120344A CN 201811277604 A CN201811277604 A CN 201811277604A CN 109120344 A CN109120344 A CN 109120344A
- Authority
- CN
- China
- Prior art keywords
- laser beam
- lens assembly
- polarization
- sent
- expanding
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/118—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
Abstract
The embodiment of the invention discloses signal transmitting systems between a kind of star, are related to field of aerospace technology, and main purpose is validity, the high efficiency of signal transmitting between realization star.The system of the embodiment of the present invention includes: lens assembly and beam-expanding system, wherein lens assembly for receiving laser beam, and adjusts shooting angle of the laser beam from lens assembly, laser beam adjusted is sent to beam-expanding system；The beam-expanding system is set to after the lens assembly, the laser beam adjusted sent for receiving the lens assembly, and is expanded to the laser beam, and the laser beam after the beam-expanding system is expanded emits.The embodiment of the present invention emits in signal process between being mainly used in star.
Description
Technical field
The present embodiments relate to field of aerospace technology, more particularly to signal transmitting system between a kind of star.
Background technique
Along with the development of the communication technology, the popularization and application of artificial satellite are also rapidly developed, artificial earth satellite
Also referred to as artificial satellite.Currently, artificial satellite is spacecraft with fastest developing speed, that purposes is most wide.Be mainly used for weather forecast, communication,
The every field such as tracking, navigation.
Artificial satellite is receiving the laggard row information acquisition of control command, and information is emitted by laser, is transmitted,
During laser emission seriously affects information quality.Efficiently carrying out Laser emission is the key that determine communication quality, therefore,
How the quality of signal transmitting be current urgent need to resolve the problem of is improved.
Summary of the invention
In view of this, main purpose is between realization star the embodiment of the invention provides signal transmitting system between a kind of star
Validity, the high efficiency of signal transmitting.
To solve the above-mentioned problems, the embodiment of the present invention mainly provides the following technical solutions:
The embodiment of the present invention provides signal transmitting system between a kind of star, comprising:
Lens assembly for receiving laser beam, and adjusts shooting angle of the laser beam from lens assembly, after adjustment
Laser beam be sent to beam-expanding system；
The beam-expanding system is set to after the lens assembly, the adjustment sent for receiving the lens assembly
Laser beam afterwards, and the laser beam is expanded, the laser beam after the beam-expanding system is expanded emits.
Optionally, the system also includes polarization spectro component and the first wave plate components, wherein
Polarization spectro component for receiving the laser beam, and reflects S-polarization laser beam to the first wave plate component；
The first wave plate component, for the laser beam to be converted to circularly polarized laser beam by S-polarization laser beam, by institute
It states circularly polarized laser beam and is sent to the lens assembly.
Optionally, the system also includes:
The first wave plate component is also used to receive the circularly polarized laser beam that the lens assembly is sent, and will justify
Polarized laser beam is converted to P polarization laser beam, and the P polarization laser beam is transmitted to the polarization spectro component；
The polarization spectro component, for through P polarization laser beam to the beam-expanding system.
Optionally, the system also includes:
Second wave plate component, for receiving the P polarization laser beam after the beam-expanding system expands, by the P polarization laser
Beam is converted to circularly polarized laser beam.
Optionally, the system also includes:
Photoelectric sensor is connect with the lens assembly, for being updated between real time position star, and will be updated
Real time position is sent to the lens assembly；
The lens assembly is also used to receive the real time position that the photoelectric sensor is sent, and according to the real-time position
Set shooting angle of the adjustment from the lens assembly shoot laser beam.
Optionally, the system also includes:
Filtering assembly obtains the testing laser beam of target wave band for being filtered to the testing laser beam received, and
The testing laser beam of the target wave band is transmitted to the photoelectric sensor.
Optionally, the lasing beam diameter before expanding is 4 millimeters；The target wave band is 1064 nanometers.
Optionally,
The photoelectric converter is cmos, and the shooting angle that the lens assembly adjusts the laser beam that it is received is by anti-
Penetrate adjusting；
Collimation mirror assembly is equipped between the filtering assembly and the photoelectric converter, the filtering assembly is filtered to swash
Light beam is received after collimator assembly collimation by the photoelectric converter.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention is at least had the advantage that
Signal transmitting system between star provided in an embodiment of the present invention, comprising: lens assembly, beam-expanding system, wherein lens group
Part for receiving laser beam, and adjusts shooting angle of the laser beam from lens assembly, laser beam adjusted is sent to
Beam-expanding system；The beam-expanding system is set to after the lens assembly, the adjustment sent for receiving the lens assembly
Laser beam afterwards, and the laser beam is expanded；Laser beam after the beam-expanding system is expanded emits；With it is existing
Technology is compared, and the embodiment of the present invention carries out expanding for laser beam by lens assembly adjustment period shooting angle, and by expanding, with
Laser beam receiving end is adapted to lasing beam diameter is received, realization is effective, efficiently emits laser signal.
Above description is only the general introduction of technical solution of the embodiment of the present invention, in order to better understand the embodiment of the present invention
Technological means, and can be implemented in accordance with the contents of the specification, and in order to allow above and other mesh of the embodiment of the present invention
, feature and advantage can be more clearly understood, the special specific embodiment for lifting the embodiment of the present invention below.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
The limitation of embodiment.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the schematic diagram of signal transmitting system between a kind of star provided in an embodiment of the present invention；
Fig. 2 shows the schematic diagrames of signal transmitting system between another star provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In order to realize information is transmitted between star high efficiency, the embodiment of the present invention provides signal transmitting system between a kind of star
System, as shown in Figure 1, the system comprises:
Lens assembly 11 for receiving the laser beam of first laser device transmitting, and adjusts the laser beam from lens assembly
Laser beam adjusted is sent to beam-expanding system by 11 shooting angle；The lens assembly 11 adjusts its laser beam received
Shooting angle be pass through Reflective regulation；
The beam-expanding system 12 is set to after the lens assembly 11, the institute sent for receiving the lens assembly 11
Laser beam adjusted is stated, and the laser beam is expanded；Laser beam after the beam-expanding system is expanded emits,
It in embodiment disclosed by the invention, is influenced by the diameter that lens assembly 11 receives laser beam, is emitting laser beam extremely
When space flight carrier, need to be expanded by beam-expanding system to increase the diameter of laser beam, in implementation disclosed by the invention
In example, before beam-expanding system expands laser beam, the lasing beam diameter before expanding is 4 millimeters, it is assumed that the beam-expanding system can be 5
Times beam-expanding system, then the diameter of the laser beam after beam-expanding system expands is 20 millimeters.The above is only illustrative citings, originally
Inventive embodiments are to the specific multiple of beam-expanding system, and expand the diameter of front and back laser beam and be not specifically limited.
By the radiating laser beams after expanding to space flight carrier and/or ground communications station, passed by the transmitting of laser beam
It is defeated realize two places or mostly information transmitting, complete communication.
Signal transmitting system between star provided in an embodiment of the present invention, comprising: lens assembly 11, beam-expanding system and transmitting mould
Block, wherein lens assembly 11, for receiving laser beam, and adjust shooting angle of the laser beam from lens assembly 11, will adjust
Laser beam after whole is sent to beam-expanding system；The beam-expanding system is set to after the lens assembly 11, for receiving the mirror
The laser beam adjusted that head assembly 11 is sent, and the laser beam is expanded；After the beam-expanding system is expanded
Laser beam emitted；Compared with prior art, the embodiment of the present invention is by 11 adjustment period of lens assembly shooting angle, and leads to
It crosses to expand and carries out expanding for laser beam, to adapt to laser beam receiving end to lasing beam diameter is received, realize effective, efficient transmitting
Laser signal.
As shown in Fig. 2, the system also includes: polarization spectro component 13 and the first wave plate component 14, wherein
Polarization spectro component 13 for receiving the laser beam of first laser device transmitting, and reflects S-polarization laser beam extremely
First wave plate component 14；Pass through polarization spectro component 13 for the first time for laser beam at this, laser beam at this time is linearly polarized laser
Beam.
The first wave plate component 14 will for the laser beam to be converted to circularly polarized laser beam by S-polarization laser beam
The circularly polarized laser beam is sent to the lens assembly 11.
Lens assembly 11 is adjusted the circularly polarized laser beam received, adjusts shooting angle by lens assembly 11
Afterwards, pass through the first wave plate component 14 and polarization spectro component 13 respectively, specific as follows:
The first wave plate component 14 is also used to receive the circularly polarized laser beam that the lens assembly 11 is sent, and
Circularly polarized laser beam is converted into P polarization laser beam, the P polarization laser beam is transmitted to the polarization spectro component 13；
The polarization spectro component 13, for through P polarization laser beam to the beam-expanding system 12.
As shown in Fig. 2, the system also includes:
Second wave plate component 15 swashs the P polarization for receiving the P polarization laser beam after the beam-expanding system expands
Light beam is converted to circularly polarized laser beam, and circularly polarized laser Shu Jinhang is emitted, transmitting to ground communications station and other are artificial
Satellite etc., realize star between communicate.
As shown in Fig. 2, the system also includes:
Photoelectric sensor 16 is connect with the lens assembly 11, for being updated between real time position star, and will be updated
Real time position afterwards is sent to the lens assembly 11；The photoelectric converter is cmos.
The lens assembly 11 is also used to receive the real time position that the photoelectric sensor 16 is sent, and according to the reality
When position adjustment from the shooting angle of the 11 shoot laser beam of lens assembly.
As shown in Fig. 2, the system also includes:
Filtering assembly 17, the testing laser beam for sending to the second laser received are filtered, and obtain target
The testing laser beam of wave band, and the testing laser beam of the target wave band is transmitted to the photoelectric sensor 16.The present invention is real
The laser beam that testing laser beam described in example is different from first laser device transmitting is applied, the testing laser beam is by after receiving and being adjusted
The receiving end of laser beam emitted, generally space travel carrier or other artificial satellites, for by photoelectric sensor
16 based on testing laser beam calculating and the real time position between the space travel carrier or other artificial satellites, the present invention
In embodiment, the target wave band is 1064 nanometers.
It should be noted that first laser device described in the embodiment of the present invention and second laser its essence are laser
Device is illustrated by the way of the one the second, is rather than to represent the priority orders of transmitting to distinguish various lasers.
As shown in Fig. 2, the system also includes:
Collimation mirror assembly 18, the filtering assembly filtering are equipped between the filtering assembly 17 and the photoelectric converter 16
Laser beam afterwards is received after collimator assembly collimation by the photoelectric converter.
In view of signal transmitting system receives testing laser beam and emits the isolation problem of laser beam, as of the invention real
The optional way of example is applied, photoelectric sensor 16 directly receives the testing laser beam of second laser transmission, is based on testing laser beam
It calculates and real time position and is updated between star, and updated real time position is sent to the lens assembly 11.
It should be understood by those skilled in the art that, embodiments herein can provide as system.Therefore, the application can be used
The form of complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects.Moreover, the application
It is (including but unlimited that the computer-usable storage medium for wherein including computer usable program code in one or more can be used
In magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that the process, commodity or the equipment that include a series of elements not only include those elements, but also including not having
The other element being expressly recited, or further include for this process, commodity or the intrinsic element of equipment.Not more
In the case where limitation, the element that is limited by sentence "including a ...", it is not excluded that include the process of element, commodity or
There is also other identical elements in equipment.
It will be understood by those skilled in the art that embodiments herein can provide as system or computer program product.Therefore,
The form of complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (8)
1. signal transmitting system between a kind of star characterized by comprising
Lens assembly for receiving laser beam, and adjusts shooting angle of the laser beam from lens assembly, swashs adjusted
Light beam is sent to beam-expanding system；
The beam-expanding system is set to after the lens assembly, for receiving the described adjusted of the lens assembly transmission
Laser beam, and the laser beam is expanded, the laser beam after the beam-expanding system is expanded emits.
2. system according to claim 1, which is characterized in that the system also includes: polarization spectro component and first wave
Piece component, wherein
Polarization spectro component for receiving the laser beam, and reflects S-polarization laser beam to the first wave plate component；
The first wave plate component, for the laser beam to be converted to circularly polarized laser beam by S-polarization laser beam, by the circle
Polarized laser beam is sent to the lens assembly.
3. system according to claim 2, which is characterized in that the system also includes:
The first wave plate component, is also used to receive the circularly polarized laser beam that the lens assembly is sent, and by circular polarization
Laser beam is converted to P polarization laser beam, and the P polarization laser beam is transmitted to the polarization spectro component；
The polarization spectro component, for through P polarization laser beam to the beam-expanding system.
4. system according to claim 3, which is characterized in that the system also includes:
Second wave plate component turns the P polarization laser beam for receiving the P polarization laser beam after the beam-expanding system expands
It is changed to circularly polarized laser beam.
5. system according to claim 4, which is characterized in that the system also includes:
Photoelectric sensor is connect with the lens assembly, for being updated between real time position star, and will be updated real-time
Position is sent to the lens assembly；
The lens assembly is also used to receive the real time position that the photoelectric sensor is sent, and according to the real time position tune
The whole shooting angle from the lens assembly shoot laser beam.
6. system according to claim 5, which is characterized in that the system also includes:
Filtering assembly obtains the testing laser beam of target wave band for being filtered to the testing laser beam received, and by institute
The testing laser beam for stating target wave band is transmitted to the photoelectric sensor.
7. system according to claim 6, which is characterized in that the lasing beam diameter before expanding is 4 millimeters；The target wave
Section is 1064 nanometers.
8. system according to claim 6, which is characterized in that
The photoelectric converter is cmos, and the shooting angle that the lens assembly adjusts the laser beam that it is received is to be adjusted by reflection
Section；
Collimation mirror assembly, the filtered laser beam of filtering assembly are equipped between the filtering assembly and the photoelectric converter
It is received after collimator assembly collimation by the photoelectric converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277604.5A CN109120344A (en) | 2018-10-30 | 2018-10-30 | Signal transmitting system between star |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277604.5A CN109120344A (en) | 2018-10-30 | 2018-10-30 | Signal transmitting system between star |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109120344A true CN109120344A (en) | 2019-01-01 |
Family
ID=64855763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277604.5A Pending CN109120344A (en) | 2018-10-30 | 2018-10-30 | Signal transmitting system between star |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109120344A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1777064A (en) * | 2005-12-16 | 2006-05-24 | 北京大学 | Satellite laser communication terminal |
| WO2007016537A2 (en) * | 2005-08-02 | 2007-02-08 | Itt Manufacturing Enterprises, Inc. | Communication transceiver architecture |
| CN103401610A (en) * | 2013-08-06 | 2013-11-20 | 中国科学院长春光学精密机械与物理研究所 | Differential-type circularly-polarized laser carrier communication system |
| CN105284064A (en) * | 2013-04-02 | 2016-01-27 | 雷神公司 | Laser relay for free space optical communications |
| CN105827310A (en) * | 2016-03-23 | 2016-08-03 | 长春理工大学 | Wide angle beam expander-based multipoint laser communication optical antenna |
| US9774395B1 (en) * | 2014-04-30 | 2017-09-26 | The United States Of America As Represented By The Administrator Of Nasa | Space optical communications using laser beams |
| US20180019809A1 (en) * | 2016-07-13 | 2018-01-18 | Space Systems/Loral, Llc | Satellite System That Produces Optical Inter-Satellite Link (ISL) Beam Based On RF Feeder Uplink Beam |
| US20180074338A1 (en) * | 2016-09-14 | 2018-03-15 | Candela Corporation | Laser System Preserving Polarization Through A Freely Movable Beam Delivery System |
| CN108539877A (en) * | 2017-12-22 | 2018-09-14 | 天津蓝天太阳科技有限公司 | A kind of Intelligent laser energy supplying system for long-range free space |
| CN209562557U (en) * | 2018-10-30 | 2019-10-29 | 宁波光舟通信技术有限公司 | Signal transmitting system between star |
-
2018
- 2018-10-30 CN CN201811277604.5A patent/CN109120344A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007016537A2 (en) * | 2005-08-02 | 2007-02-08 | Itt Manufacturing Enterprises, Inc. | Communication transceiver architecture |
| CN1777064A (en) * | 2005-12-16 | 2006-05-24 | 北京大学 | Satellite laser communication terminal |
| CN105284064A (en) * | 2013-04-02 | 2016-01-27 | 雷神公司 | Laser relay for free space optical communications |
| CN103401610A (en) * | 2013-08-06 | 2013-11-20 | 中国科学院长春光学精密机械与物理研究所 | Differential-type circularly-polarized laser carrier communication system |
| US9774395B1 (en) * | 2014-04-30 | 2017-09-26 | The United States Of America As Represented By The Administrator Of Nasa | Space optical communications using laser beams |
| CN105827310A (en) * | 2016-03-23 | 2016-08-03 | 长春理工大学 | Wide angle beam expander-based multipoint laser communication optical antenna |
| US20180019809A1 (en) * | 2016-07-13 | 2018-01-18 | Space Systems/Loral, Llc | Satellite System That Produces Optical Inter-Satellite Link (ISL) Beam Based On RF Feeder Uplink Beam |
| US20180074338A1 (en) * | 2016-09-14 | 2018-03-15 | Candela Corporation | Laser System Preserving Polarization Through A Freely Movable Beam Delivery System |
| CN108539877A (en) * | 2017-12-22 | 2018-09-14 | 天津蓝天太阳科技有限公司 | A kind of Intelligent laser energy supplying system for long-range free space |
| CN209562557U (en) * | 2018-10-30 | 2019-10-29 | 宁波光舟通信技术有限公司 | Signal transmitting system between star |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6816112B1 (en) | Hybrid RF/optical acquisition and tracking system and method | |
| US11716140B2 (en) | Two-mirror tracking system for free-space optical communication | |
| US8160452B1 (en) | Rapid acquisition, pointing and tracking optical system for free space optical communications | |
| Kaushal et al. | Acquisition, tracking, and pointing | |
| CN209562557U (en) | Signal transmitting system between star | |
| CN109104239A (en) | Signal adjusts system between a kind of star | |
| CN109120344A (en) | Signal transmitting system between star | |
| CN209001969U (en) | A kind of airborne receive-transmit system | |
| CN209562549U (en) | Signal adjusts system between a kind of star | |
| US11689283B1 (en) | Free-space optical communication system using a backchannel for power optimization | |
| CN209375649U (en) | A kind of airborne receiving system | |
| CN109150293A (en) | Signal transmitting system between a kind of star | |
| CN209562550U (en) | Signal transmitting system between a kind of star | |
| US20220107473A1 (en) | Determining pointing accuracy using optical fiber bundle | |
| Lakshmi et al. | Inter-satellite laser communication system | |
| CN109391326A (en) | A kind of airborne receive-transmit system | |
| CN209562563U (en) | A kind of reception system of Communication ray | |
| CN109474339A (en) | Signal adjusting method and device between star | |
| CN209560198U (en) | A kind of launched by airplane system | |
| CN109474325A (en) | Signal transmitting method, apparatus and system between star | |
| CN109407306A (en) | A kind of launched by airplane system | |
| CN109120341A (en) | A kind of signal transmission system | |
| CN115242305B (en) | Light beam divergence angle control method, laser emission system, terminal and storage medium | |
| Alluru | A system design of an optical wireless communication system for cubesats | |
| CN109150317A (en) | A kind of reception system of Communication ray |
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 |