CN109194403A - A kind of Transmission system of Communication ray - Google Patents
A kind of Transmission system of Communication ray Download PDFInfo
- Publication number
- CN109194403A CN109194403A CN201811276732.8A CN201811276732A CN109194403A CN 109194403 A CN109194403 A CN 109194403A CN 201811276732 A CN201811276732 A CN 201811276732A CN 109194403 A CN109194403 A CN 109194403A
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- Prior art keywords
- laser beam
- lens assembly
- polarization
- transmission system
- sent
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 230000010287 polarization Effects 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
- H04B10/675—Optical arrangements in the receiver for controlling the input optical signal for controlling the optical bandwidth of the input signal, e.g. spectral filtering
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/697—Arrangements for reducing noise and distortion
- H04B10/6972—Arrangements for reducing noise and distortion using passive filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Optical Communication System (AREA)
Abstract
The embodiment of the invention discloses a kind of Transmission systems of Communication ray, it is related to field of aerospace technology, the main purpose of the embodiment of the present invention is that the field range for solving received laser beam is larger, received invalid laser beam is more, the problem for causing the communication service provided unstable, the Transmission system of the Communication ray includes: filtering unit, is filtered to the laser beam received, the laser beam of target wave band is obtained, and the laser beam of the target wave band is transmitted to beam-expanding system；Beam-expanding system collects the laser beam of the target wave band, and the laser beam after collecting is transmitted to lens assembly for receiving the laser beam of the target wave band；The lens assembly, for receive sent from the beam-expanding system collect after laser beam, and adjust shooting angle of the laser beam from the lens assembly.
Description
Technical field
The present embodiments relate to field of aerospace technology, more particularly to a kind of Transmission system of Communication ray.
Background technique
Along with the rapid development of aeronautical and space technology, aircraft has become a kind of commonplace vehicles, in order to
The flight experience of passenger is improved, has been allowed in aircraft flight using mobile phone, it is also increasing to the requirement of communication as a result,
Many airlines provide communication service for passenger to promote service quality, attract more passengers at present, such as: it is artificial to defend
The use of star can provide communication service for passenger, to increase the recreation of passenger, eliminate the uninteresting of journey.
Currently, satellite borne equipment provides communication service by receiving transmitting laser.Inventor in the specific implementation process, sends out
The interference light that received laser beam now exists in the prior art is more, and field range is larger, and received invalid laser beam is more, leads
It causes the communication service provided unstable, reduces user experience.
Summary of the invention
In view of this, main purpose is to solve to receive the embodiment of the invention provides a kind of Transmission system of Communication ray
Laser beam interference light it is more, field range is larger, and received invalid laser beam is more, causes the communication service provided unstable
Fixed problem.
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 a kind of Transmission system of Communication ray, comprising:
Filtering unit is filtered the laser beam received, obtains the laser beam of target wave band, and by the target wave
The laser beam of section is transmitted to beam-expanding system；
Beam-expanding system collects the laser beam of the target wave band for receiving the laser beam of the target wave band,
And the laser beam after collecting is transmitted to lens assembly；
The lens assembly, for receive sent from the beam-expanding system collect after laser beam, and adjust laser beam
From the shooting angle of the lens assembly.
Optionally, the Transmission system further include:
The lens assembly adjusts the shooting angle of the laser beam according to default swing angle, and will be after the adjustment
Laser beam be sent to photoelectric sensor；
Photoelectric converter is sent to for receiving the laser beam adjusted, calculates the laser beam adjusted
Coordinate information, and the coordinate information is sent to the lens assembly；
The lens assembly is also used to receive the coordinate information that the photoelectric converter is sent, and according to the seat
Mark information judgement is incident to whether the difference between the laser beam of the photoelectric converter and its optical axis is less than default error threshold；
If it is determined that be more than or equal to the default error threshold, then lens assembly based on the received the coordinate information after
Continuous adjustment from the shooting angle of the lens assembly shoot laser beam, until be incident to the photoelectric converter laser beam and its
Until difference between optical axis is less than default error threshold.
Optionally, the Transmission system further include: the first wave plate component, polarization spectroscope and spectroscope, wherein
First wave plate component, the laser beam adjusted sent for receiving the lens assembly, and by the tune
Circularly polarized laser beam after whole is converted to P polarization laser beam, and the P polarization laser beam is sent to polarization spectroscope；
The polarization spectroscope extremely divides for receiving the P polarization laser beam of conversion, and by the P polarization laser beam transmission
Light microscopic；
The spectroscope, for laser beam adjusted to be reflexed to the photoelectric converter.
Optionally, the Transmission system further include:
Second wave plate component, for receiving the laser beam of the filtered target wave band of the filtering unit, and by the mesh
The laser beam of nominal band is converted to S-polarization laser beam by circularly polarized laser beam, and the S-polarization laser beam is sent to the expansion
Beam system.
Optionally, the polarization spectroscope, after the laser beam after collecting, reflection S-polarization laser beam to institute
State the first wave plate component；
The first wave plate component for S-polarization laser beam to be converted to circularly polarized laser beam, and the circular polarization is swashed
Light beam is sent to the lens assembly.
Optionally, the target wave band is 1064 nanometers；
It is described collect after lasing beam diameter be 4 millimeters.
Optionally, the photoelectric converter is cmos, and the lens assembly adjusts the shooting angle for the laser beam that it is received
To pass through Reflective regulation；
Collimation mirror assembly is equipped between the spectroscope and the photoelectric converter, the laser beam warp that the spectroscope issues
It is received after crossing the 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
A kind of Transmission system of Communication ray provided in an embodiment of the present invention, comprising: filtering unit, to the laser beam received
It is filtered, obtains the laser beam of target wave band, and the laser beam of the target wave band is transmitted to beam-expanding system；It expands and is
System, for receiving the laser beam of the target wave band, collects the laser beam of the target wave band, and swashing after collecting
Beam Propagation is to lens assembly；The lens assembly, for receive from the beam-expanding system send collect after laser beam, and
Adjust shooting angle of the laser beam from the lens assembly；It is larger with the field range of received laser beam in the prior art, it connects
The invalid laser beam received is more, causes the communication service provided is unstable to compare, the embodiment of the present invention increases filtration module pair
The wave band of laser beam is filtered, and is increased lens assembly and be adjusted to the shooting angle of laser beam, and increasing reception has
Laser beam is imitated, the stability of communication service is improved.
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 a kind of schematic diagram of the Transmission system of Communication ray provided in an embodiment of the present invention；
Fig. 2 shows the schematic diagrames of the Transmission system of another Communication ray 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.
The embodiment of the present invention provides a kind of Transmission system of Communication ray, as shown in Figure 1, the system comprises:
Filtering unit 11 is filtered the laser beam received, obtains the laser beam of target wave band, and by the target
The laser beam of wave band is transmitted to beam-expanding system；The target wave band is 1064 nanometers
Beam-expanding system 12 receives the laser beam of the target wave band for receiving the laser beam of the target wave band
Beam, and the laser beam after collecting is transmitted to lens assembly；Received laser beam is collected to reduce communication ray laser
The diameter of beam, it is described collect after lasing beam diameter be 4 millimeters.
The lens assembly 13, for receive from the beam-expanding system 12 send collect after laser beam, and adjust swash
Shooting angle of the light beam from the lens assembly 13.
A kind of Transmission system of Communication ray provided in an embodiment of the present invention, comprising: filtering unit 11, to the laser received
Beam is filtered, and obtains the laser beam of target wave band, and the laser beam of the target wave band is transmitted to beam-expanding system 12；It expands
System 12 collects the laser beam of the target wave band for receiving the laser beam of the target wave band, and after collecting
Laser beam be transmitted to lens assembly 13；The lens assembly 13, for receive from the beam-expanding system 12 send collect after
Laser beam, and adjust shooting angle of the laser beam from the lens assembly 13；With the view of received laser beam in the prior art
Field range is larger, and received invalid laser beam is more, causes the communication service provided is unstable to compare, and the embodiment of the present invention increases
Filtration module is filtered the wave band of laser beam, and increases lens assembly 13 and adjust to the shooting angle of laser beam
It is whole, it increases and receives effective laser beam, improve the stability of communication service.
Further, the Transmission system further include:
The lens assembly 13, adjusts the shooting angle of the laser beam according to default swing angle, and by the adjustment
Laser beam afterwards is sent to photoelectric sensor；
Photoelectric converter 14 is sent to for receiving the laser beam adjusted, calculates the laser beam adjusted
Coordinate information, and the coordinate information is sent to the lens assembly 13；
The lens assembly 13 is also used to receive the coordinate information that the photoelectric converter 14 is sent, and according to institute
State whether the difference that coordinate information judgement is incident between the laser beam for stating photoelectric converter 14 and its optical axis is less than default error threshold
Value；
If it is determined that be more than or equal to the default error threshold, then the coordinate information based on the received of lens assembly 13
Continue to adjust the shooting angle from the 13 shoot laser beam of lens assembly, the laser until being incident to the photoelectric converter 14
Until difference between Shu Yuqi optical axis is less than default error threshold.
In embodiment disclosed by the invention, after lens assembly 13 receives laser beam, according to pre-set angle of oscillation
It spends and just successive step is carried out to the shooting angle of laser beam, the setting of swing angle is set according to the field of view of receiver of receiving system
Fixed, the field of view of receiver needs to preset, and in practical applications, can be configured in advance, in specific setting, no
What is be easily arranged is excessive, and such as positive and negative 180 ° (± 180 °), the incident angle of received laser beam at this time is excessive, is not easy to adjust, and produces
Raw Communication ray is mostly invalid light, cannot provide communication service；Also be not easy to be arranged it is too small, such as 0 °, at this time without field of view angle,
Received laser beam is excessively single, without receiving the laser beam of space flight carrier transmitting completely, then can not carry for space flight
Tool provides communication service.It is ± 2 ° that field of view of receiver can be preset in embodiment disclosed by the invention.Change going out for received laser beam
Firing angle degree needs to preset the swing angle of lens assembly 13 to adjust the incidence angle of laser beam, and the swing angle being arranged
Field of view of receiver angle should be greater than, it is ± 5 ° that swing angle can be preset in embodiment disclosed by the invention
As shown in Fig. 2, the Transmission system further include: the first wave plate component 15, polarization spectroscope 16 and spectroscope 17,
In,
First wave plate component 15, the laser beam adjusted sent for receiving the lens assembly 13, and by institute
It states circularly polarized laser beam adjusted and is converted to P polarization laser beam, the P polarization laser beam is sent to polarization spectroscope 16；
The polarization spectroscope 16, for receiving the P polarization laser beam of conversion, and extremely by the P polarization laser beam transmission
Spectroscope 17；
The spectroscope 17, for laser beam adjusted to be reflexed to the photoelectric converter 14.
As shown in Fig. 2, the Transmission system further include:
Second wave plate component 18, for receiving the laser beam of the filtered target wave band of the filtering unit 11, and by institute
The laser beam for stating target wave band is converted to S-polarization laser beam by circularly polarized laser beam, and the S-polarization laser beam is sent to institute
State beam-expanding system 12.
As shown in Fig. 2, the polarization spectroscope 16 reflects S-polarization laser beam after the laser beam after collecting
To the first wave plate component 15；
The first wave plate component 15, for S-polarization laser beam to be converted to circularly polarized laser beam, and by the circular polarization
Laser beam is sent to the lens assembly 13.
Photoelectric converter 14 described in the embodiment of the present invention is cmos, and the lens assembly 13 adjusts its laser beam received
Shooting angle be pass through Reflective regulation；
As shown in Fig. 2, being equipped with collimation mirror assembly 19, the light splitting between the spectroscope 17 and the photoelectric converter 14
The laser beam that mirror 17 issues is received after collimator assembly collimation by the photoelectric converter 14.
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 (7)
1. a kind of Transmission system of Communication ray characterized by comprising
Filtering unit is filtered the laser beam received, obtains the laser beam of target wave band, and by the target wave band
Laser beam is transmitted to beam-expanding system；
Beam-expanding system collects the laser beam of the target wave band for receiving the laser beam of the target wave band, and will
Laser beam after collecting is transmitted to lens assembly；
The lens assembly, for receive sent from the beam-expanding system collect after laser beam, and adjust laser beam from institute
State the shooting angle of lens assembly.
2. Transmission system according to claim 1, which is characterized in that the Transmission system further include:
The lens assembly adjusts the shooting angle of the laser beam according to default swing angle, and will be described adjusted sharp
Light beam is sent to photoelectric sensor；
Photoelectric converter is sent to for receiving the laser beam adjusted, calculates the coordinate of the laser beam adjusted
Information, and the coordinate information is sent to the lens assembly；
The lens assembly is also used to receive the coordinate information that the photoelectric converter is sent, and is believed according to the coordinate
Breath judgement is incident to whether the difference between the laser beam of the photoelectric converter and its optical axis is less than default error threshold；
If it is determined that being more than or equal to the default error threshold, then the coordinate information continues to adjust lens assembly based on the received
The whole shooting angle from the lens assembly shoot laser beam, laser beam and its optical axis until being incident to the photoelectric converter
Between difference be less than default error threshold until.
3. Transmission system according to claim 2, which is characterized in that the Transmission system further include: the first wave plate component,
Polarization spectroscope and spectroscope, wherein
First wave plate component, the laser beam adjusted sent for receiving the lens assembly, and will be after the adjustment
Circularly polarized laser beam be converted to P polarization laser beam, the P polarization laser beam is sent to polarization spectroscope；
The polarization spectroscope, for receiving the P polarization laser beam of conversion, and by the P polarization laser beam transmission to spectroscope；
The spectroscope, for laser beam adjusted to be reflexed to the photoelectric converter.
4. Transmission system according to claim 3, which is characterized in that the Transmission system further include:
Second wave plate component, for receiving the laser beam of the filtered target wave band of the filtering unit, and by the target wave
The laser beam of section is converted to S-polarization laser beam by circularly polarized laser beam, and the S-polarization laser beam is sent to described expand and is
System.
5. Transmission system according to claim 4, which is characterized in that
The polarization spectroscope, after the laser beam after collecting, reflection S-polarization laser beam to the first wave plate group
Part；
The first wave plate component, for S-polarization laser beam to be converted to circularly polarized laser beam, and by the circularly polarized laser beam
It is sent to the lens assembly.
6. Transmission system according to any one of claim 1 to 5, which is characterized in that the target wave band is received for 1064
Rice；
It is described collect after lasing beam diameter be 4 millimeters.
7. Transmission system according to claim 3, which is characterized in that the photoelectric converter is cmos, the lens group
The shooting angle that part adjusts the laser beam that it is received is to pass through Reflective regulation；
Collimation mirror assembly is equipped between the spectroscope and the photoelectric converter, the laser beam that the spectroscope issues passes through institute
It is received after stating collimator assembly collimation by the photoelectric converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276732.8A CN109194403A (en) | 2018-10-30 | 2018-10-30 | A kind of Transmission system of Communication ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276732.8A CN109194403A (en) | 2018-10-30 | 2018-10-30 | A kind of Transmission system of Communication ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109194403A true CN109194403A (en) | 2019-01-11 |
Family
ID=64940650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276732.8A Pending CN109194403A (en) | 2018-10-30 | 2018-10-30 | A kind of Transmission system of Communication ray |
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| CN (1) | CN109194403A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007016537A2 (en) * | 2005-08-02 | 2007-02-08 | Itt Manufacturing Enterprises, Inc. | Communication transceiver architecture |
| US20080267042A1 (en) * | 2007-04-24 | 2008-10-30 | Sanyo Electric Co., Ltd. | Optical pickup device |
| US20110304913A1 (en) * | 2010-06-10 | 2011-12-15 | Hon Hai Precision Industry Co., Ltd. | Light intensifying device with polarization conversion function |
| CN202978948U (en) * | 2012-12-19 | 2013-06-05 | 哈尔滨理工大学 | Dynamic polarization compensation device based on half wave plate rotation |
| 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 |
| CN106788763A (en) * | 2016-12-28 | 2017-05-31 | 辽宁工业大学 | airborne laser communication equipment and its control method |
| CN108306688A (en) * | 2018-02-08 | 2018-07-20 | 南京大学 | Spatial chaos laser communication system based on the anti-mirror in spaceborne angle and method |
-
2018
- 2018-10-30 CN CN201811276732.8A patent/CN109194403A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007016537A2 (en) * | 2005-08-02 | 2007-02-08 | Itt Manufacturing Enterprises, Inc. | Communication transceiver architecture |
| US20080267042A1 (en) * | 2007-04-24 | 2008-10-30 | Sanyo Electric Co., Ltd. | Optical pickup device |
| US20110304913A1 (en) * | 2010-06-10 | 2011-12-15 | Hon Hai Precision Industry Co., Ltd. | Light intensifying device with polarization conversion function |
| CN202978948U (en) * | 2012-12-19 | 2013-06-05 | 哈尔滨理工大学 | Dynamic polarization compensation device based on half wave plate rotation |
| 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 |
| CN106788763A (en) * | 2016-12-28 | 2017-05-31 | 辽宁工业大学 | airborne laser communication equipment and its control method |
| CN108306688A (en) * | 2018-02-08 | 2018-07-20 | 南京大学 | Spatial chaos laser communication system based on the anti-mirror in spaceborne angle and method |
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Application publication date: 20190111 |
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