CN103856264A - Extreme ultraviolet-ray space remote communication system - Google Patents
Extreme ultraviolet-ray space remote communication system Download PDFInfo
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- CN103856264A CN103856264A CN201410108217.4A CN201410108217A CN103856264A CN 103856264 A CN103856264 A CN 103856264A CN 201410108217 A CN201410108217 A CN 201410108217A CN 103856264 A CN103856264 A CN 103856264A
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Abstract
The invention relates to an extreme ultraviolet-ray space remote communication system. The extreme ultraviolet-ray space remote communication system comprises an extreme ultraviolet pulse generation modulator, an extreme ultraviolet collimator, an extreme ultraviolet focuser and an extreme ultraviolet detection demodulator; the extreme ultraviolet pulse generation modulator is arranged on the focal point of the extreme collimator and used for modulating a to-be-transmitted digital signal, and the signal is output in an extreme pulse signal form; the modulated extreme pulse signal is transmitted in an orientation manner after being collimated by the extreme ultraviolet collimator; the extreme ultraviolet focuser is used for receiving the extreme ultraviolet pulse signal and focusing the extreme ultraviolet pulse signal, and the extreme ultraviolet detection demodulator which is arranged on the focal point of the extreme ultraviolet focuser is used for demodulating the extreme ultraviolet pulse signal to obtain the to-be-transmitted digital signal.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of extreme ultraviolet ray space telecommunication system for intersatellite communication.
Background technology
At present, the research application of radio communication has been contained radio wave, microwave to electromagnetic wave scopes such as infrared, visible ray, ultraviolets, under the drive of x ray astronomy observation requirements, the U.S. is carrying out with China the conceptual approach that X ray is communicated by letter, but the communication of extreme ultraviolet ray does not also have relevant report in the world.
Extreme ultraviolet ray, as the shorter electromagnetic wave of wavelength, can transmit equally under space or vacuum state, and undamped, so utilize in theory extreme ultraviolet ray can realize equally radio communication as information carrier.Compared with other electromagnetic communication such as microwave, laser, extreme ultraviolet ray has good directionality, long transmission distance, strong security, is not subject to the advantages such as space environment electromagnetic interference.Compare X ray communication, extreme ultraviolet beam wavelength is grown (10-200nm), and energy is lower, more easily realizes highly collimation and large area reception, is more conducive to space long-distance transmissions, and the technology that has also reduced system realizes difficulty.
Summary of the invention
The object of the invention is to overcome the defect that lacks the communication system based on extreme ultraviolet ray in prior art, thereby a kind of space telecommunication system based on extreme ultraviolet ray is provided.
To achieve these goals, the invention provides a kind of extreme ultraviolet ray space telecommunication system, comprising: extreme ultraviolet pulse produces modulator 1, extreme ultraviolet collimater 2, extreme ultraviolet focalizer 3 and extreme ultraviolet and surveys demodulator 4; Wherein,
Described extreme ultraviolet pulse produces modulator 1 and is positioned in the focus of described extreme ultraviolet collimater 2, and its digital signal to need transmission is modulated, with the formal output of extreme ultraviolet pulse signal; Extreme ultraviolet pulse signal after modulation collimates backward spatial orientation transmitting through described extreme ultraviolet collimater 2; Described extreme ultraviolet focalizer 3 receiving pole ultraviolet pulse signals also do focusing operation to it, and the extreme ultraviolet being positioned in described extreme ultraviolet focalizer 3 focuses is surveyed demodulator 4 demodulation extreme ultraviolet pulse signals, obtains the digital signal that will transmit;
The wave-length coverage of described extreme ultraviolet ray is between 10nm-200nm.
In technique scheme, described extreme ultraviolet pulse produces modulator 1 and adopts any one realization in LASER Light Source, PENNING light source, hollow-cathode tube.
In technique scheme, described extreme ultraviolet collimater 2 adopts off axis paraboloidal mirror or Cassegrain telescope structure to realize; Wherein, the minute surface of described off axis paraboloidal mirror or Cassegrain telescope structure is coated with the interference multilayer film for repellel ultraviolet rays.
In technique scheme, described extreme ultraviolet focalizer 3 adopts off axis paraboloidal mirror or Cassegrain telescope structure to realize; Wherein, the minute surface of described off axis paraboloidal mirror or Cassegrain telescope structure is coated with the interference multilayer film for repellel ultraviolet rays.
In technique scheme, described extreme ultraviolet is surveyed demodulator 4 and is adopted extreme ultraviolet radiation-sensitive and the detector that can realize single photon detection are realized.
In technique scheme, described extreme ultraviolet is surveyed demodulator 4 and is adopted any one realization in micro-channel plate detector or silicon drifting detector or avalanche photodetector or scintillation detector or CEM.
The invention has the advantages that:
The communication band of the extreme ultraviolet ray space telecommunication system that 1, the present invention proposes adopts extreme ultraviolet waveband, transmits undampedly under vacuum state, and Rayleigh range is short, and good directionality, is conducive to long-distance transmissions.
The communication band of the extreme ultraviolet ray space telecommunication system that 2, the present invention proposes adopts extreme ultraviolet waveband, and photon energy is higher, is not subject to the impact of electromagnetic interference.
3, the extreme ultraviolet ray space telecommunication system that the present invention proposes adopts off axis paraboloidal mirror or Cassegrain's telescope configuration in the time of collimation, easily realize highly collimation, can the in the situation that of low merit transmitting power, realize long-distance transmissions, the technology that has also reduced communication system realizes difficulty.
4, the extreme ultraviolet ray space telecommunication system that the present invention proposes adopts off axis paraboloidal mirror or Cassegrain's telescope in the time focusing on, and the large area that is conducive to communication terminal extreme ultraviolet photon receives, and strengthens signal strength signal intensity, reduces the communication error rate.
5, the extreme ultraviolet ray space telecommunication system that the present invention proposes can be selected MCP detector, SDD detector, APD detector, CEM, scintillation detector etc. at solution timing, these detectors can be surveyed extreme ultraviolet ray single photon, are conducive to strengthen the sensitivity of communication system.
Accompanying drawing explanation
Fig. 1 is the structural representation of extreme ultraviolet ray of the present invention space telecommunication system.
Drawing explanation
1 extreme ultraviolet pulse produces modulator 2 extreme ultraviolet collimaters
3 extreme ultraviolet focalizer 4 extreme ultraviolets are surveyed demodulator
Embodiment
Now the invention will be further described by reference to the accompanying drawings.
In the application, related extreme ultraviolet ray refers to the ray of wave-length coverage at 10nm-200nm.
With reference to figure 1, extreme ultraviolet ray of the present invention space telecommunication system comprises: extreme ultraviolet pulse produces modulator 1, extreme ultraviolet collimater 2, extreme ultraviolet focalizer 3 and extreme ultraviolet and surveys demodulator 4; Wherein, described extreme ultraviolet pulse produces modulator 1 and is positioned in the focus of described extreme ultraviolet collimater 2, its digital signal to need transmission is modulated, and with the formal output of extreme ultraviolet pulse signal, the extreme ultraviolet pulse signal after modulation collimates backward spatial orientation transmitting through extreme ultraviolet collimater 2; Extreme ultraviolet focalizer 3 receiving pole ultraviolet pulse signals also do focusing operation to it, the extreme ultraviolet being positioned in extreme ultraviolet focalizer 3 focuses is surveyed demodulator 4 demodulation extreme ultraviolet pulse signals, obtain the digital signal that will transmit, thereby realize the space telecommunication based on extreme ultraviolet ray.
Below the various piece in this extreme ultraviolet ray space telecommunication system is described further.
Extreme ultraviolet pulse produces modulator 1 can adopt any one realization in LASER Light Source, PENNING light source, hollow-cathode tube, also can adopt the modulator that can produce extreme ultraviolet pulse of other types.
Described extreme ultraviolet collimater 2 adopts off axis paraboloidal mirror or Cassegrain telescope structure to realize.Wherein, the minute surface of described off axis paraboloidal mirror or Cassegrain telescope structure adopts plating to interfere the mode of multilayer film to realize the reflection to extreme ultraviolet ray.
Described extreme ultraviolet focalizer 3 adopts off axis paraboloidal mirror or Cassegrain telescope structure to realize.Wherein, the minute surface of described off axis paraboloidal mirror or Cassegrain telescope structure adopts plating to interfere the mode of multilayer film to realize the reflection to extreme ultraviolet ray.
Described extreme ultraviolet is surveyed demodulator 4 and is adopted any one realization in micro-channel plate detector (MCP) or silicon drifting detector (SDD) or avalanche photodetector (APD) or scintillation detector or CEM (CEM).These detectors have extreme ultraviolet radiation-sensitive and can realize the function of single photon detection.
The course of work of extreme ultraviolet ray of the present invention space telecommunication system is:
In the time being " 1 " in the digital signal of needs communication, extreme ultraviolet pulse produces modulator 1 output stage ultraviolet pulse, if while being " 0 " in the digital signal that needs to communicate by letter, extreme ultraviolet pulse produces modulator 1 and weakens the extreme ultraviolet pulse of output or export without extreme ultraviolet; Extreme ultraviolet pulse ray becomes the extreme ultraviolet directional light that divergence is microradian after extreme ultraviolet collimater 2 collimations, this directional light is launched to spatial orientation, the extreme ultraviolet focalizer 3 receiving pole ultraviolet pulses of communication terminal also focus in focus, the extreme ultraviolet detection demodulator 4 being positioned in focus converts the light signal of extreme ultraviolet ray to pulse electrical signal, demodulation is with the pulse of modulation intelligence extreme ultraviolet, thus the space telecommunication of realization based on extreme ultraviolet ray.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. an extreme ultraviolet ray space telecommunication system, is characterized in that, comprising: extreme ultraviolet pulse produces modulator (1), extreme ultraviolet collimater (2), extreme ultraviolet focalizer (3) and extreme ultraviolet and surveys demodulator (4); Wherein,
Described extreme ultraviolet pulse produces modulator (1) and is positioned in the focus of described extreme ultraviolet collimater (2), and its digital signal to need transmission is modulated, with the formal output of extreme ultraviolet pulse signal; Extreme ultraviolet pulse signal after modulation collimates backward spatial orientation transmitting through described extreme ultraviolet collimater (2); Described extreme ultraviolet focalizer (3) receiving pole ultraviolet pulse signal also does focusing operation to it, and the extreme ultraviolet being positioned in described extreme ultraviolet focalizer (3) focus is surveyed demodulator (4) demodulation extreme ultraviolet pulse signal, obtains the digital signal that will transmit;
The wave-length coverage of described extreme ultraviolet ray is between 10nm-200nm.
2. extreme ultraviolet ray according to claim 1 space telecommunication system, is characterized in that, described extreme ultraviolet pulse produces modulator (1) and adopts any one realization in LASER Light Source, PENNING light source, hollow-cathode tube.
3. extreme ultraviolet ray according to claim 1 space telecommunication system, is characterized in that, described extreme ultraviolet collimater (2) adopts off axis paraboloidal mirror or Cassegrain telescope structure to realize; Wherein, the minute surface of described off axis paraboloidal mirror or Cassegrain telescope structure is coated with the interference multilayer film for repellel ultraviolet rays.
4. extreme ultraviolet ray according to claim 1 space telecommunication system, is characterized in that, described extreme ultraviolet focalizer (3) adopts off axis paraboloidal mirror or Cassegrain telescope structure to realize; Wherein, the minute surface of described off axis paraboloidal mirror or Cassegrain telescope structure is coated with the interference multilayer film for repellel ultraviolet rays.
5. extreme ultraviolet ray according to claim 1 space telecommunication system, is characterized in that, described extreme ultraviolet is surveyed demodulator (4) and adopted extreme ultraviolet radiation-sensitive and the detector that can realize single photon detection are realized.
6. extreme ultraviolet ray according to claim 5 space telecommunication system, it is characterized in that, described extreme ultraviolet is surveyed demodulator (4) and is adopted any one realization in micro-channel plate detector or silicon drifting detector or avalanche photodetector or scintillation detector or CEM.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410108217.4A CN103856264A (en) | 2014-03-21 | 2014-03-21 | Extreme ultraviolet-ray space remote communication system |
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| CN201410108217.4A CN103856264A (en) | 2014-03-21 | 2014-03-21 | Extreme ultraviolet-ray space remote communication system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079349A (en) * | 2014-07-03 | 2014-10-01 | 中国船舶重工集团公司第七一七研究所 | Ultraviolet light communication optical system |
| CN106525028A (en) * | 2016-10-28 | 2017-03-22 | 北京控制工程研究所 | Silicon drifting detector processing circuit for X-ray pulsar navigation sensor |
| CN106641813A (en) * | 2015-11-02 | 2017-05-10 | 北京振兴计量测试研究所 | Vacuum ultraviolet light tube illumination device |
| CN111257232A (en) * | 2020-03-19 | 2020-06-09 | 中国科学院长春光学精密机械与物理研究所 | Carbon pollution experimental device for multilayer film optical element for efficiently collecting EUV light |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200973093Y (en) * | 2006-09-20 | 2007-11-07 | 中国科学院上海光学精密机械研究所 | Ultraviolet light communication system |
| US20090059197A1 (en) * | 2007-08-28 | 2009-03-05 | Dong-Seok Nam | Exposure apparatus and method of exposing a semiconductor substrate |
| CN102904637A (en) * | 2012-09-28 | 2013-01-30 | 北京邮电大学 | Space optical communication method and system based on ultraviolet light transmission |
| CN103077874A (en) * | 2011-10-25 | 2013-05-01 | 中国科学院西安光学精密机械研究所 | Grid-controlled X-ray source, space X-ray communication system and method |
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2014
- 2014-03-21 CN CN201410108217.4A patent/CN103856264A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200973093Y (en) * | 2006-09-20 | 2007-11-07 | 中国科学院上海光学精密机械研究所 | Ultraviolet light communication system |
| US20090059197A1 (en) * | 2007-08-28 | 2009-03-05 | Dong-Seok Nam | Exposure apparatus and method of exposing a semiconductor substrate |
| CN103077874A (en) * | 2011-10-25 | 2013-05-01 | 中国科学院西安光学精密机械研究所 | Grid-controlled X-ray source, space X-ray communication system and method |
| CN102904637A (en) * | 2012-09-28 | 2013-01-30 | 北京邮电大学 | Space optical communication method and system based on ultraviolet light transmission |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079349A (en) * | 2014-07-03 | 2014-10-01 | 中国船舶重工集团公司第七一七研究所 | Ultraviolet light communication optical system |
| CN106641813A (en) * | 2015-11-02 | 2017-05-10 | 北京振兴计量测试研究所 | Vacuum ultraviolet light tube illumination device |
| CN106641813B (en) * | 2015-11-02 | 2018-07-17 | 北京振兴计量测试研究所 | Vacuum ultraviolet light pipe lighting device |
| CN106525028A (en) * | 2016-10-28 | 2017-03-22 | 北京控制工程研究所 | Silicon drifting detector processing circuit for X-ray pulsar navigation sensor |
| CN106525028B (en) * | 2016-10-28 | 2019-05-24 | 北京控制工程研究所 | Silicon drifting detector (SDD) processing circuit for X-ray pulsar navigation sensor |
| CN111257232A (en) * | 2020-03-19 | 2020-06-09 | 中国科学院长春光学精密机械与物理研究所 | Carbon pollution experimental device for multilayer film optical element for efficiently collecting EUV light |
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Application publication date: 20140611 |