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An X-ray frequency modulation method and its application in X-ray communication
Su, Tong1,2; Tang, Liangyu3; Li, Yao1,2; Sheng, Lizhi1; Zhao, Baosheng1
Source PublicationOptik
Contribution Rank1
AbstractX-ray communication (XCOM) is a novel space communication method with great potential. X-rays have much shorter wavelengths than both infrared and radio. In principle, XCOM can send more data for the same amount of transmission power, which could permit more efficient gigabits-per-second data rates for deep space missions. Besides, X-rays can pierce the hot plasma sheath that builds up as spacecraft hurdle through Earth's atmosphere at hypersonic speeds. However, some current technical limitations have made X-ray communication unable to fully release its theoretical advantages in space communications. Among them, the modulation of X-ray emission impacts significantly. For the requirements of high-flux, collimation, quasi-monochromatic X-ray emissions, as well as the exploration of X-ray frequency modulation, we propose an X-ray frequency modulation method for generating different energy X-rays by controlling the electron beam deflection based on an external electrostatic field. Different from all traditional on-off control methods, this scheme uses two specific X-ray energies indicate the digital signal 0 and 1, which makes X-ray frequency modulation possible. Based on this, we simulated the emission flux and energy distribution of two different targets. Simulation results indicate that this X-ray modulation method produce X-rays with up to 50 GHz modulation frequency, 1014 cps X-ray emission flux, 99% monochrome, and 1.5 mrad divergence angle. Through this modulator, not only the communication distance and communication speed experience significant increases, but also the concept of X-ray communication, X-ray ranging and X-ray navigation can be realized as a three-in-one mission. © 2019 Elsevier GmbH
KeywordX-ray communication X-ray modulation X-ray optics
Indexed ByEI
PublisherElsevier GmbH
EI Accession Number20193807444482
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Document Type期刊论文
Corresponding AuthorSu, Tong
Affiliation1.State key Laboratory of Transient optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Xi'an Municipal Maintenance Management Company, Xi'an; 710000, China
Recommended Citation
GB/T 7714
Su, Tong,Tang, Liangyu,Li, Yao,et al. An X-ray frequency modulation method and its application in X-ray communication[J]. Optik,2019,199.
APA Su, Tong,Tang, Liangyu,Li, Yao,Sheng, Lizhi,&Zhao, Baosheng.(2019).An X-ray frequency modulation method and its application in X-ray communication.Optik,199.
MLA Su, Tong,et al."An X-ray frequency modulation method and its application in X-ray communication".Optik 199(2019).
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