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Inter-satellites X-ray communication system
Mou, Huan; Li, Bao-Quan
Department空间技术部
Source PublicationProceedings of SPIE - The International Society for Optical Engineering
2017
Language英语
ISSN0277786X
AbstractAn inter-satellite X-ray communication system is presented in this paper. X-ray has a strong penetrating power without almost attenuation for transmission in outer space when the energy of X-ray photons is more than 10KeV and the atmospheric pressure is lower than 10-1Pa, so it is convincing of x-ray communication in inter-satellite communication and deep space exploration. Additionally, using X-ray photons as information carriers can be used in some communication applications that laser communication and radio frequency (RF) communication are not available, such as ionization blackout area communication. The inter-satellites X-ray communication system, including the grid modulated X-ray source, the high-sensitivity X-ray detector and the transmitting and receiving antenna, is described explicitly. As the X-ray transmitter, a vacuum-sealed miniature modulated X-ray source has been fabricated via the single-step brazing process in a vacuum furnace. Pulse modulation of X-rays, by means of controlling the voltage value of the grid electrode, is realized. Three focusing electrodes, meanwhile, are used to make the electron beam converge and finally 150μm focusing spot diameter is obtained. The X-ray detector based on silicon avalanche photodiodes (APDs) is chosen as the communication receiver on account of its high temporal resolution and non-vacuum operating environment. Furthermore, considering x-ray emission characteristic and communication distance of X-rays, the multilayer nested rotary parabolic optics is picked out as transmitting and receiving antenna. And as a new concept of the space communication, there will be more important scientific significance and application prospects, called "Next-Generation Communications". © 2017 SPIE.
Conference Name2nd International Conference on Photonics and Optical Engineering
Conference DateOctober 14, 2016
Conference PlaceXi'an, China
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5852
Collection空间技术部
Recommended Citation
GB/T 7714
Mou, Huan,Li, Bao-Quan. Inter-satellites X-ray communication system[C],2017.
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2017102561W.pdf(483KB)会议论文 开放获取CC BY-NC-SAApplication Full Text
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