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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kuwahara, T. Yoshida, K. Sakamoto, Y. Tomioka, Y. Fukuda, K. Fukuyama, M. Sugimura, N. Kunimori, H. Takenaka, H. Toyoshima, M. Fuse, T. Kubooka, T. |
| Copyright Year | 2012 |
| Description | Author affiliation: The Department of Aerospace Engineering, Graduate School of Engineering, Tohoku University, Sendai, 980-8579 JAPAN (Kuwahara, T.; Yoshida, K.; Sakamoto, Y.; Tomioka, Y.; Fukuda, K.; Fukuyama, M.; Sugimura, N.) || National Institute of Information and Communications Technology (NICT), Tokyo, Japan (Kunimori, H.; Takenaka, H.; Toyoshima, M.; Fuse, T.; Kubooka, T.) |
| Abstract | Within the scope of a Japanese FIRST (Funding Program for World-Leading Innovative R&D on Science and Technology) program led by Professor Nakasuka of University of Tokyo, Tohoku University is developing a 50kg-class international scientific microsatellite named RISESAT. In addition to various scientific instruments, RISESAT is also equipped with a laser communication terminal VSOTA, developed by Japanese National Institute of Information and Communications Technology (NICT). Tohoku University and NICT are now developing the engineering model of the satellite and undertaking its ground tests. VSOTA has two different wavelengths of laser outputs in 980 nm and 1540nm. The collimators for these are fixed with the satellite structure pointing toward the Earth direction. RISESAT aims to control the direction of the laser beams being precisely pointed toward the NICT's optical ground station with a pointing accuracy of better than 0.4 deg (3σ) during the fly-by. RISESAT can send actual scientific data obtained by payload instruments through this optical communication link. This will be the world first demonstration of microsatellite-to-ground optical downlink. This will bring innovation to misrosatellite's system engineering, utilization, and communication network. This paper describes the detailed specification, system design strategy, and real-life implementation of laser communication system on the micro-satellite RISESAT. |
| Starting Page | 939 |
| Ending Page | 944 |
| File Size | 1250945 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467314961 |
| e-ISBN | 9781467314978 |
| DOI | 10.1109/SII.2012.6427336 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-12-16 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Satellites Attitude control Instruments Educational institutions Downlink Optical fiber communication Payloads |
| Content Type | Text |
| Resource Type | Article |
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