Space Plasma Detectors on NEXTSat-1 for Ionospheric Measurements
J. Korean Phy. Soc. 2018; 72: 1393~1401
Published online June 15, 2018 © 2018 The Korean Physical Society.


1Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
2Satellite Technology Research Center, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
3Korea Astronomy and Space Science Institute, Daejeon 34055, Korea
4School of Space Research, Kyung Hee University, Yongin 17104, Korea
Correspondence to: Junchan Lee
Abstract
The Space Plasma Detector (SPD) was developed and installed on the Next Generation Small Satellite-1 (NEXTsat-1), which is ready to be launched in October 2018. The scientific objective of SPD is to measure the physical properties of thermal electrons and ions of the Earth’s ionosphere to study small-scale structures of plasma irregularities such as plasma bubbles and blobs. The SPD employs conventional designs of a disk-type Langmuir Probe (LP), a Retarding Potential Analyzer (RPA) and an Ion Drift Meter (IDM), but has advanced design such as high temporal resolution, ~10 Hz. Furthermore, it has compact specification in terms of mass, size and power to fit into a microsatellite. 
PACS numbers: 94.05.Rx, 94.80.+g
Keywords: Langmuir Probe, Retarding Potential Analyzer, Ion Drift Meter, Plasma chamber experiment


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