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Test of Langmuir probes developed for the CubeSat LINK

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Abstract

We develop Langmuir probes with different gains to measure the electron density in the lower ionosphere and thermosphere at altitudes of 200 − 380 km on board a CubeSat. These probes sweep over a wide range of voltage, but the data are acquired mostly in the electron saturation region, from which the electron density is calculated. The frequency of the voltage sweep is set at a high level (10 Hz) to reduce the effect of probe contamination. The probes are tested and calibrated in a laboratory chamber that simulates plasma densities similar to those of the lower ionosphere. We report here the measurement principles, system architecture, and test results.

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Authors and Affiliations

  1. Department of Physics, Ewha Womans University, Seoul, 03760, Korea

    Go Woon Na & Jongmann Yang

  2. Satellite Technology Research Center, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Korea

    Kwangsun Ryu

  3. Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Korea

    Jun Chan Lee & Kyoung Wook Min

Authors
  1. Go Woon Na
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  2. Jongmann Yang
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  3. Kwangsun Ryu
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  4. Jun Chan Lee
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  5. Kyoung Wook Min
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Correspondence to Go Woon Na.

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Na, G.W., Yang, J., Ryu, K. et al. Test of Langmuir probes developed for the CubeSat LINK. Journal of the Korean Physical Society 68, 482–485 (2016). https://doi.org/10.3938/jkps.68.482

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  • DOI: https://doi.org/10.3938/jkps.68.482

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