Ultra wide band radar reflectometer for density profile measurement of high temperature plasmas

Yuya Yokota, Atsushi Mase, Hitoshi Hojo, Motoyuki Sato, Tokihiko Tokuzawa, Kazuo Kawahata, Yoshio Nagayama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Reflectometry is considered to be one of the key diagnostics to measure density profiles or density fluctuations of fusion oriented plasmas. The electromagnetic wave launched into the plasma is reflected at the cutoff density layer of the ordinary (0) mode or the extraordinary (X) mode. The plasma density profile can be obtained by taking the phase difference between the incident wave and the reflected wave. The high resolution analysis method called signal record analysis (SRA) is utilized to calculate the phase difference. Since wide frequency band is needed for the reflectometry to measure wide density profiles, an ultrashort pulse which includes wide frequency component is utilized as a resource. Also, it is noted that the remote control system using super science information network (super-SINET) has been introduced to the present reflectometry system.

Original languageEnglish
Title of host publicationProceedings of the 13th Internarional Conference on Ground Penetrating Radar, GPR 2010
DOIs
Publication statusPublished - 2010
Event13th Internarional Conference on Ground Penetrating Radar, GPR 2010 - Lecce, Italy
Duration: 2010 Jun 212010 Jun 25

Publication series

NameProceedings of the 13th Internarional Conference on Ground Penetrating Radar, GPR 2010

Other

Other13th Internarional Conference on Ground Penetrating Radar, GPR 2010
CountryItaly
CityLecce
Period10/6/2110/6/25

Keywords

  • Component
  • Nondestructive radar
  • Plasma diagnostics
  • Rejlectometry

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Communication

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  • Cite this

    Yokota, Y., Mase, A., Hojo, H., Sato, M., Tokuzawa, T., Kawahata, K., & Nagayama, Y. (2010). Ultra wide band radar reflectometer for density profile measurement of high temperature plasmas. In Proceedings of the 13th Internarional Conference on Ground Penetrating Radar, GPR 2010 [5550151] (Proceedings of the 13th Internarional Conference on Ground Penetrating Radar, GPR 2010). https://doi.org/10.1109/ICGPR.2010.5550151