Characterization of Teledyne microdosimeters for space weather applications

Chadwick D. Lindstrom; James D. Sullivan; Bronislaw K. Dichter; Frederick A. Hanser; Douglas Carssow; Gary E. Galica

doi:10.1117/12.893814

29 September 2011 Characterization of Teledyne microdosimeters for space weather applications

Chadwick D. Lindstrom, James D. Sullivan, Bronislaw K. Dichter, Frederick A. Hanser, Douglas Carssow, Gary E. Galica

Proceedings Volume 8148, Solar Physics and Space Weather Instrumentation IV; 814806 (2011) https://doi.org/10.1117/12.893814
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

The Teledyne microdosimeter is a novel miniature dosimeter that has become recently available to satellite manufacturers and programs to provide awareness of the total radiation dose received by the satellite and its associated subsystems. A characterization of the response of the dosimeter to protons of energies from 30 - 200 MeV as a function of angle, energy and dose rate is presented in this paper. In addition, the response of the dosimeter to a simulated Solar proton event with several different levels of shielding has been measured. These results show that the dosimeter response is relatively uniform over a wide range of conditions for protons. Monte Carlo modeling of the dosimeter for isotropic particle fluxes (both electrons and protons) has also been accomplished. It is shown that a simplified model is appropriate in determining the response of the dosimeter when using it to design low cost, simple instruments for space weather and situational awareness applications.

Citation Download Citation

Chadwick D. Lindstrom, James D. Sullivan, Bronislaw K. Dichter, Frederick A. Hanser, Douglas Carssow, and Gary E. Galica "Characterization of Teledyne microdosimeters for space weather applications", Proc. SPIE 8148, Solar Physics and Space Weather Instrumentation IV, 814806 (29 September 2011); https://doi.org/10.1117/12.893814

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