Physics
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14...61s&link_type=abstract
Advances in Space Research, vol. 14, no. 10, p. 61-65
Physics
Aerospace Environments, Cosmic Ray Albedo, Primary Cosmic Rays, Radiation Dosage, Dosimeters, Electron Energy, Manned Spacecraft, Proton Energy, Thermoluminescence
Scientific paper
We have developed a method to investigate the low-energy radiation environment on the outside of spacecrafts. Thereby, ultra-thin thermoluminescent (TL) detectors on the base of CaF2: Mn-PTFE are arranged in stacks and exposed to the unshielded cosmic radiation. The dose distribution within a stack is determined by successive evaluation of the thin TL sheets. The analysis of LiF thermoluminescent detector glow curves permits conclusions on the dose contribution caused by either low-energy electrons or by protons. The method was applied aboard Russian COSMOS spacecraft's as well as the MIR station. It was shown that along low-earth orbits dose rates up to 10 Gy/day within the first few mg/sq cm are typical, mainly as a result of the electron impact.
Fellinger J.
Hahn Thomas
Hübner Kay
Schmidt Patricia
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