AbstractThe linear energy transfer (LET) of particles in low Earth orbit (LEO) is extended from ∼0.2 to ∼1000keV/μm water. The best passive dosimeters for radiation measurement are thermoluminescence dosimeters (TLDs) or optically stimulated luminescence dosimeters (OSLDs) for low LET and CR-39 plastic nuclear track detectors (PNTDs) for high LET. Radiation quantities (fluence, absorbed dose, dose equivalent and quality factor) were measured with passive dosimeters composed of TLDs/OSLDs and CR-39 PNTDs for the STS-114 mission. This paper introduces the operation principles for TLDs/OSLDs and CR-39 PNTDs, describes the method to combine the results measured by TLDs/OSLDs and CR-39 PNTDs, and presents the results measured by different dosimeters for different LET bands and that combined for all LET.


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    Title :

    Radiation measured with passive dosimeters in low Earth orbit


    Contributors:
    Zhou, D. (author) / Semones, E. (author) / Gaza, R. (author) / Weyland, M. (author)

    Published in:

    Advances in Space Research ; 40 , 11 ; 1575-1579


    Publication date :

    2006-12-04


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English