Low Energy Scanned Electron-Beam Dose Distribution in Thin Layers

W. L. McLaughlin, P. E. Hjortenberg, Walther Batsberg Pedersen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Thin radiochromic dye film dosimeters, calibrated by means of calorimetry, make possible the determination of absorbed-dose distributions due to low-energy scanned electron beam penetrations in moderately thin coatings and laminar media. For electrons of a few hundred keV, calibrated dosimeters of about 30–60 μm thickness may be used in stacks or interleaved between layers of materials of interest and supply a sufficient number of experimental data points throughout the depth of penetration of electrons to provide a depth-dose curve. Depth doses may be resolved in various polymer layers on different backings (wood, aluminum, and iron) for scanned electron beams (Emax = 400 keV) having a broad energy spectrum and diffuse incidence, such as those used in radiation curing of coatings, textiles, plastics, etc. Theoretical calculations of such distributions of energy depositions are relatively difficult to achieve.
    Original languageEnglish
    JournalThe international journal of applied radiation and isotopes
    Volume26
    Issue number3
    Pages (from-to)95-106
    ISSN0020-708X
    DOIs
    Publication statusPublished - 1975

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