Imaging and Measuring Electron Beam Dose Distributions Using Holographic Interferometry

Arne Miller, W. L. McLaughlin

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Holographic interferometry was used to image and measure ionizing radiation depth-dose and isodose distributions in transparent liquids. Both broad and narrowly collimated electron beams from accelerators (2–10 MeV) provided short irradiation times of 30 ns to 0.6 s. Holographic images and measurements of absorbed dose distributions were achieved in liquids of various densities and thermal properties and in water layers thinner than the electron range and with backings of materials of various densities and atomic numbers. The lowest detectable dose in some liquids was of the order of a few kRad. The precision limits of the measurement of dose were found to be ±4%. The procedure was simple and the holographic equipment stable and compact, thus allowing experimentation under routine laboratory conditions and limited space.
    Original languageEnglish
    JournalNUCLEAR INSTRUMENTS & METHODS
    Volume128
    Issue number2
    Pages (from-to)337-346
    ISSN0029-554X
    DOIs
    Publication statusPublished - 1975

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