Development of an automated multisample scanning system for nuclear track etched detectors

H. Tawara, K. Eda, K. Takahashi, T. Doke, Nobuyuki Hasebe, S. Kodaira, S. Ota, M. Kurano, N. Yasuda

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    We have developed an automated scanning system for handling a large number of nuclear track etched detectors (NTEDs). The system consists of a magazine station for sample storage, a robotic sample loader, a high-speed wide-area digital imaging microscope device (modified HSP-1000) and PitFit software for analyzing etch pits. We investigated the performance of the system using CR-39 plastic NTED samples exposed to high-energy heavy ions and fast neutrons. When applying the system to fast neutron dosimetry, the typical scanning speed was about 100 samples/day with a scan area of 4 cm2/sample. The neutron doses obtained from a fully automatic measurement agreed closely with those from a semi-automatic measurement. These results indicate the feasibility of fully automatic scanning of CR-39 personal neutron dosimeters. The system is also expected to be applicable to future large-scale experiments using CR-39 plastic and BP-1 glass NTEDs for observing ultraheavy galactic cosmic rays with high mass resolution.

    Original languageEnglish
    Pages (from-to)475-480
    Number of pages6
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume593
    Issue number3
    DOIs
    Publication statusPublished - 2008 Aug 11

    Fingerprint

    Neutrons
    Detectors
    Scanning
    scanning
    detectors
    fast neutrons
    neutrons
    dosimeters
    Plastics
    plastics
    Loaders
    Dosimeters
    Cosmic rays
    Heavy ions
    Dosimetry
    Robotics
    robotics
    Microscopes
    heavy ions
    Imaging techniques

    Keywords

    • CR-39
    • Etch pit
    • Neutron dosimetry
    • Nuclear track etched detector
    • Robotic sample loader
    • Scanning system

    ASJC Scopus subject areas

    • Instrumentation
    • Nuclear and High Energy Physics

    Cite this

    Development of an automated multisample scanning system for nuclear track etched detectors. / Tawara, H.; Eda, K.; Takahashi, K.; Doke, T.; Hasebe, Nobuyuki; Kodaira, S.; Ota, S.; Kurano, M.; Yasuda, N.

    In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 593, No. 3, 11.08.2008, p. 475-480.

    Research output: Contribution to journalArticle

    Tawara, H. ; Eda, K. ; Takahashi, K. ; Doke, T. ; Hasebe, Nobuyuki ; Kodaira, S. ; Ota, S. ; Kurano, M. ; Yasuda, N. / Development of an automated multisample scanning system for nuclear track etched detectors. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2008 ; Vol. 593, No. 3. pp. 475-480.
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