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Magnetic imaging method using pulsed polarized neutrons

偏極パルス中性子を用いた磁気イメージング手法

廣井 孝介  

Hiroi, Kosuke

We have been developing a magnetic imaging technique using pulsed polarized neutrons at the Materials and Life Science Experimental Facility (MLF) of J-PARC. Wavelength-resolved polarization distribution image enable us to visualize magnetic field distributions in free space or within a material. Moreover, the integrated field strength at each position in the image can be quantitatively evaluated by analyzing the wavelength dependence of the polarization degree. We constructed the polarization analysis system for neutron imaging at BL22 RADEN and performed some application studies. In this presentation, we will describe the present status of our polarized neutron imaging method and show some experimental results of recent studies.

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