Polarization analysis for magnetic field imaging at RADEN in J-PARC/MLF

被引：11
|
作者：
Shinohara, Takenao [1 ]
Hiroi, Kosuke [1 ]
Su, Yuhua [1 ]
Kai, Tetsuya [1 ]
Nakatani, Takeshi [1 ]
Oikawa, Kenichi [1 ]
Segawa, Mariko [1 ]
Hayashida, Hirotoshi [2 ]
Parker, Joseph D. [2 ]
Matsumoto, Yoshihiro [2 ]
Zhang, Shuoyuan [2 ]
Kiyanagi, Yoshiaki [3 ]
机构：
[1] Japan Atom Energy Agcy, J PARC Ctr, Tokai, Ibaraki 3191195, Japan
[2] Comprehens Res Org Sci & Soc, Tokai, Ibaraki 3191106, Japan
[3] Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648601, Japan
来源：
INTERNATIONAL CONFERENCE ON POLARISED NEUTRONS FOR CONDENSED MATTER INVESTIGATIONS (PNCMI 2016) | 2017年 / 862卷
基金：
日本学术振兴会;
关键词：
NEUTRONS;
D O I：
10.1088/1742-6596/862/1/012025
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Polarized neutron imaging is an attractive method for visualizing magnetic fields in a bulk object or in free space. In this technique polarization of neutrons transmitted through a sample is analyzed position by position to produce an image of the polarization distribution. In particular, the combination of three-dimensional spin analysis and the use of a pulsed neutron beam is very effective for the quantitative evaluation of both field strength and direction by means of the analysis of the wavelength dependent polarization vector. Recently a new imaging instrument "RADEN" has been constructed at the beam line of BL22 of the Materials and Life Science Experimental Facility (MLF) at J-PARC, which is dedicated to energy-resolved neutron imaging experiments. We have designed a polarization analysis apparatus for magnetic field imaging at the RADEN instrument and have evaluated its performance.
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页数：11
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