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.

引用

页数：11

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