Efficient phase imaging using wavelength-resolved neutron Talbot-Lau interferometry with TOF method

Yoshichika Seki; Takenao Shinohara; Joseph D. Parker; Wakana Ueno; Tetsuo Samoto; Wataru Yashiro; Atsushi Momose; Yoshie Otake; Yoshiaki Kiyanagi

doi:10.1209/0295-5075/123/12002

Efficient phase imaging using wavelength-resolved neutron Talbot-Lau interferometry with TOF method

Yoshichika Seki, Takenao Shinohara, Joseph D. Parker, Wakana Ueno, Tetsuo Samoto, Wataru Yashiro, Atsushi Momose, Yoshie Otake, Yoshiaki Kiyanagi

Division of Measurements

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

For efficient differential-phase-contrast imaging, we have demonstrated the wavelength-resolved neutron Talbot-Lau interferometry with the wavelength resolution of 0.11 Å over a wide wavelength range of 2.5-7.5 Å at RADEN in the J-PARC Materials and Life Science Experimental Facility. The time-of-flight measurement has clearly showed that the visibility of moiré fringes and intensity oscillations of the interferometer varied continuously with the wavelength, and the wavelength dependence of the differential phase of metal samples was measured. Based on the analysis utilizing this wavelength dependence, we achieved both high statistical precision and high accuracy in the differential-phase-contrast imaging, and succeeded in the quantitative evaluation of the optical potentials of metals.

Original language	English
Article number	12002
Journal	EPL
Volume	123
Issue number	1
DOIs	https://doi.org/10.1209/0295-5075/123/12002
Publication status	Published - 2018 Jul

ASJC Scopus subject areas

Physics and Astronomy(all)

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@article{2cfe07c2f6904201a88588e53dd0d131,

title = "Efficient phase imaging using wavelength-resolved neutron Talbot-Lau interferometry with TOF method",

abstract = "For efficient differential-phase-contrast imaging, we have demonstrated the wavelength-resolved neutron Talbot-Lau interferometry with the wavelength resolution of 0.11 {\AA} over a wide wavelength range of 2.5-7.5 {\AA} at RADEN in the J-PARC Materials and Life Science Experimental Facility. The time-of-flight measurement has clearly showed that the visibility of moir{\'e} fringes and intensity oscillations of the interferometer varied continuously with the wavelength, and the wavelength dependence of the differential phase of metal samples was measured. Based on the analysis utilizing this wavelength dependence, we achieved both high statistical precision and high accuracy in the differential-phase-contrast imaging, and succeeded in the quantitative evaluation of the optical potentials of metals.",

author = "Yoshichika Seki and Takenao Shinohara and Parker, {Joseph D.} and Wakana Ueno and Tetsuo Samoto and Wataru Yashiro and Atsushi Momose and Yoshie Otake and Yoshiaki Kiyanagi",

note = "Funding Information: This work was supported by JST ERATO Grant No. JPMJER1403, Japan; and Tohoku University Nanofabrication (MEMS) Platform in Nanotechnology Platform Project sponsored by the Ministry of Education, Culture, Sports, Science and Technology (MEXT).",

year = "2018",

month = jul,

doi = "10.1209/0295-5075/123/12002",

language = "English",

volume = "123",

journal = "EPL",

issn = "0295-5075",

publisher = "IOP Publishing Ltd.",

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T1 - Efficient phase imaging using wavelength-resolved neutron Talbot-Lau interferometry with TOF method

AU - Seki, Yoshichika

AU - Shinohara, Takenao

AU - Parker, Joseph D.

AU - Ueno, Wakana

AU - Samoto, Tetsuo

AU - Yashiro, Wataru

AU - Momose, Atsushi

AU - Otake, Yoshie

AU - Kiyanagi, Yoshiaki

N1 - Funding Information: This work was supported by JST ERATO Grant No. JPMJER1403, Japan; and Tohoku University Nanofabrication (MEMS) Platform in Nanotechnology Platform Project sponsored by the Ministry of Education, Culture, Sports, Science and Technology (MEXT).

PY - 2018/7

Y1 - 2018/7

N2 - For efficient differential-phase-contrast imaging, we have demonstrated the wavelength-resolved neutron Talbot-Lau interferometry with the wavelength resolution of 0.11 Å over a wide wavelength range of 2.5-7.5 Å at RADEN in the J-PARC Materials and Life Science Experimental Facility. The time-of-flight measurement has clearly showed that the visibility of moiré fringes and intensity oscillations of the interferometer varied continuously with the wavelength, and the wavelength dependence of the differential phase of metal samples was measured. Based on the analysis utilizing this wavelength dependence, we achieved both high statistical precision and high accuracy in the differential-phase-contrast imaging, and succeeded in the quantitative evaluation of the optical potentials of metals.

AB - For efficient differential-phase-contrast imaging, we have demonstrated the wavelength-resolved neutron Talbot-Lau interferometry with the wavelength resolution of 0.11 Å over a wide wavelength range of 2.5-7.5 Å at RADEN in the J-PARC Materials and Life Science Experimental Facility. The time-of-flight measurement has clearly showed that the visibility of moiré fringes and intensity oscillations of the interferometer varied continuously with the wavelength, and the wavelength dependence of the differential phase of metal samples was measured. Based on the analysis utilizing this wavelength dependence, we achieved both high statistical precision and high accuracy in the differential-phase-contrast imaging, and succeeded in the quantitative evaluation of the optical potentials of metals.

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