Phase and contrast moiré signatures in two-dimensional cone beam interferometry

被引：0

作者：

Sarenac, D. ^{[1
,2
]}

Gorbet, G. ^{[3
]}

Clark, Charles W. ^{[4
,5
]}

Cory, D. G. ^{[2
,6
]}

Ekinci, H. ^{[2
]}

Henderson, M. E. ^{[2
,3
]}

Huber, M. G. ^{[7
]}

Hussey, D. S. ^{[7
]}

Kapahi, C. ^{[2
,3
]}

Kienzle, P. A. ^{[7
]}

Kim, Y. ^{[5
,7
]}

Long, A. M. ^{[8
]}

Parker, J. D. ^{[9
]}

Shinohara, T. ^{[10
]}

Song, F. ^{[10
]}

Pushin, D. A. ^{[2
,3
]}

机构：

[1] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA

[2] Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada

[3] Univ Waterloo, Dept Phys, Waterloo, ON N2L 3G1, Canada

[4] NIST, Joint Quantum Inst, College Pk, MD 20742 USA

[5] Univ Maryland, College Pk, MD 20742 USA

[6] Univ Waterloo, Dept Chem, Waterloo, ON N2L 3G1, Canada

[7] NIST, Gaithersburg, MD 20899 USA

[8] Los Alamos Natl Lab, Mat Sci & Technol Div, Los Alamos, NM 87545 USA

[9] Comprehens Res Org Sci & Soc CROSS, Neutron Sci & Technol Ctr, 162-1 Shirakata, Tokai, Ibaraki 3191106, Japan

[10] Japan Atom Energy Agcy JAEA, J PARC Ctr, 2-4 Shirakata, Tokai, Ibaraki 3191195, Japan

来源：

PHYSICAL REVIEW RESEARCH | 2024年 / 6卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

NEUTRON;

D O I：

10.1103/PhysRevResearch.6.L032054

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Neutron interferometry has played a distinctive role in fundamental science and characterization of materials. Moir & eacute; neutron interferometers are candidate next-generation instruments: they offer microscopy-like magnification of the signal, enabling direct camera recording of interference patterns across the full neutron wavelength spectrum. Here we demonstrate the extension of phase-grating moir & eacute; interferometry to two-dimensional geometries. Our fork-dislocation phase gratings reveal phase singularities in the moir & eacute; pattern, and we explore orthogonal moir & eacute; patterns with two-dimensional phase gratings. Our measurements of phase topologies and gravitationally induced phase shifts are in good agreement with theory. These techniques can be implemented in existing neutron instruments to advance interferometric analyses of emerging materials and precision measurements of fundamental constants.

引用

页数：8

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