From x-ray telescopes to neutron focusing

被引：4

作者：

Gubarev, Mikhail V. ^{[1
]}

Khaykovich, Boris ^{[2
]}

Ramsey, Brian ^{[1
]}

Moncton, David ^{[2
]}

Zavlin, Vyacheslav E. ^{[3
]}

Kilaru, Kiranmayee ^{[4
]}

Romaine, Suzanne ^{[5
]}

Rosati, Richard E. ^{[5
]}

Bruni, Ricardo ^{[5
]}

Robertson, Lee ^{[6
]}

Crow, Lowell ^{[6
]}

Ambaye, Haile ^{[7
]}

Lauter, Valeria ^{[7
]}

机构：

[1] NASA, George C Marshall Space Flight Ctr, Space Sci Off, Huntsville, AL 35812 USA

[2] MIT, Nucl Reactor Lab, Cambridge, MA 02139 USA

[3] Univ Space Res Assoc, Huntsville, AL 35805 USA

[4] NASA, Postsoctoral Program Assoc, Huntsville, AL 35805 USA

[5] Havard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[6] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[7] Spallat Neutron Source, Neutron Scattering Sci Div, Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

来源：

OPTICS FOR EUV, X-RAY, AND GAMMA-RAY ASTRONOMY V | 2011年 / 8147卷

关键词：

neutron optics; grazing incidence optics; neutron microscope; OPTICS;

D O I：

10.1117/12.897325

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the case of neutrons the refractive index is slightly less than unity for most elements and their isotopes [1]. Consequently, thermal and cold neutrons can be reflected from smooth surfaces at grazing-incidence angles. Hence, the optical technologies developed for x-ray astronomy can be applied for neutron focusing. The focusing capabilities of grazing incidence neutron imaging optics have been successfully demonstrated using nickel mirrors. The mirrors were fabricated using an electroformed nickel replication process at Marshall Space Flight Center. Results of the neutron optics experiments and current status of the multilayer coating replication technique development are presented.

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页数：8

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