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Title: Fabrication and testing of high-performance all-metal neutron guides and axisymmetric mirrors by electrochemical replication

Abstract

Neutron scattering is one of the most useful methods of studying the structure of matter, with applications to biomedical, structural, magnetic and energy-related materials. Neutron-scattering instruments are installed around research reactors or accelerator-based neutron sources, and neutron guides are critical components of these facilities. They are neutron-transport optical devices consisting of state-of-the-art mirrors often tens of meters long. Here we demonstrate a novel fabrication method of all-metallic neutron guides and axisymmetric mirrors by electroplating from precision mandrels. The process allows for the fabrication of single-piece all-metal guides of prismatic and axisymmetric shapes. We also demonstrate supermirror guides and axisymmetric focusing supermirrors produced with the same technology. We present the fabrication and tests of the multilayer-coated replicated guides and optic and show that the mandrel is reproduced with high fidelity and reliability. Such supermirror optics will provide game-changing improvements in neutron techniques.

Authors:
ORCiD logo [1];  [2];  [2];  [2]; ORCiD logo [3];  [3]; ORCiD logo [3];  [4]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Dawn Research, Huntsville, AL (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Dawn Research, Huntsville, AL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Contributing Org.:
Oak Ridge National Laboratory's Spallation Neutron Source
OSTI Identifier:
1630490
Alternate Identifier(s):
OSTI ID: 1774063
Grant/Contract Number:  
AC05-00OR22725; SC0011507
Resource Type:
Accepted Manuscript
Journal Name:
MRS Advances
Additional Journal Information:
Journal Volume: 5; Journal Issue: 29-30; Journal ID: ISSN 2059-8521
Publisher:
Materials Research Society (MRS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 47 OTHER INSTRUMENTATION

Citation Formats

Khaykovich, Boris, Romaine, S., Ames, A., Bruni, R., Ambaye, Haile Arena, Glavic, Arthur, Lauter, Valeria, and Engelhaupt, D. Fabrication and testing of high-performance all-metal neutron guides and axisymmetric mirrors by electrochemical replication. United States: N. p., 2020. Web. doi:10.1557/adv.2020.142.
Khaykovich, Boris, Romaine, S., Ames, A., Bruni, R., Ambaye, Haile Arena, Glavic, Arthur, Lauter, Valeria, & Engelhaupt, D. Fabrication and testing of high-performance all-metal neutron guides and axisymmetric mirrors by electrochemical replication. United States. doi:https://doi.org/10.1557/adv.2020.142
Khaykovich, Boris, Romaine, S., Ames, A., Bruni, R., Ambaye, Haile Arena, Glavic, Arthur, Lauter, Valeria, and Engelhaupt, D. Sun . "Fabrication and testing of high-performance all-metal neutron guides and axisymmetric mirrors by electrochemical replication". United States. doi:https://doi.org/10.1557/adv.2020.142.
@article{osti_1630490,
title = {Fabrication and testing of high-performance all-metal neutron guides and axisymmetric mirrors by electrochemical replication},
author = {Khaykovich, Boris and Romaine, S. and Ames, A. and Bruni, R. and Ambaye, Haile Arena and Glavic, Arthur and Lauter, Valeria and Engelhaupt, D.},
abstractNote = {Neutron scattering is one of the most useful methods of studying the structure of matter, with applications to biomedical, structural, magnetic and energy-related materials. Neutron-scattering instruments are installed around research reactors or accelerator-based neutron sources, and neutron guides are critical components of these facilities. They are neutron-transport optical devices consisting of state-of-the-art mirrors often tens of meters long. Here we demonstrate a novel fabrication method of all-metallic neutron guides and axisymmetric mirrors by electroplating from precision mandrels. The process allows for the fabrication of single-piece all-metal guides of prismatic and axisymmetric shapes. We also demonstrate supermirror guides and axisymmetric focusing supermirrors produced with the same technology. We present the fabrication and tests of the multilayer-coated replicated guides and optic and show that the mandrel is reproduced with high fidelity and reliability. Such supermirror optics will provide game-changing improvements in neutron techniques.},
doi = {10.1557/adv.2020.142},
journal = {MRS Advances},
number = 29-30,
volume = 5,
place = {United States},
year = {2020},
month = {9}
}

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