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Title: Physics of reflective optics for the soft gamma-ray photon energy range

Traditional multilayer reflective optics that have been used in the past for imaging at x-ray photon energies as high as 200 keV are governed by classical wave phenomena. However, their behavior at higher energies is unknown, because of the increasing effect of incoherent scattering and the disagreement between experimental and theoretical optical properties of materials in the hard x-ray and gamma-ray regimes. Here, we demonstrate that multilayer reflective optics can operate efficiently and according to classical wave physics up to photon energies of at least 384 keV. We also use particle transport simulations to quantitatively determine that incoherent scattering takes place in the mirrors but it does not affect the performance at the Bragg angles of operation. Furthermore, our results open up new possibilities of reflective optical designs in a spectral range where only diffractive optics (crystals and lenses) and crystal monochromators have been available until now.
Authors:
 [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [3] ;  [3] ;  [4] ;  [4] ;  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. European Synchrotron Radiation Facility (ESRF), Grenoble (France)
  4. Danish Technical Univ. (DTU)-Space, Kongens Lyngby (Denmark)
Publication Date:
Report Number(s):
LLNL-JRNL-624060
Journal ID: ISSN 0031-9007
Grant/Contract Number:
AC52-07NA27344
Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 111; Journal Issue: 12; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
OSTI Identifier:
1266677
Alternate Identifier(s):
OSTI ID: 1103785

Fernandez-Perea, Monica, Descalle, Marie -Anne, Soufli, Regina, Ziock, Klaus P., Alameda, Jennifer, Baker, Sherry L., McCarville, Tom J., Honkimaki, Veijo, Ziegler, Eric, Jakobsen, Anders C., Christensen, Finn E., and Pivovaroff, Michael J.. Physics of reflective optics for the soft gamma-ray photon energy range. United States: N. p., Web. doi:10.1103/PhysRevLett.111.027404.
Fernandez-Perea, Monica, Descalle, Marie -Anne, Soufli, Regina, Ziock, Klaus P., Alameda, Jennifer, Baker, Sherry L., McCarville, Tom J., Honkimaki, Veijo, Ziegler, Eric, Jakobsen, Anders C., Christensen, Finn E., & Pivovaroff, Michael J.. Physics of reflective optics for the soft gamma-ray photon energy range. United States. doi:10.1103/PhysRevLett.111.027404.
Fernandez-Perea, Monica, Descalle, Marie -Anne, Soufli, Regina, Ziock, Klaus P., Alameda, Jennifer, Baker, Sherry L., McCarville, Tom J., Honkimaki, Veijo, Ziegler, Eric, Jakobsen, Anders C., Christensen, Finn E., and Pivovaroff, Michael J.. 2013. "Physics of reflective optics for the soft gamma-ray photon energy range". United States. doi:10.1103/PhysRevLett.111.027404. https://www.osti.gov/servlets/purl/1266677.
@article{osti_1266677,
title = {Physics of reflective optics for the soft gamma-ray photon energy range},
author = {Fernandez-Perea, Monica and Descalle, Marie -Anne and Soufli, Regina and Ziock, Klaus P. and Alameda, Jennifer and Baker, Sherry L. and McCarville, Tom J. and Honkimaki, Veijo and Ziegler, Eric and Jakobsen, Anders C. and Christensen, Finn E. and Pivovaroff, Michael J.},
abstractNote = {Traditional multilayer reflective optics that have been used in the past for imaging at x-ray photon energies as high as 200 keV are governed by classical wave phenomena. However, their behavior at higher energies is unknown, because of the increasing effect of incoherent scattering and the disagreement between experimental and theoretical optical properties of materials in the hard x-ray and gamma-ray regimes. Here, we demonstrate that multilayer reflective optics can operate efficiently and according to classical wave physics up to photon energies of at least 384 keV. We also use particle transport simulations to quantitatively determine that incoherent scattering takes place in the mirrors but it does not affect the performance at the Bragg angles of operation. Furthermore, our results open up new possibilities of reflective optical designs in a spectral range where only diffractive optics (crystals and lenses) and crystal monochromators have been available until now.},
doi = {10.1103/PhysRevLett.111.027404},
journal = {Physical Review Letters},
number = 12,
volume = 111,
place = {United States},
year = {2013},
month = {7}
}