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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2782–2785

Tunable two-color hard x-ray multilayer Bragg mirrors

S. Roling, S. Braun, P. Gawlitza, M. Wöstmann, E. Ziegler, and H. Zacharias  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2782-2785 (2014)
http://dx.doi.org/10.1364/OL.39.002782


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Abstract

A tunable two-color multilayer Bragg coating capable of simultaneously reflecting the fundamental and the third harmonic of an x-ray free-electron laser at the same angle and with high reflectance R>0.70 is presented. The novel coating will enable two-color x-ray pump/x-ray probe experiments. This mirror consists of a Si substrate that is coated with two different types of multilayer systems, Mo/B4C layers with a periodicity of d=3.2nm directly on the substrate and Ni/B4C layers with a periodicity of d=11.85nm on top. Fundamental radiation with photon energies between 3 and 9 keV is reflected by a Ni/B4C multilayer system while the third harmonic (9keV<hν<27keV) passes this system and is reflected by the Mo/B4C multilayers. The principle has successfully been proven at the beamline BM05 at ESRF.

© 2014 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(230.4170) Optical devices : Multilayers
(340.0340) X-ray optics : X-ray optics
(310.4165) Thin films : Multilayer design

ToC Category:
Optical Devices

History
Original Manuscript: March 5, 2014
Manuscript Accepted: March 28, 2014
Published: April 30, 2014

Citation
S. Roling, S. Braun, P. Gawlitza, M. Wöstmann, E. Ziegler, and H. Zacharias, "Tunable two-color hard x-ray multilayer Bragg mirrors," Opt. Lett. 39, 2782-2785 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2782

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