Issue |
Europhys. Lett.
Volume 66, Number 4, May 2004
|
|
---|---|---|
Page(s) | 506 - 512 | |
Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
DOI | https://doi.org/10.1209/epl/i2003-10235-7 | |
Published online | 01 May 2004 |
Exo-interferometric phase determination in nuclear resonant scattering
Advanced Photon Source, Argonne National Laboratory - Argonne, IL 60439, USA
Corresponding author: sturhahn@anl.gov
Received:
6
October
2003
Accepted:
17
March
2004
The time-dependent phase change of X-rays after transmission
through a sample has been determined experimentally. We used an
X-ray interferometer with a reference sample containing sharp
nuclear resonances to prepare a phase-controlled X-ray beam. A
sample with similar resonances was placed in the beam but outside
of the interferometer; hence our use of the term
“exo-interferometric”. We show that the phase change of the X-rays due to the sample can be uniquely determined from the
time-dependent transmitted intensities. The energy response of
the sample was reconstructed from the phase and the intensity
data with a resolution of 23.
PACS: 42.87.Bg – Phase shifting interferometry / 76.80.+y – Mössbauer effect; other γ-ray spectroscopy / 78.70.Ck – X-ray scattering
© EDP Sciences, 2004
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