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Synchrotron light sources and free-electron lasers

DOI: 10.1007/978-3-319-04507-8 DOI Help

Authors: Eberhard Jaeschke ((Editor)) , Jörg Zegenhagen (Diamond Light Source)
Co-authored by industrial partner: No

Type: Book Chapter

State: Published (Approved)
Published: September 2018

Abstract: The principle of the X-ray standing wave (XSW) technique has been demonstrated in the 1960s by Boris Batterman at Bell Laboratories employing Bragg diffraction. The main concept of the method is that atoms being photoexcited by an interference field (which can be manipulated in space) instead of by a transient wave. In this way structural information can be obtained by X-ray spectroscopic techniques. Practically dormant for almost 20 years, the method became useful and was successfully exploited with the help of synchrotron radiation. It has meanwhile been combined with different scattering techniques, but in its most important and overwhelming number of applications, the XSW technique is combined with spectroscopy tools based on the photoelectric effect. In this way it reaches spatial resolution down to pm while exploiting the full power of X-ray photon or photoelectron spectroscopy. In this short review, we outline the very basic principles and methods of X-ray standing wave formation and illuminate peculiarities of X-ray spectroscopy excited by an X-ray interference field. We present some examples and applications of XSW in physical science research and comment briefly on future perspectives of the XSW technique when employing high-brightness, coherent synchrotron sources and free electron lasers.

Journal Keywords: X-ray; Coherence; Photoelectric effect

Subject Areas: Physics, Technique Development


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