Stroboscopic detection of nuclear resonance in an arbitrary scattering channel

Deák, L.; Bottyán, L.; Callens, Riet; Coussement, R.; Major, M.; Nasu, Saburo; Serdons, Inge; Spiering, H.; Yoda, Yoshitaka

doi:10.1107/s1600577514026344

Cited by 1 publication

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References 38 publications

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“…On the other side, the involved frequencies of X-ray photons mean oscillations in the attosecond range so phase information can be extracted only via some kind of interferometric method, like done in X-ray holography 19 . For nuclear resonant scattering, an available method, essentially a variant of LLL (triple Laue) interferometry 20 , is the stroboscopic technique 21 22 , where – either built in the detection or as a signal post-processing – a window function of a train of enabling–disabling intervals is applied.…”

Section: Reciprocity Violation: a Way To Make It Visiblementioning

confidence: 99%

Realizing total reciprocity violation in the phase for photon scattering

Deák

Bottyán

Fülöp

et al. 2017

Sci Rep

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Reciprocity is when wave or quantum scattering satisfies a symmetry property, connecting a scattering process with the reversed one. While reciprocity involves the interchange of source and detector, it is fundamentally different from rotational invariance, and is a generalization of time reversal invariance, occurring in absorptive media as well. Due to its presence at diverse areas of physics, it admits a wide variety of applications. For polarization dependent scatterings, reciprocity is often violated, but violation in the phase of the scattering amplitude is much harder to experimentally observe than violation in magnitude. Enabled by the advantageous properties of nuclear resonance scattering of synchrotron radiation, we have measured maximal, i.e., 180-degree, reciprocity violation in the phase. For accessing phase information, we introduced a new version of stroboscopic detection. The scattering setting was devised based on a generalized reciprocity theorem that opens the way to construct new types of reciprocity related devices.

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