We show a single-shot technique to measure topological and phase properties of radiation carrying orbital angular momentum. The single-shot method is effectively described as the one-dimensional case of a more general two-dimensional approach based on scanning interferometry (asymmetric lateral coherence). The validity of the method has been experimentally verified and the applicability to ultrarelativistic sources of hard x-rays has been discussed. The method is suitable to characterize phase and topological properties of x-ray sources by using simple apertures.
Single-shot measurement of phase and topological properties of orbital angular momentum radiation through asymmetric lateral coherence / B. Paroli, M. Siano, L. Teruzzi, M.A.C. Potenza. - In: PHYSICAL REVIEW. ACCELERATORS AND BEAMS. - ISSN 2469-9888. - 22:3(2019 Mar 27), pp. 032901.1-032901.7. [10.1103/PhysRevAccelBeams.22.032901]
Single-shot measurement of phase and topological properties of orbital angular momentum radiation through asymmetric lateral coherence
B. Paroli
Primo
;M. SianoSecondo
;L. TeruzziPenultimo
;M.A.C. PotenzaUltimo
2019
Abstract
We show a single-shot technique to measure topological and phase properties of radiation carrying orbital angular momentum. The single-shot method is effectively described as the one-dimensional case of a more general two-dimensional approach based on scanning interferometry (asymmetric lateral coherence). The validity of the method has been experimentally verified and the applicability to ultrarelativistic sources of hard x-rays has been discussed. The method is suitable to characterize phase and topological properties of x-ray sources by using simple apertures.File | Dimensione | Formato | |
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PhysRevAccelBeams.22.032901.pdf
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