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Soft X‐rays with orbital angular momentum for resonant scattering experiments at Synchrotron SOLEIL.

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Title: Soft X‐rays with orbital angular momentum for resonant scattering experiments at Synchrotron SOLEIL.
Authors: Carrara, Pietro1 (AUTHOR) pietro.carrara@insp.jussieu.fr, Fortuna, Franck2 (AUTHOR), Delaunay, Renaud3 (AUTHOR), Vila-Comamala, Joan4 (AUTHOR), Rösner, Benedikt4 (AUTHOR), David, Christian4 (AUTHOR), Pizzini, Stefania5 (AUTHOR), Fourniols, Clément6 (AUTHOR), Vila, Laurent6 (AUTHOR), Pancaldi, Matteo7 (AUTHOR), Spezzani, Carlo7 (AUTHOR), Capotondi, Flavio7 (AUTHOR), Nonnon, Pierre8,9 (AUTHOR), Fanciulli, Mauro8,9 (AUTHOR), Ruchon, Thierry9 (AUTHOR), Jaouen, Nicolas10 (AUTHOR), Popescu, Horia10 (AUTHOR) horia.popescu@synchrotron-soleil.fr, Sacchi, Maurizio1,10 (AUTHOR) maurizio.sacchi@synchrotron-soleil.fr
Source: Journal of Synchrotron Radiation. May2026, Vol. 33 Issue 3, p858-869. 12p.
Subjects: Soft X rays, Synchrotrons, Diffractive optical elements, Diffraction gratings, Coherent scattering, X-ray optics
Abstract: The paper presents a comprehensive description of a new setup implemented and commissioned at the SEXTANTS beamline of Synchrotron SOLEIL for absorption and scattering experiments with X‐ray beams carrying an orbital angular momentum, also known as twisted X‐ray beams. Two alternative methods have been implemented, based on the use of either spiral zone plates or fork grating devices, and we show how they can be used for both defining and assessing the orbital angular momentum of an X‐ray beam. We also demonstrate that cascading multiple devices enables integer operations on the orbital angular momentum of the resulting X‐ray beam. Finally, we report the results of the first resonant scattering pilot experiments in transmission and reflection mode, intended to assess the feasibility of future users' measurements. The availability of twisted soft X‐rays complements the range of experimental techniques in elastic, resonant and coherent scattering available at the SEXTANTS beamline. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Synchrotron Radiation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Soft X‐rays with orbital angular momentum for resonant scattering experiments at Synchrotron SOLEIL.
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  Data: <searchLink fieldCode="AR" term="%22Carrara%2C+Pietro%22">Carrara, Pietro</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> pietro.carrara@insp.jussieu.fr</i><br /><searchLink fieldCode="AR" term="%22Fortuna%2C+Franck%22">Fortuna, Franck</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Delaunay%2C+Renaud%22">Delaunay, Renaud</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vila-Comamala%2C+Joan%22">Vila-Comamala, Joan</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rösner%2C+Benedikt%22">Rösner, Benedikt</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22David%2C+Christian%22">David, Christian</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pizzini%2C+Stefania%22">Pizzini, Stefania</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fourniols%2C+Clément%22">Fourniols, Clément</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vila%2C+Laurent%22">Vila, Laurent</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pancaldi%2C+Matteo%22">Pancaldi, Matteo</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Spezzani%2C+Carlo%22">Spezzani, Carlo</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Capotondi%2C+Flavio%22">Capotondi, Flavio</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nonnon%2C+Pierre%22">Nonnon, Pierre</searchLink><relatesTo>8,9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fanciulli%2C+Mauro%22">Fanciulli, Mauro</searchLink><relatesTo>8,9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ruchon%2C+Thierry%22">Ruchon, Thierry</searchLink><relatesTo>9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jaouen%2C+Nicolas%22">Jaouen, Nicolas</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Popescu%2C+Horia%22">Popescu, Horia</searchLink><relatesTo>10</relatesTo> (AUTHOR)<i> horia.popescu@synchrotron-soleil.fr</i><br /><searchLink fieldCode="AR" term="%22Sacchi%2C+Maurizio%22">Sacchi, Maurizio</searchLink><relatesTo>1,10</relatesTo> (AUTHOR)<i> maurizio.sacchi@synchrotron-soleil.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Synchrotron+Radiation%22">Journal of Synchrotron Radiation</searchLink>. May2026, Vol. 33 Issue 3, p858-869. 12p.
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  Label: Abstract
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  Data: The paper presents a comprehensive description of a new setup implemented and commissioned at the SEXTANTS beamline of Synchrotron SOLEIL for absorption and scattering experiments with X‐ray beams carrying an orbital angular momentum, also known as twisted X‐ray beams. Two alternative methods have been implemented, based on the use of either spiral zone plates or fork grating devices, and we show how they can be used for both defining and assessing the orbital angular momentum of an X‐ray beam. We also demonstrate that cascading multiple devices enables integer operations on the orbital angular momentum of the resulting X‐ray beam. Finally, we report the results of the first resonant scattering pilot experiments in transmission and reflection mode, intended to assess the feasibility of future users' measurements. The availability of twisted soft X‐rays complements the range of experimental techniques in elastic, resonant and coherent scattering available at the SEXTANTS beamline. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Synchrotron Radiation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1107/S160057752600322X
    Languages:
      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 858
    Subjects:
      – SubjectFull: Soft X rays
        Type: general
      – SubjectFull: Synchrotrons
        Type: general
      – SubjectFull: Diffractive optical elements
        Type: general
      – SubjectFull: Diffraction gratings
        Type: general
      – SubjectFull: Coherent scattering
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      – SubjectFull: X-ray optics
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      – TitleFull: Soft X‐rays with orbital angular momentum for resonant scattering experiments at Synchrotron SOLEIL.
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              Text: May2026
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