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A fast and lightweight tool for partially coherent beamline simulations in fourth-generation storage rings based on coherent mode decomposition.

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Title: A fast and lightweight tool for partially coherent beamline simulations in fourth-generation storage rings based on coherent mode decomposition.
Authors: Sanchez del Rio, Manuel1 srio@esrf.eu, Celestre, Rafael1, Reyes-Herrera, Juan1, Brumund, Philipp1, Cammarata, Marco1
Source: Journal of Synchrotron Radiation. Nov2022, Vol. 29 Issue 6, p1354-1367. 14p.
Subjects: Storage rings, Undulator radiation, Geometrical optics, Optics
Abstract: A new algorithm to perform coherent mode decomposition of undulator radiation is proposed. It is based on separating the horizontal and vertical directions, reducing the problem by working with one-dimension wavefronts. The validity conditions of this approximation are discussed. Simulations require low computer resources and run interactively on a laptop. The focusing with lenses of the radiation emitted by an undulator in a fourth-generation storage ring (EBS-ESRF) is studied. Results are compared against multiple optics packages implementing a variety of methods for dealing with partial coherence: full two-dimension coherent mode decomposition, Monte Carlo combination of wavefronts from electrons entering the undulator with different initial conditions, and hybrid ray-tracing correcting geometrical optics with wave optics. [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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DbLabel: Engineering Source
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  Data: <searchLink fieldCode="AR" term="%22Sanchez+del+Rio%2C+Manuel%22">Sanchez del Rio, Manuel</searchLink><relatesTo>1</relatesTo><i> srio@esrf.eu</i><br /><searchLink fieldCode="AR" term="%22Celestre%2C+Rafael%22">Celestre, Rafael</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Reyes-Herrera%2C+Juan%22">Reyes-Herrera, Juan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brumund%2C+Philipp%22">Brumund, Philipp</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cammarata%2C+Marco%22">Cammarata, Marco</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Synchrotron+Radiation%22">Journal of Synchrotron Radiation</searchLink>. Nov2022, Vol. 29 Issue 6, p1354-1367. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Storage+rings%22">Storage rings</searchLink><br /><searchLink fieldCode="DE" term="%22Undulator+radiation%22">Undulator radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Geometrical+optics%22">Geometrical optics</searchLink><br /><searchLink fieldCode="DE" term="%22Optics%22">Optics</searchLink>
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  Data: A new algorithm to perform coherent mode decomposition of undulator radiation is proposed. It is based on separating the horizontal and vertical directions, reducing the problem by working with one-dimension wavefronts. The validity conditions of this approximation are discussed. Simulations require low computer resources and run interactively on a laptop. The focusing with lenses of the radiation emitted by an undulator in a fourth-generation storage ring (EBS-ESRF) is studied. Results are compared against multiple optics packages implementing a variety of methods for dealing with partial coherence: full two-dimension coherent mode decomposition, Monte Carlo combination of wavefronts from electrons entering the undulator with different initial conditions, and hybrid ray-tracing correcting geometrical optics with wave optics. [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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        Value: 10.1107/S1600577522008736
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        Text: English
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      – SubjectFull: Undulator radiation
        Type: general
      – SubjectFull: Geometrical optics
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            – D: 01
              M: 11
              Text: Nov2022
              Type: published
              Y: 2022
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