A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade

This paper presents a novel cantilevered liquid-nitro­gen-cooled silicon mirror design for the first optic in a new soft X-ray beamline that is being developed as part of the Advanced Light Source Upgrade (ALS-U) (Lawrence Berkeley National Laboratory, USA). The beamline is optimized for photon ener...

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Detalles Bibliográficos
Autores principales: Cutler, Grant, Cocco, Daniele, DiMasi, Elaine, Morton, Simon, Sanchez del Rio, Manuel, Padmore, Howard
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2020
Materias:
Research Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7467340/
https://www.ncbi.nlm.nih.gov/pubmed/32876587
http://dx.doi.org/10.1107/S1600577520008930
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author Cutler, Grant
Cocco, Daniele
DiMasi, Elaine
Morton, Simon
Sanchez del Rio, Manuel
Padmore, Howard
author_facet Cutler, Grant
Cocco, Daniele
DiMasi, Elaine
Morton, Simon
Sanchez del Rio, Manuel
Padmore, Howard
author_sort Cutler, Grant
collection PubMed
description This paper presents a novel cantilevered liquid-nitro­gen-cooled silicon mirror design for the first optic in a new soft X-ray beamline that is being developed as part of the Advanced Light Source Upgrade (ALS-U) (Lawrence Berkeley National Laboratory, USA). The beamline is optimized for photon energies between 400 and 1400 eV with full polarization control. Calculations indicate that, without correction, this design will achieve a Strehl ratio greater than 0.85 for the entire energy and polarization ranges of the beamline. With a correction achieved by moving the focus 7.5 mm upstream, the minimum Strehl ratio is 0.99. This design is currently the baseline plan for all new ALS-U insertion device beamlines.
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spelling pubmed-74673402020-09-15 A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade Cutler, Grant Cocco, Daniele DiMasi, Elaine Morton, Simon Sanchez del Rio, Manuel Padmore, Howard J Synchrotron Radiat Research Papers This paper presents a novel cantilevered liquid-nitro­gen-cooled silicon mirror design for the first optic in a new soft X-ray beamline that is being developed as part of the Advanced Light Source Upgrade (ALS-U) (Lawrence Berkeley National Laboratory, USA). The beamline is optimized for photon energies between 400 and 1400 eV with full polarization control. Calculations indicate that, without correction, this design will achieve a Strehl ratio greater than 0.85 for the entire energy and polarization ranges of the beamline. With a correction achieved by moving the focus 7.5 mm upstream, the minimum Strehl ratio is 0.99. This design is currently the baseline plan for all new ALS-U insertion device beamlines. International Union of Crystallography 2020-08-11 /pmc/articles/PMC7467340/ /pubmed/32876587 http://dx.doi.org/10.1107/S1600577520008930 Text en © Grant Cutler et al. 2020 http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.http://creativecommons.org/licenses/by/4.0/
spellingShingle Research Papers
Cutler, Grant
Cocco, Daniele
DiMasi, Elaine
Morton, Simon
Sanchez del Rio, Manuel
Padmore, Howard
A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade
title A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade
title_full A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade
title_fullStr A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade
title_full_unstemmed A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade
title_short A cantilevered liquid-nitro­gen-cooled silicon mirror for the Advanced Light Source Upgrade
title_sort cantilevered liquid-nitro­gen-cooled silicon mirror for the advanced light source upgrade
topic Research Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7467340/
https://www.ncbi.nlm.nih.gov/pubmed/32876587
http://dx.doi.org/10.1107/S1600577520008930
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