A five-axis parallel kinematic mirror unit for soft X-ray beamlines at MAX IV-Reference-Cited by-同舟云学术

A five-axis parallel kinematic mirror unit for soft X-ray beamlines at MAX IV

Published:2020-01-29 Issue:2 Volume:27 Page:262-271
ISSN:1600-5775
Container-title:Journal of Synchrotron Radiation
language:
Short-container-title:J Synchrotron Radiat

Author:

Agåker Marcus^ORCID,Mueller Frieder,Norsk Jensen Brian,Åhnberg Karl,Sjöblom Peter^ORCID,Deiwiks Jochen,Henniger Hans,Pärna Rainer^ORCID,Knudsen Jan,Thiagarajan Balasubramanian,Såthe Conny

Abstract

With the introduction of the multi-bend achromats in the new fourth-generation storage rings the emittance has decreased by an order of magnitude resulting in increased brightness. However, the higher brightness comes with smaller beam sizes and narrower radiation cones. As a consequence, the requirements on mechanical stability regarding the beamline components increases. Here an innovative five-axis parallel kinematic mirror unit for use with soft X-ray beamlines using off-axis grazing-incidence optics is presented. Using simulations and measurements from the HIPPIE beamline at the MAX IV Laboratory it is shown that it has no Eigen frequencies below 90 Hz. Its positioning accuracy is better than 25 nm linearly and 17–35 µrad angularly depending on the mirror chamber dimensions.

Funder

Knut och Alice Wallenbergs Stiftelse

Publisher

International Union of Crystallography (IUCr)

Subject

Instrumentation,Nuclear and High Energy Physics,Radiation

Link

http://journals.iucr.org/s/issues/2020/02/00/wz5002/wz5002.pdf

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