Title |
X-Ray Pinhole Camera Spatial Resolution Using High Aspect Ratio LIGA Pinhole Apertures |
Authors |
- N. Vitoratou, L. Bobbpresenter
DLS, Oxfordshire, United Kingdom
- A. Last
KIT, Eggenstein-Leopoldshafen, Germany
- G. Rehm
HZB, Berlin, Germany
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Abstract |
X-ray pinhole cameras are employed to provide the transverse profile of the electron beam from which the emittance, coupling and energy spread are calculated in the storage ring of Diamond Light Source. Tungsten blades separated by shims are commonly used to form the pinhole aperture. However, this approach introduces uncertainties regarding the aperture size. X-ray lithography, electroplating and moulding, known as LIGA, has been used to provide thin screens with well-defined and high aspect ratio pinhole apertures. Thus, the optimal aperture size given the beam spectrum can be used to improve the spatial resolution of the pinhole camera. Experimental results using a LIGA screen of different aperture sizes have been compared to SRW-Python simulations over the 15-35 keV photon energy range. Good agreement has been demonstrated between the experimental and the simulation data. Challenges and considerations for this method are also presented.
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Paper |
download MOP18.PDF [0.696 MB / 5 pages] |
Poster |
download MOP18_POSTER.PDF [0.600 MB] |
Cite |
download ※ BibTeX
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Conference |
IBIC2022 |
Series |
International Beam Instrumentation Conference (11th) |
Location |
Kraków, Poland |
Date |
11-15 September 2022 |
Publisher |
JACoW Publishing, Geneva, Switzerland |
Editorial Board |
Peter Forck (GSI, Darmstadt, Germany); Adriana Wawrzyniak (SOLARIS, Kraków, Poland); Volker R.W. Schaa (GSI, Darmstadt, Germany); Grzegorz W. Kowalski (SOLARIS, Kraków, Poland); Agnieszka (SOLARIS Cudek (SOLARIS, Kraków, Poland) |
Online ISBN |
978-3-95450-241-7 |
Online ISSN |
2673-5350 |
Received |
08 September 2022 |
Revised |
09 September 2022 |
Accepted |
13 September 2022 |
Issue Date |
21 November 2022 |
DOI |
doi:10.18429/JACoW-IBIC2022-MOP18 |
Pages |
71-75 |
Copyright |
Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI. |
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