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PETRA IV: the ultralow-emittance source project at DESY
Christian G Schroer1, Ilya Agapov1, Werner Brefeld1
1Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607 Hamburg, Germany.
Journal of Synchrotron Radiation
|September 5, 2018
Summary
The PETRA IV project will upgrade the PETRA III synchrotron radiation source into an ultralow-emittance facility. This upgrade will enable advanced 3D X-ray microscopy for groundbreaking scientific and industrial research.
Area of Science:
- * Synchrotron radiation science
- * X-ray microscopy
- * Materials science and condensed matter physics
Background:
- * The existing PETRA III synchrotron radiation source at DESY.
- * The need for ultralow-emittance sources for advanced research.
Purpose of the Study:
- * To outline the PETRA IV project, an upgrade of PETRA III.
- * To detail the scientific case and conceptual design for an ultralow-emittance synchrotron source.
- * To enable high-resolution 3D X-ray microscopy for diverse scientific fields.
Main Methods:
- * Conceptual design of a hybrid multi-bend achromat lattice.
- * Incorporation of an interleaved sextupole configuration, inspired by ESRF-EBS.
- * Exploration of alternative lattice concepts for the upgraded source.
Main Results:
- * PETRA IV will be diffraction-limited up to 10 keV X-rays.
- * The source will support 3D X-ray microscopy across atomic to millimeter scales.
- * Enabling studies of processes with sub-nanosecond time resolution.
Conclusions:
- * PETRA IV represents a significant advancement in synchrotron radiation technology.
- * The proposed design will facilitate groundbreaking research in health, energy, and IT.
- * The project is poised to drive innovation across multiple scientific and industrial sectors.
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