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| P14 (PETRA III) | |
|---|---|
| Name | P14 (PETRA III) |
| Location | Hamburg |
| Established | 2009 |
| Operator | Deutsches Elektronen-Synchrotron |
| Type | Synchrotron beamline |
| Energy | 6–100 keV |
P14 (PETRA III) is a high-brilliance hard X-ray beamline at the PETRA III storage ring operated by Deutsches Elektronen-Synchrotron in Hamburg. It provides micro- and nano-focused X-ray beams for coherent imaging, scattering, and spectroscopy used by researchers from institutions such as Max Planck Society, Helmholtz Association, European XFEL, and international universities. The beamline integrates optics, detectors, and sample environments developed in collaboration with laboratories including DESY, ESRF, Diamond Light Source, and Stanford Synchrotron Radiation Lightsource.
P14 delivers high-energy X-rays sourced from undulators in the PETRA III ring and is optimized for coherence and flux for experiments comparable with beamlines at APS, SPring-8, ESRF-EBS, and Swiss Light Source. The instrument supports techniques developed at Lawrence Berkeley National Laboratory, Argonne National Laboratory, Oak Ridge National Laboratory, and Paul Scherrer Institute and is frequently used by consortia including CERN collaborations and groups from University of Oxford, Harvard University, MIT, Max Planck Institute for Intelligent Systems, and ETH Zurich.
P14 operates over a broad photon energy range (typical 6–100 keV) using multi-stage optics derived from designs at DESY, Diamond Light Source, and ESRF. Key components include in-vacuum undulators resembling those at SSRL, double-crystal monochromators similar to ESRF designs, Kirkpatrick–Baez mirrors inspired by Paul Scherrer Institute developments, and compound refractive lenses used at APS. The beamline achieves micrometer to nanometer beam sizes for applications akin to those at MAX IV, NSLS-II, ALBA, and Canadian Light Source, with coherence properties comparable to European XFEL endstations.
P14 supports coherent diffractive imaging (CDI) techniques pioneered at Lawrence Livermore National Laboratory and Diamond Light Source, X-ray ptychography used at Paul Scherrer Institute and DESY, microbeam fluorescence mapping practiced at Argonne National Laboratory and SSRL, and X-ray absorption spectroscopy (XAS) protocols established at APS and SPring-8. Instrumentation includes fast pixel detectors comparable to Pilatus and Eiger families developed at DECTRIS, precision stages from PI (company), cryostats and furnaces sourced in collaboration with Oxford Instruments, and in situ cells influenced by work at Max Planck Institutes and MPI for Polymer Research.
The beamline was conceived during upgrades to PETRA III in the mid-2000s, aligning with strategic initiatives by DESY and funding agencies including the German Federal Ministry of Education and Research and the Helmholtz Association. Design iterations drew on commissioning experience at ESRF and construction methods from Diamond Light Source. The line entered user operation following beam commissioning protocols similar to APS beamlines and continues to be upgraded in coordination with projects at European XFEL and international partners like CERN and Fraunhofer Society.
Access to P14 is organized through peer-reviewed proposal calls administered by DESY and coordinated with European access frameworks involving EMBL and national synchrotron access programs. Proposals are evaluated by panels including representatives from Max Planck Society, Helmholtz Association, DFG, and international reviewers from institutions such as Stanford University and Imperial College London. Users from research groups at University of Cambridge, University of Tokyo, University of California, Berkeley, and industrial partners like BASF and Siemens obtain beamtime via standard proposal categories: exploratory, regular, and proprietary.
P14 has enabled studies in materials science comparable to results at APS and SPring-8, including imaging of battery electrodes relevant to Toyota and Volkswagen research programs, investigations of catalysts used by BASF and Shell, and structural studies of biological tissues akin to work at EMBL and Max Planck Institute for Medical Research. The beamline contributed to advanced tomographic reconstructions applied in projects with Fraunhofer Society, nanoscale strain mapping echoing developments at Lawrence Berkeley National Laboratory, and metrology tasks supporting semiconductor research with partners such as Infineon Technologies and Intel.
Operational safety at P14 follows protocols from DESY and international standards used at CERN, European XFEL, and ESRF, including radiation protection managed by certified officers, interlock systems similar to those at APS and SSRL, and laser safety measures aligned with ISO norms. Environmental controls encompass vibration isolation technologies adopted from Paul Scherrer Institute, thermal stability systems inspired by Diamond Light Source, and waste handling procedures coordinated with Hamburg municipal regulations and German Federal Environment Agency guidance to mitigate chemical and radiological impacts.
Category:Synchrotron radiation facilities Category:Deutsches Elektronen-Synchrotron Category:Research institutes in Hamburg