CFEL-DRD

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2018-08-22
14:26
OpenAccess [PUBDB-2018-03102] Journal Article
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Megahertz serial crystallography
The new European X-ray Free-Electron Laser is the first X-ray free-electron laser capable of delivering X-ray pulses with a megahertz inter-pulse spacing, more than four orders of magnitude higher than previously possible. However, to date, it has been unclear whether it would indeed be possible to measure high-quality diffraction data at megahertz pulse repetition rates. [...]
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ddc:500
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2018-04-20
10:07
[PUBDB-2018-01797] Journal Article
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LAMBDA 2M GaAs—A multi-megapixel hard X-ray detector for synchrotrons
11th International Conference on Position Sensitive Detectors, PSD11, Walton Hall, Milton KeynesWalton Hall, Milton Keynes, UK, 3 Sep 2017 - 8 Sep 20172017-09-032017-09-08 Journal of Instrumentation 13(01), C01026 - C01026 () [10.1088/1748-0221/13/01/C01026]  GO
Synchrotrons can provide very intense and focused X-ray beams, which can be used tostudy the structure of matter down to the atomic scale. In many experiments, the quality of theresults depends strongly on detector performance; in particular, experiments studying dynamics ofsamples require fast, sensitive X-ray detectors.“LAMBDA” is a photon-counting hybrid pixel detector system for experiments at synchrotrons,based on the Medipix3 readout chip. [...]
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ddc:610
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2018-01-11
10:57
[PUBDB-2018-00446] Journal Article
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Progress on TSV technology for Medipix3RX chip
The progress of Through Silicon Via (TSV) technology for Medipix3RX chip done at DESY is presented here. The goal of this development is to replace the wire bonds in X-ray detectors with TSVs, in order to reduce the dead area between detectors. [...]
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ddc:610
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2018-01-10
11:27
[PUBDB-2018-00324] Journal Article
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Semiconductor materials for x-ray detectors
Energy quarterly 42(6), 445 - 450 () [10.1557/mrs.2017.95]  GO
Semiconductor x-ray detectors are widely used in experiments at synchrotron facilities. The performance of these detectors depends heavily on the semiconductor material properties. [...]
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ddc:333.7
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2018-01-09
15:59
Embargoed OpenAccess [PUBDB-2018-00294] Journal Article
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Next-generation materials for future synchrotron and free-electron laser sources
Energy quarterly 42(6), 418 - 423 () [10.1557/mrs.2017.118]  GO
The development of new materials and improvements of existing ones are at the root of the spectacular recent developments of new technologies for synchrotron storage rings and free-electron laser sources. This holds true for all relevant application areas, from electron guns to undulators, x-ray optics, and detectors. [...]
Published on 2017-06-09. Available in OpenAccess from 2017-12-09.: nextgeneration_materials_for_future_synchrotron_and_freeelectron_laser_sources - Download fulltextPDF Download fulltextPDF (PDFA); S088376941700118X - Download fulltextPDF Download fulltextPDF (PDFA);
ddc:333.7
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2017-12-01
09:45
OpenAccess [PUBDB-2017-12644] Journal Article
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Non-uniform nanosecond gate-delay of hybrid pixel detectors
A simple experiment to characterize the gating properties of X-ray area detectors using pulsed X-ray sources is presented. For a number of time-resolved experiments the gating uniformity of area detectors is important. [...]
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ddc:540
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2017-06-01
14:22
[PUBDB-2017-04151] Journal Article
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Femtosecond response of polyatomic molecules to ultra-intense hard X-rays
Nature <London> 546(7656), 129 - 132 () [10.1038/nature22373]  GO
X-ray free-electron lasers enable the investigation of the structure and dynamics of diverse systems, including atoms, molecules, nanocrystals and single bioparticles, under extreme conditions1, 2, 3, 4, 5, 6, 7. Many imaging applications that target biological systems and complex materials use hard X-ray pulses with extremely high peak intensities (exceeding 1020 watts per square centimetre)3, 5. [...]
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ddc:070
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2017-01-09
13:42
OpenAccess [PUBDB-2017-00320] Journal Article
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X-ray deconvolution microscopy
Biomedical optics express 7(4), 1227 - 1239 () [10.1364/BOE.7.001227]  GO
Recent advances in single-photon-counting detectors are enabling the development of novel approaches to reach micrometer-scale resolution in x-ray imaging. One example of such a technology are the MEDIPIX3RX-based detectors, such as the LAMBDA which can be operated with a small pixel size in combination with real-time on-chip charge-sharing correction. [...]
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ddc:530
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2017-01-06
14:25
OpenAccess [PUBDB-2017-00231] Journal Article

Hybrid pixel array detectors enter the low noise regime
Custom-designed hybrid pixel array detectors (HPADs) have completely changed the situation of detection at synchrotron sources over the last decade. With the development of a very low noise integrating HPAD, the detector group at PSI has shown that these systems can also be used for spectroscopic imaging and sub-keV photon detection..
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ddc:540
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2016-12-01
16:56
Embargoed OpenAccess [PUBDB-2016-05817] Journal Article/Contribution to a conference proceedings
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Characterisation of a PERCIVAL monolithic active pixel prototype using synchrotron radiation
iWoRiD 2015, HamburgHamburg, Germany, 28 Jun 2015 - 2 Jul 20152015-06-282015-07-02 Journal of Instrumentation 11(02), C02090 () [10.1088/1748-0221/11/02/C02090]  GO
PERCIVAL ("Pixelated Energy Resolving CMOS Imager, Versatile And Large") is a monolithic active pixel sensor (MAPS) based on CMOS technology. Is being developed by DESY, RAL/STFC, Elettra, DLS, and PAL to address the various requirements of detectors at synchrotron radiation sources and Free Electron Lasers (FELs) in the soft X-ray regime. [...]
Published on 2016-02-29. Available in OpenAccess from 2017-02-28.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:610
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