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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.08177">arXiv:1807.08177</a> <span> [<a href="https://arxiv.org/pdf/1807.08177">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1038/s41467-018-06743-8">10.1038/s41467-018-06743-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Seeded x-ray free-electron laser generating radiation with laser statistical properties </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gorobtsov%2C+O+Y">O. Yu. Gorobtsov</a>, <a href="/search/physics?searchtype=author&query=Mercurio%2C+G">G. Mercurio</a>, <a href="/search/physics?searchtype=author&query=Capotondi%2C+F">F. Capotondi</a>, <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">P. Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Lazarev%2C+S">S. Lazarev</a>, <a href="/search/physics?searchtype=author&query=Zaluzhnyy%2C+I+A">I. A. Zaluzhnyy</a>, <a href="/search/physics?searchtype=author&query=Danailov%2C+M">M. Danailov</a>, <a href="/search/physics?searchtype=author&query=Dell%60Angela%2C+M">M. Dell`Angela</a>, <a href="/search/physics?searchtype=author&query=Manfredda%2C+M">M. Manfredda</a>, <a href="/search/physics?searchtype=author&query=Pedersoli%2C+E">E. Pedersoli</a>, <a href="/search/physics?searchtype=author&query=Giannessi%2C+L">L. Giannessi</a>, <a href="/search/physics?searchtype=author&query=Kiskinova%2C+M">M. Kiskinova</a>, <a href="/search/physics?searchtype=author&query=Prince%2C+K+C">K. C. Prince</a>, <a href="/search/physics?searchtype=author&query=Wurth%2C+W">W. Wurth</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I+A">I. A. Vartanyants</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1807.08177v1-abstract-short" style="display: inline;"> The invention of optical lasers led to a revolution in the field of optics and even to the creation of completely new fields of research such as quantum optics. The reason was their unique statistical and coherence properties. The newly emerging, short-wavelength free-electron lasers (FELs) are sources of very bright coherent extreme-ultraviolet (XUV) and x-ray radiation with pulse durations on th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.08177v1-abstract-full').style.display = 'inline'; document.getElementById('1807.08177v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.08177v1-abstract-full" style="display: none;"> The invention of optical lasers led to a revolution in the field of optics and even to the creation of completely new fields of research such as quantum optics. The reason was their unique statistical and coherence properties. The newly emerging, short-wavelength free-electron lasers (FELs) are sources of very bright coherent extreme-ultraviolet (XUV) and x-ray radiation with pulse durations on the order of femtoseconds, and are presently considered to be laser sources at these energies. Most existing FELs are highly spatially coherent but in spite of their name, they behave statistically as chaotic sources. Here, we demonstrate experimentally, by combining Hanbury Brown and Twiss (HBT) interferometry with spectral measurements that the seeded XUV FERMI FEL-2 source does indeed behave statistically as a laser. The first steps have been taken towards exploiting the first-order coherence of FELs, and the present work opens the way to quantum optics experiments that strongly rely on high-order statistical properties of the radiation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.08177v1-abstract-full').style.display = 'none'; document.getElementById('1807.08177v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">24 pages, 10 figures, 37 references</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nature Communications, 9, 4498 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.01155">arXiv:1710.01155</a> <span> [<a href="https://arxiv.org/pdf/1710.01155">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1038/nphys4301">10.1038/nphys4301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quantum Imaging with Incoherently Scattered Light from a Free-Electron Laser </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Schneider%2C+R">Raimund Schneider</a>, <a href="/search/physics?searchtype=author&query=Mehringer%2C+T">Thomas Mehringer</a>, <a href="/search/physics?searchtype=author&query=Mercurio%2C+G">Giuseppe Mercurio</a>, <a href="/search/physics?searchtype=author&query=Wenthaus%2C+L">Lukas Wenthaus</a>, <a href="/search/physics?searchtype=author&query=Classen%2C+A">Anton Classen</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+G">G眉nter Brenner</a>, <a href="/search/physics?searchtype=author&query=Gorobtsov%2C+O">Oleg Gorobtsov</a>, <a href="/search/physics?searchtype=author&query=Benz%2C+A">Adrian Benz</a>, <a href="/search/physics?searchtype=author&query=Bhatti%2C+D">Daniel Bhatti</a>, <a href="/search/physics?searchtype=author&query=Bocklage%2C+L">Lars Bocklage</a>, <a href="/search/physics?searchtype=author&query=Fischer%2C+B">Birgit Fischer</a>, <a href="/search/physics?searchtype=author&query=Lazarev%2C+S">Sergey Lazarev</a>, <a href="/search/physics?searchtype=author&query=Obukhov%2C+Y">Yuri Obukhov</a>, <a href="/search/physics?searchtype=author&query=Schlage%2C+K">Kai Schlage</a>, <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">Petr Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Wagner%2C+J">Jochen Wagner</a>, <a href="/search/physics?searchtype=author&query=Waldmann%2C+F">Felix Waldmann</a>, <a href="/search/physics?searchtype=author&query=Willing%2C+S">Svenja Willing</a>, <a href="/search/physics?searchtype=author&query=Zaluzhnyy%2C+I">Ivan Zaluzhnyy</a>, <a href="/search/physics?searchtype=author&query=Wurth%2C+W">Wilfried Wurth</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I+A">Ivan A. Vartanyants</a>, <a href="/search/physics?searchtype=author&query=R%C3%B6hlsberger%2C+R">Ralf R枚hlsberger</a>, <a href="/search/physics?searchtype=author&query=von+Zanthier%2C+J">Joachim von Zanthier</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1710.01155v1-abstract-short" style="display: inline;"> The advent of accelerator-driven free-electron lasers (FEL) has opened new avenues for high-resolution structure determination via diffraction methods that go far beyond conventional x-ray crystallography methods. These techniques rely on coherent scattering processes that require the maintenance of first-order coherence of the radiation field throughout the imaging procedure. Here we show that hi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.01155v1-abstract-full').style.display = 'inline'; document.getElementById('1710.01155v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.01155v1-abstract-full" style="display: none;"> The advent of accelerator-driven free-electron lasers (FEL) has opened new avenues for high-resolution structure determination via diffraction methods that go far beyond conventional x-ray crystallography methods. These techniques rely on coherent scattering processes that require the maintenance of first-order coherence of the radiation field throughout the imaging procedure. Here we show that higher-order degrees of coherence, displayed in the intensity correlations of incoherently scattered x-rays from an FEL, can be used to image two-dimensional objects with a spatial resolution close to or even below the Abbe limit. This constitutes a new approach towards structure determination based on incoherent processes, including Compton scattering, fluorescence emission or wavefront distortions, generally considered detrimental for imaging applications. Our method is an extension of the landmark intensity correlation measurements of Hanbury Brown and Twiss to higher than second-order paving the way towards determination of structure and dynamics of matter in regimes where coherent imaging methods have intrinsic limitations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.01155v1-abstract-full').style.display = 'none'; document.getElementById('1710.01155v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 October, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1611.03996">arXiv:1611.03996</a> <span> [<a href="https://arxiv.org/pdf/1611.03996">pdf</a>, <a href="https://arxiv.org/format/1611.03996">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevA.95.023843">10.1103/PhysRevA.95.023843 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Statistical properties of a free-electron laser revealed by the Hanbury Brown and Twiss interferometry </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gorobtsov%2C+O+Y">O. Yu. Gorobtsov</a>, <a href="/search/physics?searchtype=author&query=Mercurio%2C+G">G. Mercurio</a>, <a href="/search/physics?searchtype=author&query=Brenner%2C+G">G. Brenner</a>, <a href="/search/physics?searchtype=author&query=Lorenz%2C+U">U. Lorenz</a>, <a href="/search/physics?searchtype=author&query=Gerasimova%2C+N">N. Gerasimova</a>, <a href="/search/physics?searchtype=author&query=Kurta%2C+R+P">R. P. Kurta</a>, <a href="/search/physics?searchtype=author&query=Hieke%2C+F">F. Hieke</a>, <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">P. Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Zaluzhnyy%2C+I">I. Zaluzhnyy</a>, <a href="/search/physics?searchtype=author&query=Lazarev%2C+S">S. Lazarev</a>, <a href="/search/physics?searchtype=author&query=Dzhigaev%2C+D">D. Dzhigaev</a>, <a href="/search/physics?searchtype=author&query=Rose%2C+M">M. Rose</a>, <a href="/search/physics?searchtype=author&query=Singer%2C+A">A. Singer</a>, <a href="/search/physics?searchtype=author&query=Wurth%2C+W">W. Wurth</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I+A">I. A. Vartanyants</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1611.03996v1-abstract-short" style="display: inline;"> We present a comprehensive experimental analysis of statistical properties of the self-amplified spontaneous emission (SASE) free-electron laser (FEL) FLASH at DESY in Hamburg by means of Hanbury Brown and Twiss (HBT) interferometry. The experiments were performed at the FEL wavelengths of 5.5 nm, 13.4 nm, and 20.8 nm. We determined the 2-nd order intensity correlation function for all wavelengths… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1611.03996v1-abstract-full').style.display = 'inline'; document.getElementById('1611.03996v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1611.03996v1-abstract-full" style="display: none;"> We present a comprehensive experimental analysis of statistical properties of the self-amplified spontaneous emission (SASE) free-electron laser (FEL) FLASH at DESY in Hamburg by means of Hanbury Brown and Twiss (HBT) interferometry. The experiments were performed at the FEL wavelengths of 5.5 nm, 13.4 nm, and 20.8 nm. We determined the 2-nd order intensity correlation function for all wavelengths and different operation conditions of FLASH. In all experiments a high degree of spatial coherence (above 50%) was obtained. Our analysis performed in spatial and spectral domains provided us with the independent measurements of an average pulse duration of the FEL that were below 60 fs. To explain complicated behaviour of the 2-nd order intensity correlation function we developed advanced theoretical model that includes the presence of multiple beams and external positional jitter of the FEL pulses. By this analysis we determined that in most experiments several beams were present in radiating field and in one of the experiments external positional jitter was about 25% of the beam size. We envision that methods developed in our study will be used widely for analysis and diagnostics of the FEL radiation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1611.03996v1-abstract-full').style.display = 'none'; document.getElementById('1611.03996v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 November, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">29 pages, 14 figures, 3 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. A 95, 023843 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.02565">arXiv:1610.02565</a> <span> [<a href="https://arxiv.org/pdf/1610.02565">pdf</a>, <a href="https://arxiv.org/format/1610.02565">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/849/1/012027">10.1088/1742-6596/849/1/012027 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High-dynamic-range water window ptychography </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Rose%2C+M">Max Rose</a>, <a href="/search/physics?searchtype=author&query=Dzhigaev%2C+D">Dmitry Dzhigaev</a>, <a href="/search/physics?searchtype=author&query=Senkbeil%2C+T">Tobias Senkbeil</a>, <a href="/search/physics?searchtype=author&query=von+Gundlach%2C+A+R">Andreas R. von Gundlach</a>, <a href="/search/physics?searchtype=author&query=Stuhr%2C+S">Susan Stuhr</a>, <a href="/search/physics?searchtype=author&query=Rumancev%2C+C">Christoph Rumancev</a>, <a href="/search/physics?searchtype=author&query=Besedin%2C+I">Ilya Besedin</a>, <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">Petr Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">Jens Viefhaus</a>, <a href="/search/physics?searchtype=author&query=Rosenhahn%2C+A">Axel Rosenhahn</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I+A">Ivan A. Vartanyants</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1610.02565v1-abstract-short" style="display: inline;"> Ptychographic imaging with soft X-rays, especially in the water window energy range, suffers from limited detector dynamic range that directly influences the maximum spatial resolution achievable. High-dynamic-range data can be obtained by multiple exposures. By this approach we have increased the dynamic range of a ptychographic data set by a factor of 76 and obtained diffraction signal till the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.02565v1-abstract-full').style.display = 'inline'; document.getElementById('1610.02565v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.02565v1-abstract-full" style="display: none;"> Ptychographic imaging with soft X-rays, especially in the water window energy range, suffers from limited detector dynamic range that directly influences the maximum spatial resolution achievable. High-dynamic-range data can be obtained by multiple exposures. By this approach we have increased the dynamic range of a ptychographic data set by a factor of 76 and obtained diffraction signal till the corners of the detector. The real space half period resolution was improved from 50 nm for the single exposure data to 18 nm for the high-dynamic-range data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.02565v1-abstract-full').style.display = 'none'; document.getElementById('1610.02565v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 3 figures, Proceedings of XRM-2016 Conference, Oxford, UK</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1501.02355">arXiv:1501.02355</a> <span> [<a href="https://arxiv.org/pdf/1501.02355">pdf</a>, <a href="https://arxiv.org/format/1501.02355">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1107/S1600577515005524">10.1107/S1600577515005524 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Water Window Ptychographic Imaging with Characterized Coherent X-rays </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Rose%2C+M">Max Rose</a>, <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">Petr Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Dzhigaev%2C+D">Dmitry Dzhigaev</a>, <a href="/search/physics?searchtype=author&query=Gorobtsov%2C+O">Oleg Gorobtsov</a>, <a href="/search/physics?searchtype=author&query=Senkbeil%2C+T">Tobias Senkbeil</a>, <a href="/search/physics?searchtype=author&query=von+Gundlach%2C+A">Andreas von Gundlach</a>, <a href="/search/physics?searchtype=author&query=Gorniak%2C+T">Thomas Gorniak</a>, <a href="/search/physics?searchtype=author&query=Shabalin%2C+A">Anatoly Shabalin</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">Jens Viefhaus</a>, <a href="/search/physics?searchtype=author&query=Rosenhahn%2C+A">Axel Rosenhahn</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I">Ivan Vartanyants</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1501.02355v1-abstract-short" style="display: inline;"> We report on a ptychographical coherent diffractive imaging experiment in the water window with focused soft X-rays at $500~\mathrm{eV}$. An X-ray beam with high degree of coherence was selected for ptychography at the P04 beamline of the PETRA III synchrotron radiation source. We measured the beam coherence with the newly developed non-redundant array method. A pinhole $2.6~\mathrm{渭m}$ in size s… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.02355v1-abstract-full').style.display = 'inline'; document.getElementById('1501.02355v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1501.02355v1-abstract-full" style="display: none;"> We report on a ptychographical coherent diffractive imaging experiment in the water window with focused soft X-rays at $500~\mathrm{eV}$. An X-ray beam with high degree of coherence was selected for ptychography at the P04 beamline of the PETRA III synchrotron radiation source. We measured the beam coherence with the newly developed non-redundant array method. A pinhole $2.6~\mathrm{渭m}$ in size selected the coherent part of the beam and was used for ptychographic measurements of a lithographically manufactured test sample and fossil diatom. The achieved resolution was $53~\mathrm{nm}$ for the test sample and only limited by the size of the detector. The diatom was imaged at a resolution better than $90~\mathrm{nm}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.02355v1-abstract-full').style.display = 'none'; document.getElementById('1501.02355v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages. 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Synchrotron Rad. 22, Part 3, 819 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1402.6135">arXiv:1402.6135</a> <span> [<a href="https://arxiv.org/pdf/1402.6135">pdf</a>, <a href="https://arxiv.org/format/1402.6135">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1107/S1600577514006857">10.1107/S1600577514006857 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterization of Spatial Coherence of Synchrotron Radiation with Non-Redundant Arrays of Apertures </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">P. Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Singer%2C+A">A. Singer</a>, <a href="/search/physics?searchtype=author&query=Bach%2C+J">J. Bach</a>, <a href="/search/physics?searchtype=author&query=M%7Fuller%2C+L">L. Muller</a>, <a href="/search/physics?searchtype=author&query=Beyersdorf%2C+B">B. Beyersdorf</a>, <a href="/search/physics?searchtype=author&query=Schleitzer%2C+S">S. Schleitzer</a>, <a href="/search/physics?searchtype=author&query=Gorobtsov%2C+O">O. Gorobtsov</a>, <a href="/search/physics?searchtype=author&query=Shabalin%2C+A">A. Shabalin</a>, <a href="/search/physics?searchtype=author&query=Kurta%2C+R">R. Kurta</a>, <a href="/search/physics?searchtype=author&query=Dzhigaev%2C+D">D. Dzhigaev</a>, <a href="/search/physics?searchtype=author&query=Yefanov%2C+O+M">O. M. Yefanov</a>, <a href="/search/physics?searchtype=author&query=Glaser%2C+L">L. Glaser</a>, <a href="/search/physics?searchtype=author&query=Sakdinawat%2C+A">A. Sakdinawat</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+Y">Y. Liu</a>, <a href="/search/physics?searchtype=author&query=Gr%7Fubel%2C+G">G. Grubel</a>, <a href="/search/physics?searchtype=author&query=Fr%7Fomter%2C+R">R. Fromter</a>, <a href="/search/physics?searchtype=author&query=Oepen%2C+H+P">H. P. Oepen</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">J. Viefhaus</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I+A">I. A. Vartanyants</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1402.6135v1-abstract-short" style="display: inline;"> We present a method to characterize the spatial coherence of soft X-ray radiation from a single diffraction pattern. The technique is based on scattering from non-redundant arrays (NRA) of slits and records the degree of spatial coherence at several relative separations from one to 15 microns, simultaneously. Using NRAs we measured the transverse coherence of the X-ray beam at the XUV X-ray beamli… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.6135v1-abstract-full').style.display = 'inline'; document.getElementById('1402.6135v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1402.6135v1-abstract-full" style="display: none;"> We present a method to characterize the spatial coherence of soft X-ray radiation from a single diffraction pattern. The technique is based on scattering from non-redundant arrays (NRA) of slits and records the degree of spatial coherence at several relative separations from one to 15 microns, simultaneously. Using NRAs we measured the transverse coherence of the X-ray beam at the XUV X-ray beamline P04 of the PETRA III synchrotron storage ring as a function of different beam parameters. To verify the results obtained with the NRAs additional Young's double pinhole experiments were conducted and show good agreement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.6135v1-abstract-full').style.display = 'none'; document.getElementById('1402.6135v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 February, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 6 figures, 2 tables, 42 references</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Synchrotron Rad. 21 Part 4, pages 722-728. (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1402.3092">arXiv:1402.3092</a> <span> [<a href="https://arxiv.org/pdf/1402.3092">pdf</a>, <a href="https://arxiv.org/format/1402.3092">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.113.064801">10.1103/PhysRevLett.113.064801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Intensity interferometry of single x-ray pulses from a synchrotron storage ring </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Singer%2C+A">A. Singer</a>, <a href="/search/physics?searchtype=author&query=Lorenz%2C+U">U. Lorenz</a>, <a href="/search/physics?searchtype=author&query=Marras%2C+A">A. Marras</a>, <a href="/search/physics?searchtype=author&query=Klyuev%2C+A">A. Klyuev</a>, <a href="/search/physics?searchtype=author&query=Becker%2C+J">J. Becker</a>, <a href="/search/physics?searchtype=author&query=Schlage%2C+K">K. Schlage</a>, <a href="/search/physics?searchtype=author&query=Skopintsev%2C+P">P. Skopintsev</a>, <a href="/search/physics?searchtype=author&query=Gorobtsov%2C+O">O. Gorobtsov</a>, <a href="/search/physics?searchtype=author&query=Shabalin%2C+A">A. Shabalin</a>, <a href="/search/physics?searchtype=author&query=Wille%2C+H+-">H. -C. Wille</a>, <a href="/search/physics?searchtype=author&query=Franz%2C+H">H. Franz</a>, <a href="/search/physics?searchtype=author&query=Graafsma%2C+H">H. Graafsma</a>, <a href="/search/physics?searchtype=author&query=Vartanyants%2C+I+A">I. A. Vartanyants</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1402.3092v1-abstract-short" style="display: inline;"> We report on measurements of second-order intensity correlations at the high brilliance storage ring PETRA III using a prototype of the newly developed Adaptive Gain Integrating Pixel Detector (AGIPD). The detector recorded individual synchrotron radiation pulses with an x-ray photon energy of 14.4 keV and repetition rate of about 5 MHz. The second-order intensity correlation function was measured… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.3092v1-abstract-full').style.display = 'inline'; document.getElementById('1402.3092v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1402.3092v1-abstract-full" style="display: none;"> We report on measurements of second-order intensity correlations at the high brilliance storage ring PETRA III using a prototype of the newly developed Adaptive Gain Integrating Pixel Detector (AGIPD). The detector recorded individual synchrotron radiation pulses with an x-ray photon energy of 14.4 keV and repetition rate of about 5 MHz. The second-order intensity correlation function was measured simultaneously at different spatial separations that allowed to determine the transverse coherence length at these x-ray energies. The measured values are in a good agreement with theoretical simulations based on the Gaussian Schell-model. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.3092v1-abstract-full').style.display = 'none'; document.getElementById('1402.3092v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 February, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages, 6 figures, 42 references</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 113, 064801, /1-4 (2014) </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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