Salditt, Tim

[["dc.bibliographiccitation.artnumber","268101"],["dc.bibliographiccitation.issue","26"],["dc.bibliographiccitation.journal","Physical Review Letters"],["dc.bibliographiccitation.volume","111"],["dc.contributor.author","Khakhulin, D."],["dc.contributor.author","Wulff, M."],["dc.contributor.author","Reusch, Tobias"],["dc.contributor.author","Mai, Dong-Du"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Salditt, Tim"],["dc.date.accessioned","2020-11-05T15:05:25Z"],["dc.date.available","2020-11-05T15:05:25Z"],["dc.date.issued","2013"],["dc.description.abstract","We study the nonequilibrium shape fluctuations in fluorescence labeled phospholipid multibilayers composed of the model lipid DOPC and the well-known lipid dye Texas red, driven out of equilibrium by short laser pulses. The temporal evolution of the lipid bilayer undulations after excitation was recorded by time resolved x-ray diffraction. Already at moderate peak intensities (P-p <= 10(5) W/cm(2)), pulsed laser illumination leads to significant changes of the undulation modes in a well-defined lateral wavelength band. The observed phenomena evolve on nano-to microsecond time scales after optical excitation, and can be described in terms of a modulation instability in the lipid multilamellar stack."],["dc.identifier.doi","10.1103/PhysRevLett.111.268101"],["dc.identifier.gro","3142229"],["dc.identifier.isi","000331934500020"],["dc.identifier.pmid","24483815"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10030"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68467"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.6"],["dc.notes.status","final"],["dc.notes.submitter","PUB_WoS_Import"],["dc.relation.eissn","1079-7114"],["dc.relation.issn","0031-9007"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.rights","CC BY 3.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/3.0/"],["dc.subject.gro","x-ray scattering"],["dc.subject.gro","membrane biophysics"],["dc.title","Nonequilibrium Collective Dynamics in Photoexcited Lipid Multilayers by Time Resolved Diffuse X-Ray Scattering"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","41932"],["dc.bibliographiccitation.issue","25"],["dc.bibliographiccitation.journal","Optics Express"],["dc.bibliographiccitation.volume","29"],["dc.contributor.author","Soltau, Jakob"],["dc.contributor.author","Lohse, Leon Merten"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Salditt, Tim"],["dc.date.accessioned","2021-12-02T15:07:31Z"],["dc.date.available","2021-12-02T15:07:31Z"],["dc.date.issued","2021-12-01"],["dc.description.abstract","Recent progress in nanofabrication, namely of multilayer optics, and the constructionof coherent hard x-ray sources has enabled high resolution x-ray microscopy with large numericalaperture optics for small focal spot sizes. Sub-10 nm and even sub-5 nm focal spot sizes havealready been achieved using multilayer optics such as multilayer Laue lenses and multilayerzone plates. However these optics can not be described by the kinematic theory given theirextreme aspect-ratio between the depth (thickness) and the layer width. Moreover, the numericalsimulation of these optics is challenging, and the absence of an accessible numerical frameworkinhibits further progress in their design and utilization. Here, we simulate the propagation of x-raywavefields within and behind optical multilayer elements using a finite-difference propagationmethod. We show that the method offers high accuracy at reasonable computational cost. Weinvestigate how small focal spot sizes and highest diffraction efficiency of multilayer opticscan be achieved, considering volume diffraction effects such as waveguiding and Pendellösung.Finally, we show the simulation of a novel imaging scheme, allowing for a detailed study ofimage formation and the development of customized phase retrieval schemes."],["dc.identifier.doi","10.1364/OE.445300"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/94973"],["dc.relation.issn","1094-4087"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.title","Finite-difference propagation for the imulation of x-ray multilayer optics"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","118102"],["dc.bibliographiccitation.issue","11"],["dc.bibliographiccitation.journal","Physical Review Letters"],["dc.bibliographiccitation.volume","113"],["dc.contributor.author","Reusch, Tobias"],["dc.contributor.author","Schuelein, Florian J. R."],["dc.contributor.author","Nicolas, Jan-David"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Beerlink, André"],["dc.contributor.author","Krenner, Hubert J."],["dc.contributor.author","Mueller, M."],["dc.contributor.author","Wixforth, Achim"],["dc.contributor.author","Salditt, Tim"],["dc.date.accessioned","2020-11-05T15:05:24Z"],["dc.date.available","2020-11-05T15:05:24Z"],["dc.date.issued","2014"],["dc.description.abstract","We use standing surface acoustic waves to induce coherent phonons in model lipid multilayers deposited on a piezoelectric surface. Probing the structure by phase-controlled stroboscopic x-ray pulses we find that the internal lipid bilayer electron density profile oscillates in response to the externally driven motion of the lipid film. The structural response to the well-controlled motion is a strong indication that bilayer structure and membrane fluctuations are intrinsically coupled, even though these structural changes are averaged out in equilibrium and time integrating measurements. Here the effects are revealed by a timing scheme with temporal resolution on the picosecond scale in combination with the sub-nm spatial resolution, enabled by high brilliance synchrotron x-ray reflectivity."],["dc.identifier.doi","10.1103/PhysRevLett.113.118102"],["dc.identifier.gro","3142054"],["dc.identifier.isi","000345970800012"],["dc.identifier.pmid","25260008"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/11552"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68462"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.6"],["dc.notes.status","final"],["dc.notes.submitter","PUB_WoS_Import"],["dc.relation.eissn","1079-7114"],["dc.relation.issn","0031-9007"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.rights","CC BY 3.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/3.0/"],["dc.subject.gro","x-ray scattering"],["dc.subject.gro","membrane biophysics"],["dc.title","Collective Lipid Bilayer Dynamics Excited by Surface Acoustic Waves"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","22"],["dc.bibliographiccitation.journal","Physical Review Letters"],["dc.bibliographiccitation.volume","128"],["dc.contributor.author","Soltau, Jakob"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Salditt, Tim"],["dc.date.accessioned","2022-06-07T06:45:02Z"],["dc.date.available","2022-06-07T06:45:02Z"],["dc.date.issued","2022"],["dc.description.abstract","We present a novel approach to x-ray microscopy based on a multilayer zone plate which is positioned\r\nbehind a sample similar to an objective lens. However, unlike transmission x-ray microscopy, we do not\r\ncontent ourselves with a sharp intensity image; instead, we incorporate the multilayer zone plate transfer\r\nfunction directly in an iterative phase retrieval scheme to exploit the large diffraction angles of the small\r\nlayers. The presence of multiple diffraction orders, which is conventionally a nuisance, now comes as an\r\nadvantage for the reconstruction and photon efficiency. In a first experiment, we achieve sub-10-nm\r\nresolution and a quantitative phase contrast."],["dc.identifier.doi","10.1103/PhysRevLett.128.223901"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/108716"],["dc.language.iso","en"],["dc.relation","SFB 1456 | Cluster C | C03: Intensity correlations in diffraction experiments: convolution, reconstruction and information"],["dc.relation","SFB 1456: Mathematik des Experiments: Die Herausforderung indirekter Messungen in den Naturwissenschaften"],["dc.relation.issn","0031-9007"],["dc.relation.issn","1079-7114"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.rights","CC BY 4.0"],["dc.subject.gro","x-ray optics"],["dc.subject.gro","x-ray imaging"],["dc.title","Coherent Diffractive Imaging with Diffractive Optics"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.contributor.author","Kalbfleisch, Sebastian"],["dc.contributor.author","Neubauer, Heike"],["dc.contributor.author","Krüger, Sven P"],["dc.contributor.author","Bartels, Matthias"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Mai, Dong-Du"],["dc.contributor.author","Giewekemeyer, Klaus"],["dc.contributor.author","Hartmann, Britta"],["dc.contributor.author","Sprung, Michael"],["dc.contributor.author","Salditt, Tim"],["dc.contributor.author","McNulty, Ian"],["dc.contributor.author","Eyberger, Catherine"],["dc.contributor.author","Lai, Barry"],["dc.date.accessioned","2017-09-07T11:54:07Z"],["dc.date.available","2017-09-07T11:54:07Z"],["dc.date.issued","2011"],["dc.identifier.doi","10.1063/1.3625313"],["dc.identifier.gro","3145117"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/2818"],["dc.language.iso","en"],["dc.notes.intern","Crossref Import"],["dc.notes.status","public"],["dc.publisher","AIP Publishing"],["dc.publisher.place","Melville, NY"],["dc.relation","SFB 755: Nanoscale Photonic Imaging"],["dc.relation.conference","10th International Conference on X-Ray Microscopy"],["dc.relation.eventend","2010-08-20"],["dc.relation.eventlocation","Chicago, Illinois"],["dc.relation.eventstart","2010-08-15"],["dc.relation.isbn","0-7354-0925-0"],["dc.relation.isbn","978-0-7354-0925-5"],["dc.relation.ispartof","The 10th International Conference on X-Ray Microscopy"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.subject.gro","x-ray optics"],["dc.subject.gro","x-ray imaging"],["dc.title","The Göttingen Holography Endstation of Beamline P10 at PETRA III∕DESY"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","203902"],["dc.bibliographiccitation.issue","20"],["dc.bibliographiccitation.journal","Physical Review Letters"],["dc.bibliographiccitation.volume","115"],["dc.contributor.author","Salditt, Tim"],["dc.contributor.author","Hoffmann, S."],["dc.contributor.author","Vassholz, M."],["dc.contributor.author","Haber, J."],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Hilhorst, J."],["dc.contributor.orcid","0000-0002-0368-8782"],["dc.creator.author","Vassholz, Malte"],["dc.date.accessioned","2022-11-21T10:16:33Z"],["dc.date.available","2022-11-21T10:16:33Z"],["dc.date.issued","2015"],["dc.description.abstract","We study the propagation of hard x rays in single curved x-ray waveguide channels and observe waveguide effects down to surprisingly small radii of curvature R similar or equal to 10 mm and a large contour length s similar or equal to 5 mm, deflecting beams up to 30 degrees. At these high angles, about 2 orders of magnitude above the critical angle of total reflection theta(c), most radiation modes are lost by \"leaking\" into the cladding, while certain \"survivor\" modes persist. This may open up a new form of integrated x-ray optics \"on a chip,\" requiring curvatures mostly well below the extreme values studied here, e.g., to split and to delay x-ray pulses."],["dc.identifier.doi","10.1103/PhysRevLett.115.203902"],["dc.identifier.gro","3141790"],["dc.identifier.isi","000364413900008"],["dc.identifier.pmid","26613440"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/117173"],["dc.identifier.url","https://publications.goettingen-research-online.de/handle/2/1101"],["dc.notes.intern","WoS Import 2017-03-10"],["dc.notes.status","final"],["dc.notes.submitter","PUB_WoS_Import"],["dc.relation.eissn","1079-7114"],["dc.relation.haserratum","/handle/2/98884"],["dc.relation.issn","0031-9007"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.subject.gro","x-ray optics and imaging"],["dc.title","X-Ray Optics on a Chip: Guiding X Rays in Curved Channels"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","3468"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Nature Communications"],["dc.bibliographiccitation.volume","12"],["dc.contributor.author","Vaßholz, Malte"],["dc.contributor.author","Hoeppe, H. P."],["dc.contributor.author","Hagemann, Johannes"],["dc.contributor.author","Rosselló, J. M."],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Mettin, Robert"],["dc.contributor.author","Kurz, Thomas"],["dc.contributor.author","Schropp, A."],["dc.contributor.author","Seiboth, F."],["dc.contributor.author","Schroer, C. G."],["dc.contributor.author","Scholz, M."],["dc.contributor.author","Möller, J."],["dc.contributor.author","Hallmann, J."],["dc.contributor.author","Boesenberg, U."],["dc.contributor.author","Kim, C."],["dc.contributor.author","Zozulya, A."],["dc.contributor.author","Lu, W."],["dc.contributor.author","Shayduk, R."],["dc.contributor.author","Schaffer, R."],["dc.contributor.author","Madsen, A."],["dc.contributor.author","Salditt, Tim"],["dc.date.accessioned","2021-06-08T12:44:14Z"],["dc.date.available","2021-06-08T12:44:14Z"],["dc.date.issued","2021-06-08"],["dc.description.abstract","Cavitation bubbles can be seeded from a plasma following optical breakdown, by focusing an intense laser in water. The fast dynamics are associated with extreme states of gas and liquid, especially in the nascent state. This offers a unique setting to probe water and water vapor far-from equilibrium. However, current optical techniques cannot quantify these early states due to contrast and resolution limitations. X-ray holography with single X-ray free-electron laser pulses has now enabled a quasi-instantaneous high resolution structural probe with contrast proportional to the electron density of the object. In this work, we demonstrate cone-beam holographic flash imaging of laser-induced cavitation bubbles in water with nanofocused X-ray free-electron laser pulses. We quantify the spatial and temporal pressure distribution of the shockwave surrounding the expanding cavitation bubble at time delays shortly after seeding and compare the results to numerical simulations."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.1038/s41467-021-23664-1"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/87172"],["dc.relation.issn","2041-1723"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.rights","CC BY 4.0"],["dc.subject.gro","x-ray imaging"],["dc.title","Pump-probe X-ray holographic imaging of laser-induced cavitation bubbles with femtosecond FEL pulses"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","3641"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Nature Communications"],["dc.bibliographiccitation.volume","9"],["dc.contributor.author","Bernhardt, M."],["dc.contributor.author","Nicolas, J.-D."],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Mittelstädt, H."],["dc.contributor.author","Reuß, Bernhard M."],["dc.contributor.author","Harke, B."],["dc.contributor.author","Wittmeier, A."],["dc.contributor.author","Sprung, M."],["dc.contributor.author","Köster, S."],["dc.contributor.author","Salditt, T."],["dc.date.accessioned","2020-03-10T11:45:32Z"],["dc.date.available","2020-03-10T11:45:32Z"],["dc.date.issued","2018"],["dc.description.abstract","We present a correlative microscopy approach for biology based on holographic X-ray imaging, X-ray scanning diffraction, and stimulated emission depletion (STED) microscopy. All modalities are combined into the same synchrotron endstation. In this way, labeled and unlabeled structures in cells are visualized in a complementary manner. We map out the fluorescently labeled actin cytoskeleton in heart tissue cells and superimpose the data with phase maps from X-ray holography. Furthermore, an array of local far-field diffraction patterns is recorded in the regime of small-angle X-ray scattering (scanning SAXS), which can be interpreted in terms of biomolecular shape and spatial correlations of all contributing scattering constituents. We find that principal directions of anisotropic diffraction patterns coincide to a certain degree with the actin fiber directions and that actin stands out in the phase maps from holographic recordings. In situ STED recordings are proposed to formulate models for diffraction data based on co-localization constraints."],["dc.identifier.doi","10.1038/s41467-018-05885-z"],["dc.identifier.pmid","30194418"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/15331"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63281"],["dc.language.iso","en"],["dc.relation.issn","2041-1723"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Köster (Cellular Biophysics)"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.rights","CC BY 4.0"],["dc.rights.uri","http://creativecommons.org/licenses/by/4.0/"],["dc.subject.ddc","530"],["dc.subject.gro","x-ray imaging"],["dc.subject.gro","x-ray scattering"],["dc.subject.gro","cellular biophysics"],["dc.title","Correlative microscopy approach for biology using X-ray holography, X-ray scanning diffraction and STED microscopy"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","19311"],["dc.bibliographiccitation.issue","16"],["dc.bibliographiccitation.journal","Optics Express"],["dc.bibliographiccitation.lastpage","19323"],["dc.bibliographiccitation.volume","21"],["dc.contributor.author","Döring, Florian"],["dc.contributor.author","Robisch, Anna-Lena"],["dc.contributor.author","Eberl, Christian"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.author","Ruhlandt, Aike"],["dc.contributor.author","Liese, Tobias"],["dc.contributor.author","Schlenkrich, Felix"],["dc.contributor.author","Hoffmann, S."],["dc.contributor.author","Bartels, Matthias"],["dc.contributor.author","Salditt, Tim"],["dc.contributor.author","Krebs, Hans-Ulrich"],["dc.date.accessioned","2020-11-05T15:05:23Z"],["dc.date.available","2020-11-05T15:05:23Z"],["dc.date.issued","2013"],["dc.description.abstract","Compound optics such as lens systems can overcome the limitations concerning resolution, efficiency, or aberrations which fabrication constraints would impose on any single optical element. In this work we demonstrate unprecedented sub-5 nm point focusing of hard x-rays, based on the combination of a high gain Kirkpatrick-Baez (KB) mirror system and a high resolution W/Si multilayer zone plate (MZP) for ultra-short focal length f. The pre-focusing allows limiting the MZP radius to below 2 mu m, compatible with the required 5 nm structure width and essentially unlimited aspect ratios, provided by enabling fabrication technology based on pulsed laser deposition (PLD) and focused ion beam (FIB). (c) 2013 Optical Society of America"],["dc.identifier.doi","10.1364/OE.21.019311"],["dc.identifier.gro","3142308"],["dc.identifier.isi","000323049900072"],["dc.identifier.pmid","23938848"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68456"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.6"],["dc.notes.status","final"],["dc.notes.submitter","PUB_WoS_Import"],["dc.relation","SFB 755: Nanoscale Photonic Imaging"],["dc.relation.eissn","1094-4087"],["dc.relation.issn","1094-4087"],["dc.relation.orgunit","Institut für Materialphysik"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.relation.workinggroup","RG Salditt (Structure of Biomolecular Assemblies and X-Ray Physics)"],["dc.subject.gro","x-ray optics"],["dc.title","Sub-5 nm hard x-ray point focusing by a combined Kirkpatrick-Baez mirror and multilayer zone plate"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","71"],["dc.bibliographiccitation.lastpage","124"],["dc.bibliographiccitation.seriesnr","134"],["dc.contributor.author","Salditt, Tim"],["dc.contributor.author","Osterhoff, Markus"],["dc.contributor.editor","Salditt, Tim"],["dc.contributor.editor","Egner, Alexander"],["dc.contributor.editor","Luke, D. Russell"],["dc.date.accessioned","2021-04-21T11:15:35Z"],["dc.date.available","2021-04-21T11:15:35Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1007/978-3-030-34413-9_3"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/84263"],["dc.relation","SFB 755: Nanoscale Photonic Imaging"],["dc.relation.crisseries","Topics in Applied Physics"],["dc.relation.doi","10.1007/978-3-030-34413-9"],["dc.relation.eisbn","978-3-030-34413-9"],["dc.relation.isbn","978-3-030-34412-2"],["dc.relation.ispartof","Nanoscale Photonic Imaging"],["dc.relation.ispartofseries","Topics in Applied Physics; 134"],["dc.relation.orgunit","Institut für Röntgenphysik"],["dc.subject.gro","SFB 755"],["dc.title","X-ray Focusing and Optics"],["dc.type","book_chapter"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]