Ghost imaging at an XUV free-electron laser

Kim, Young Yong; Gelisio, Luca; Mercurio, Giuseppe; Dziarzhytski, Siarhei; Beye, Martin; Bocklage, Lars; Classen, Anton; Dávid, Christian; Gorobtsov, Oleg; Khubbutdinov, Ruslan; Lazarev, Sergey; Mukharamova, Nastasia; Obukhov, Yuri N.; Rösner, Benedikt; Schlage, Kai; Zaluzhnyy, Ivan A.; Brenner, Günter; Röhlsberger, Ralf; Zanthier, J. von; Würth, W.; Vartanyants, Ivan A.

doi:10.1103/physreva.101.013820

Cited by 19 publications

(19 citation statements)

References 57 publications

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“…Can multiplex sensing enable one to obtain more information for a given radiation dose? Many atomic resolution imaging tasks are radiation-damage limited, and the possibility to use multiplex sensing to overcome that limit has been discussed in recent literature [3][4][5]7]. This discussion has revolved around ghost imaging setups, where it has been suggested that damage might be avoided by decreasing the flux on the object branch and increasing the flux into the reference branch.…”

Section: Signal-to-noise Per Dosementioning

confidence: 99%

“…There has been recent interest in the use of multiplex sensing techniques in applications at the atomic scale [1][2][3][4][5][6][7][8]. Traditionally, measurements using x-rays or electrons systematically interrogate a system at a single point in space, time, or photon/electron energy at once before moving on to the next measurement.…”

Section: Introductionmentioning

confidence: 99%

“…Entanglement has been focus of specific studies in ghost imaging -for perspective see [11] -but is not heavily used in current applications. While the idea to use multiplexing in x-ray and electron experiments has only recently started to recieve significant attention, demonstrations at synchrotrons [1][2][3], FELs [7], and electron sources [6] have already been conducted, paving the way for multiplexing to start to impact applied x-ray and electron science.…”

Section: Introductionmentioning

confidence: 99%

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What are the advantages of ghost imaging? Multiplexing for x-ray and electron imaging

Lane¹,

Ratner²

2020

Opt. Express

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Ghost imaging, Fourier transform spectroscopy, and the newly developed Hadamard transform crystallography are all examples of multiplexing measurement strategies. Multiplexed experiments are performed by measuring multiple points in space, time, or energy simultaneously. This contrasts to the usual method of systematically scanning single points. How do multiplexed measurements work and when they are advantageous? Here we address these questions with a focus on applications involving x-rays or electrons. We present a quantitative framework for analyzing the expected error and radiation dose of different measurement scheme that enables comparison. We conclude that in very specific situations, multiplexing can offer improvements in resolution and signal-to-noise. If the signal has a sparse representation, these advantages become more general and dramatic, and further less radiation can be used to complete a measurement.

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Section: Signal-to-noise Per Dosementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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What are the advantages of ghost imaging? Multiplexing for x-ray and electron imaging

Lane¹,

Ratner²

2020

Opt. Express

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“…X-ray ghost imaging has now been demonstrated multiple times [10][11][12][13][14][15][16][17]; however, it is still a developing field. One commonly used technique for current X-ray ghost imaging is to introduce a spatially varied material to produce a "speckle" pattern in the X-ray beam.…”

Section: Introductionmentioning

confidence: 99%

“…Pelliccia et al use type (I) ghost imaging in their first demonstration of X-ray ghost imaging [11]. Alternatively, (II) the observed ghost image is produced from a classical speckle-to-speckle correlation shown with visible light [21][22][23] and with a variety of X-ray sources [12,[14][15][16][17]. Here, a ghost image of the object is obtained from the coincidences between two sets of identical "speckles" formed by either spatially correlated laser beams or an aperture mask following the light source to produce shadows and bright spots distributed on the object plane and on the ghost image (detector) plane.…”

Section: Introductionmentioning

confidence: 99%

Two-photon X-ray ghost microscope

Smith¹,

Wang²,

Shih³

2020

Opt. Express

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Unlike classic imaging devices in the visible spectrum, there are no effective imaging lenses to produce the point-to-point image-forming function for high-energy (short-wavelength) X rays. The X-ray imaging that we are familiar with more closely resembles a projection or "shadow" of the object rather than a point-to-point image. Here, we present an imaging mechanism that produces true point-to-point imaging of X rays through the measurement of two-photon interference intensity fluctuation correlation, which allows for a table-top X-ray microscope by means of a magnified secondary ghost image. In principle, once some experimental barriers are overcome, this X-ray "ghost microscope" may achieve nanometer spatial resolution and open up new capabilities that would be of interest to the fields of physics, material science, and medical imaging.

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Quantum Sensing with Extreme Light

et al. 2022

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Optical nonlinear conversion processes are ubiquitously applied to scientific as well as industrial tasks. In particular, nonlinear processes are employed to generate radiation in many frequency ranges. In plenty of these nonlinear processes, the generation of paired photons occurs -the so-called signal and idler photons. Although this type of generation has undergone a tremendous development over the last decades, either the generated signal or the idler radiation has been used experimentally. In contrast, novel quantum-based measurement principles enable the usage of both partners of the generated photon pairs based on their correlation. These measurement approaches have an enormous potential for future applications, as they allow to transfer information from one spectral range to another. In particular, spectral ranges where photon generation and detection is particularly challenging can benefit from this principle. Above all, these include the extreme frequency ranges, such as on the low-frequency side the mid to far infrared or even the terahertz spectral range, but also on the high-frequency side the ultraviolet or X-ray spectral range. In this review article, theoretical and experimental developments based on correlated biphotons are described specifically for the extreme spectral regions.

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Ghost imaging at an XUV free-electron laser

Cited by 19 publications

References 57 publications

What are the advantages of ghost imaging? Multiplexing for x-ray and electron imaging

What are the advantages of ghost imaging? Multiplexing for x-ray and electron imaging

Two-photon X-ray ghost microscope

Quantum Sensing with Extreme Light

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