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Related papers: Ion and Electron Ghost Imaging

200 papers

We present an experimental demonstration of a single-shot, non-destructive electron beam diagnostic based on the ionization of a low-density pulsed gas jet. In our study, 7~MeV electron bunches from a radio frequency (RF) photoinjector,…

Instrumentation and Detectors · Physics 2024-11-26 Paul Denham , Alex Ody , Pietro Musumeci , Nathan Burger , Nathan Cook , Gerard Andonian

Computational ghost imaging relies on the decomposition of an image into patterns that are summed together with weights that measure the overlap of each pattern with the scene being imaged. These tasks rely on a computer. Here we…

Neurons and Cognition · Quantitative Biology 2019-03-27 Alessandro Boccolini , Alessandro Fedrizzi , Daniele Faccio

Electron microscopy based on high-energy electrons allows nanoscopic analytical imaging taking advantage of secondarily generated particles. Especially for cathodoluminescence, the correlation between primary incident electrons and emitted…

Instrumentation and Detectors · Physics 2025-01-28 Sotatsu Yanagimoto , Naoki Yamamoto , Tatsuro Yuge , Hikaru Saito , Keiichirou Akiba , Takumi Sannomiya

In this paper, we propose an advanced framework of ghost edge imaging, named compressed ghost edge imaging (CGEI). In the scheme, a set of structured speckle patterns with pixel shifting are illuminated on an unknown object, and the output…

Image and Video Processing · Electrical Eng. & Systems 2019-07-24 Hui Guo , Le Wang , Shengmei Zhao

Due to the high penetrating power of cosmic ray muons, they can be used to probe very thick and dense objects. As charged particles, they can be tracked by ionization detectors, determining the position and direction of the muons. With…

Image and Video Processing · Electrical Eng. & Systems 2024-10-11 Jesus J. Valencia , Adam A. Hecht , C. L. Morris , E. Guardincerri , D. Poulson , J. Bacon , J. M. Durham

Ultraintense pulses from X-ray free-electron lasers can drive, within femtoseconds, multiple processes in the inner shells of atoms and molecules in all phases of matter. The ensuing complex ionization pathways of outer-shell electrons from…

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,…

Applied Physics · Physics 2020-04-22 Thomas J. Lane , Daniel Ratner

We present a simple diode laser-based photoionization scheme for generating electrons and ions with well-defined spatial and energetic (<2 eV) structures. This scheme can easily be implemented into ion or electron imaging spectrometers for…

Instrumentation and Detectors · Physics 2017-07-24 A. Wituschek , J. von Vangerow , J. Grzesiak , F. Stienkemeier , M. Mudrich

We analytically show that it is possible to perform coherent imaging by using the classical correlation of two beams obtained by splitting incoherent thermal radiation. A formal analogy is demonstrated between two such classically…

Quantum Physics · Physics 2007-05-23 A. Gatti , E. Brambilla , M. Bache , L. A. Lugiato

We demonstrate a spatial-imaging thermometry technique for ions in a one-dimensional Coulomb crystal by relating their imaged spatial extent along the linear radiofrequency ion trap axis to normal modes of vibration of coupled oscillators…

Atomic Physics · Physics 2016-02-11 V. Rajagopal , J. P. Marler , M. G. Kokish , B. C. Odom

The absorption of a photon and the emission of an electron is not a simple, two-particle process. The complicated many-electron features observed during core photo-ionization can therefore reveal many of the hidden secrets about the ground…

Strongly Correlated Electrons · Physics 2018-07-04 J. C. Woicik , J. M. Ablett , N. F. Quackenbush , A. K. Rumaiz , C. Weiland , T. C. Droubay , S. A. Chambers

Secondary electron (SE) imaging offers a powerful complementary capabilities to conventional scanning transmission electron microscopy (STEM) by providing surface-sensitive, pseudo-3D topographic information. However, contrast…

Applied Physics · Physics 2025-11-19 Evgenii Vlasov , Wouter Heyvaert , Tom Stoops , Sandra Van Aert , Johan Verbeeck , Sara Bals

Photoelectron holography constitutes a powerful tool for the ultrafast imaging of matter, as it combines high electron currents with subfemtosecond resolution, and gives information about transition amplitudes and phase shifts. Similarly to…

Atomic Physics · Physics 2020-02-19 C. Figueira de Morisson Faria , A. S. Maxwell

When an ionic liquid adsorbs onto a porous electrode, its ionic arrangement is deeply modified due to a screening of the Coulombic interactions by the metallic surface and by the confinement imposed upon it by the electrode's morphology. In…

Complex oxide interfaces have been one of the central focuses in condensed matter physics and material science. Over the past decade, aberration corrected scanning transmission electron microscopy and spectroscopy has proven to be…

Strongly Correlated Electrons · Physics 2021-04-29 Hangwen Guo , Mohammad Saghayezhian , Zhen Wang , Yimei Zhu , Jiandi Zhang , Ward Plummer

The photoelectric effect consists in the photoexcitation of electrons above a potential barrier at a material interface and is exploited for photodetection over a wide frequency range. This three-dimensional process has an inherent…

In this paper we present a mathematical analysis of the photoelectric effect for one-electron atoms in the framework of non-relativistic QED. We treat photo-ionization as a scattering process where in the remote past an atom in its ground…

Mathematical Physics · Physics 2015-05-14 Marcel Griesemer , Heribert Zenk

The quantum properties of matter and radiation can be leveraged to surpass classical limits of sensing and detection. Quantum optics does so by creating and measuring nonclassical light. However, better performance requires higher…

Quantum Physics · Physics 2025-05-12 Cruz I. Velasco , F. Javier García de Abajo

Ghost imaging allows to image an object without directly seeing this object. Origi- nally demonstrated in the spatial domain using classical or entangled-photon sources, it was recently shown that ghost imaging can be transposed into the…

Efficient conversion of photons to electrical energy has a wide variety of applications including imaging, energy harvesting, and infrared detection. The coupling of electromagnetic radiation to free electron oscillations at a metal…

Applied Physics · Physics 2018-02-14 Shiva Piltan , Dan Sievenpiper