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Related papers: Multimode Objective Lens for Momentum Microscopy a…

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Modern and future particle accelerators employ increasingly higher intensity and brighter beams of charged particles and become operationally limited by coherent beam instabilities. Usual methods to control the instabilities, such as…

Accelerator Physics · Physics 2017-10-04 Vladimir Shiltsev , Yuri Alexahin , Alexey Burov , Alexander Valishev

High-brightness X-ray Free Electron Lasers (FELs) produce spatially and temporally coherent pulses on attosecond to femtosecond timescales, providing a transformative tool for discovery across biology, chemistry, physics, and materials…

Accelerator Physics · Physics 2026-03-20 Ji Qiang

The main attractions of studying the bosonic sector of the electroweak standard model and its extensions at a future high energy photon collider are reviewed. A presentation of the laser scheme for obtaining such a collider is given where…

High Energy Physics - Phenomenology · Physics 2008-02-03 M. Baillargeon , G. Belanger , F. Boudjema

The Rayleigh limit has so far applied to all microscopy techniques that rely on linear optical interaction and detection in the far field. Here we demonstrate that detecting the light emitted by an object in higher-order transverse…

Micro-LEDs ($\mu$LEDs) are poised to transform AR/VR, display, and optical communication technologies, but they are currently hindered by low light extraction efficiency and non-directional emission. Our study introduces an innovative…

Optics · Physics 2024-12-19 Alexander Luce , Rasoul Alaee , Aimi Abass

The theoretical approach to describe the defocusing microscopy technique by U. Agero et al. [Phys. Rev. E {\bf 67}, 051904 (2003)] assumes that the size of the objective lens aperture is infinite. This treatment gives that the intensity at…

Recent studies of the performance of radio-frequency (RF) copper cavities operated at cryogenic temperatures have shown a dramatic increase in the maximum achievable surface electric field. We propose to exploit this development to enable a…

3D vision is of paramount importance for numerous applications ranging from machine intelligence to precision metrology. Despite much recent progress, the majority of 3D imaging hardware remains bulky and complicated and provides much lower…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Zicheng Shen , Feng Zhao , Yibo Ni , Yuanmu Yang

Point Projection Microscopy (PPM) is used to image suspended graphene using low-energy electrons (100-200eV). Because of the low energies used, the graphene is neither damaged or contaminated by the electron beam. The transparency of…

Mesoscale and Nanoscale Physics · Physics 2015-03-18 J. Y. Mutus , L. Livadaru , J. T. Robinson , R. Urban , M. H. Salomons , M. Cloutier , P. E. Sheehan , R. A. Wolkow

We have been developing an x-ray imaging system, Multi-Image X-ray Interferometer Module (MIXIM), to achieve a high angular resolution with a compact system size. MIXIM is comprised of a mask with equally-spaced apertures and an x-ray…

Instrumentation and Methods for Astrophysics · Physics 2024-10-02 Kazunori Asakura , Kiyoshi Hayashida , Tomokage Yoneyama , Hirofumi Noda , Marina Yoshimoto , Tomohiro Hakamata , Hironori Matsumoto , Hiroshi Tsunemi

The LUXE experiment aims at studying high-field QED in electron-laser and photon-laser interactions, with the 16.5 GeV electron beam of the European XFEL and a laser beam with power of up to 350 TW. The experiment will measure the spectra…

High Energy Physics - Experiment · Physics 2022-09-30 Arka Santra

We have designed, built, and characterized a high-resolution objective lens that is compatible with an ultra-high vacuum environment. The lens system exploits the principle of the Weierstrass-sphere solid immersion lens to reach a numerical…

Instrumentation and Detectors · Physics 2017-04-05 Carsten Robens , Stefan Brakhane , Wolfgang Alt , Felix Kleißler , Dieter Meschede , Geol Moon , Gautam Ramola , Andrea Alberti

We outline some of the highlights of the scientific case for the advancement of stellar high energy physics using the Line Emission Mapper X-ray Probe ({\it LEM}). The key to advancements with LEM lie in its large effective area -- up to…

We evaluate the ability of future cosmic microwave background (CMB) experiments to measure the power spectrum of large scale structure using quadratic estimators of the weak lensing deflection field. We calculate the sensitivity of upcoming…

Astrophysics · Physics 2009-11-13 Julien Lesgourgues , Laurence Perotto , Sergio Pastor , Michel Piat

Beam dump experiments represent an effective way to probe new physics in a parameter space, where new particles have feeble couplings to the Standard Model sector and masses below the GeV scale. The LUXE experiment, designed primarily to…

Diffraction-limited images can be obtained with a large optical telescope using interferometry. One such method for objects of sufficient brightness is non-redundant masking (NRM), in which observations are made through a pupil mask that…

Astrophysics · Physics 2009-10-31 Timothy R. Bedding

In principle, diffractive optics, particularly Phase Fresnel Lenses (PFLs), offer the ability to construct large, diffraction-limited, and highly efficient X-ray/$\gamma$-ray telescopes, leading to dramatic improvement in angular resolution…

We report on the development of a large-volume, wide field-of-view time projection chamber (TPC) for X-ray polarimetry, featuring a triple-GEM amplification stage and optical readout. Originally developed within the CYGNO program for…

This paper presents a motion-free technique for characterizing the focal length of any spherical convex or concave lens. The measurement system uses a Gaussian Beam from a Laser Source (LS), an Electronically Controlled Variable Focus Lens…

Instrumentation and Detectors · Physics 2016-01-20 Syed Azer Reza , Arslan Anjum

Achieving strong focusing of MeV electron beams is a critical requirement for advanced beam applications such as compact laboratory X-ray sources, high gradient accelerators, and ultrafast electron scattering instrumentation. To address…

Accelerator Physics · Physics 2025-05-01 T. Xu , C. J. R. Duncan , P. Denham , B. H. Schaap , A. Kulkarni , D. Garcia , S. D. Anderson , P. Musumeci , R. J. England
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