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The focused helium ion beam microscope is a versatile imaging and nanofabrication instrument enabling direct-write lithography with sub-10-nm resolution. Subsurface damage and swelling of substrates due to helium ion implantation is…

Applied Physics · Physics 2024-10-08 Sherry Mo , Dana O. Byrne , Frances I. Allen

Thin planar pixel modules are promising candidates to instrument the inner layers of the new ATLAS pixel detector for HL-LHC, thanks to the reduced contribution to the material budget and their high charge collection efficiency after…

Instrumentation and Detectors · Physics 2016-09-21 Anna Macchiolo , Richard Nisius , Natascha Savic , Stefano Terzo

Layered materials (LMs) are at the centre of an ever increasing research effort due to their potential use in a variety of applications. The presence of imperfections, such as bi- or multilayer areas, holes, grain boundaries, isotropic and…

Scattering-type scanning near-field optical microscopy (s-SNOM) allows for nanoscale resolved Infrared (IR) and Terahertz (THz) imaging, and thus has manifold applications ranging from materials to biosciences. However, a quantitatively…

We report on a recent paper (Wei\ss\ \& Buchert 1993), where we carry out pencil beam constructions in a high-resolution simulation of the large-scale structure of galaxies. As an example we present the results for the case of…

Astrophysics · Physics 2007-05-23 A. G. Weiss , T. Buchert

We report resolution enhancement in scanning electron microscopy (SEM) images using a generative adversarial network. We demonstrate the veracity of this deep learning-based super-resolution technique by inferring unresolved features in…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Kevin de Haan , Zachary S. Ballard , Yair Rivenson , Yichen Wu , Aydogan Ozcan

Integration of metasurfaces with guided mode sources like waveguides have opened new frontiers for on-chip optical integration. However, the state-of-the-art in the field has targeted applications where long focal distances over thousands…

Optics · Physics 2024-03-05 Hrishikesh Iyer , Yurii Vlasov

We present a pair of optimized objective lenses with long working distances of 117~mm and 65~mm respectively that offer diffraction limited performance for both Cs and Rb wavelengths when imaging through standard vacuum windows. The designs…

Optics · Physics 2016-07-27 J. D. Pritchard , J. A. Isaacs , M. Saffman

For x-ray spot sizes of a few tens of microns or smaller, a mm-sized flat analyzer crystal placed ~ 1 cm from the sample will exhibit high energy resolution while subtending a collection solid angle comparable to that of a typical…

Materials Science · Physics 2009-11-13 B. Dickinson , G. T. Seidler , Z. W. Webb , J. A. Bradley , K. P. Nagle , S. M. Heald , R. A. Gordon , I. M. Chou

We introduce a scattering-type scanning near-field infrared microscope (s-SNIM) for the local scale near- field sample analysis and spectroscopy from room (RT) down to liquid helium (LHe) temperatures. The extension of s-SNIM down to T = 5K…

Instrumentation and Detectors · Physics 2018-03-02 D. Lang , J. Döring , T. Nörenberg , A. Butykai , I. Kézsmárki , H. Schneider , S. Winnerl , M. Helm , S. C. Kehr , L. M. Eng

Pseudo-heterodyne scattering-type scanning near-field optical microscopy (sSNOM) is applied in the mid-infrared region to detect the chemical composition of biomolecules on the nanoscale. However, the application of sSNOM in molecular…

Instrumentation and Detectors · Physics 2025-08-06 Yusuke Sakiyama , Emanuel Pfitzner , Santiago H. Andany , Georg E. Fantner , Joachim Heberle

Scanning tunneling microscopy (STM) and micro-electromechanical systems (MEMS) have traditionally addressed vastly different length scales - one resolving atoms, the other engineering macroscopic motion. Here we unite these two fields to…

Mesoscale and Nanoscale Physics · Physics 2026-01-09 R. J. G. Elbertse , M. Xu , A. Keşkekler , S. Otte , R. A. Norte

Microscopic analysis of micro particles in situ in diverse water environments is necessary for monitoring water quality and localizing contamination sources. Conventional sensors such as optical microscopes and fluorometers often require…

Robotics · Computer Science 2019-11-26 Kevin Mallery , Dario Canelon , Jiarong Hong , Nikolaos Papanikolopoulos

Glass materials play an increasingly important role in advanced technologies due to their superior physical properties. However, precise machining of glass remains a major challenge because of its brittleness and sensitivity to thermal and…

Coherent diffractive imaging is unique as the only route for achieving diffraction-limited spatial resolution in the extreme ultraviolet and X-ray regions, limited only by the wavelength of the light. Recently, advances in coherent short…

A low-temperature ultra-high vacuum scanning probe microscopy (SPM) system with molecular beam epitaxy capability and optical access was conceived, built, and tested in our lab. The design of the whole system is discussed here, with special…

Instrumentation and Detectors · Physics 2021-03-09 Ze-Bin Wu , Zhao-Yan Gao , Xi-Ya Chen , Yu-Qing Xing , Huan Yang , Geng Li , Ruisong Ma , Aiwei Wang , Jiahao Yan , Chengmin Shen , Shixuan Du , Qing Huan , Hong-Jun Gao

A cryo scanning transmission X-ray microscope, the cryo-STXM, has been designed and commissioned at the Canadian Light Source synchrotron. The instrument is designed to operate from 100 - 4000 eV (lambda = 12.4 - 0.31 nm). Users can insert…

Lattice strain measurement of nanoscale semiconductor devices is crucial for the semiconductor industry as strain substantially improves the electrical performance of transistors. High resolution scanning transmission electron microscopy…

Among super-resolution microscopy techniques, structured illumination microscopy (SIM) shows great advances of low phototoxicity, high speed, and excellent performance in long-term dynamic observation, making it especially suitable for live…

Optics · Physics 2025-02-07 Han Wang , Wenshu Wang , Xinzhu Xu , Meiqi Li , Peng Xi

With the advent of microsphere assisted microscopy in 2011, this technique emerged as a simple and easy way to obtain optical super-resolution. Although the possible mechanisms of imaging by microspheres are debated in the literature, most…

Optics · Physics 2015-08-27 Navid Farahi