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Driven by the need for describing and understanding wave propagation in structural materials and components, several analytical, numerical, and experimental techniques have been developed to obtain dispersion curves. Accurate…

Signal Processing · Electrical Eng. & Systems 2020-02-26 Mohammad I. Albakri , Vijaya V. N. Sriram Malladi , Serkan Gugercin , Pablo A. Tarazaga

We have setup a simple field mapping measure system to describe graphically the 2D quasi-free-space electromagnetic wave in a parallel plate waveguide at the X-band frequencies. Our apparatus illustrates a potential application in…

Optics · Physics 2009-11-13 L. Zhao , X. Chen , C. K. Ong

Integrated photonic biosensors provide compact, highly sensitive, and label-free platforms for biochemical detection, making them attractive for on-chip and real-time sensing applications. However, their design remains challenging due to…

Optics · Physics 2026-02-24 Yasaman Torabi , Amirali Ekhteraei , Mohammad Khajezadeh

This paper discusses the science case for a sensitive spectro-polarimetric survey of the microwave sky. Such a survey would provide a tomographic and dynamic census of the three-dimensional distribution of hot gas, velocity flows, early…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-09 Jacques Delabrouille , Maximilian H. Abitbol , Nabila Aghanim , Yacine Ali-Haimoud , David Alonso , Marcelo Alvarez , Anthony J. Banday , James G. Bartlett , Jochem Baselmans , Kaustuv Basu , Nicholas Battaglia , Jose Ramon Bermejo Climent , Jose L. Bernal , Matthieu Béthermin , Boris Bolliet , Matteo Bonato , François R. Bouchet , Patrick C. Breysse , Carlo Burigana , Zhen-Yi Cai , Jens Chluba , Eugene Churazov , Helmut Dannerbauer , Paolo De Bernardis , Gianfranco De Zotti , Eleonora Di Valentino , Emanuela Dimastrogiovanni , Akira Endo , Jens Erler , Simone Ferraro , Fabio Finelli , Dale Fixsen , Shaul Hanany , Luke Hart , Carlos Hernandez-Monteagudo , J. Colin Hill , Selim C. Hotinli , Kenichi Karatsu , Kirit Karkare , Garrett K. Keating , Ildar Khabibullin , Alan Kogut , Kazunori Kohri , Ely D. Kovetz , Guilaine Lagache , Julien Lesgourgues , Mathew Madhavacheril , Bruno Maffei , Nazzareno Mandolesi , Carlos Martins , Silvia Masi , John Mather , Jean-Baptiste Melin , Azadeh Moradinezhad Dizgah , Tony Mroczkowski , Suvodip Mukherjee , Daisuke Nagai , Mattia Negrello , Nathalie Palanque-Delabrouille , Daniela Paoletti , Subodh P. Patil , Francesco Piacentini , Srinivasan Raghunathan , Andrea Ravenni , Mathieu Remazeilles , Vincent Revéret , Louis Rodriguez , Aditya Rotti , Jose-Alberto Rubino Martin , Jack Sayers , Douglas Scott , Joseph Silk , Marta Silva , Tarun Souradeep , Naonori Sugiyama , Rashid Sunyaev , Eric R. Switzer , Andrea Tartari , Tiziana Trombetti , Inigo Zubeldia

The far-field subwavlength imaging is a challenging issue. In this letter we demonstrate numerically that the far-field subwavelength imaging of weakly scattering objects can be obtained by processing the data acquired by a single antenna,…

Optics · Physics 2014-01-20 Lianlin Li , Fang Li , Tie Jun Cui

This paper proposes a polyline shaped array based system scheme, associated with mechanical scanning along the perpendicular direction of the array, for near-field millimeter-wave (MMW) imaging. Each section of the polyline is a chord of a…

Signal Processing · Electrical Eng. & Systems 2021-09-08 Shuoguang Wang , Shiyong Li , Guoqiang Zhao , Houjun Sun

Fluorescence microscopy has become a widely used tool for studying various biological structures of in vivo tissue or cells. However, quantitative analysis of these biological structures remains a challenge due to their complexity which is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Soonam Lee , Chichen Fu , Paul Salama , Kenneth W. Dunn , Edward J. Delp

We use a numerical electromagnetic simulation software to investigate a filtering device consisting of a small dimensional microstrips embedded with a thin layer of ferromagnetic material and we compare our results to experimental results.…

Materials Science · Physics 2008-02-20 Jonah N. Gollub , Bijoy Kuanr , Zibigniew Celinski , Robert Camley , David R. Smith

Nano-machines circulating inside the human body, collecting data on tissue conditions, represent a vital part of next-generation medical diagnostic systems. However, for these devices to operate effectively, they need to relay not only…

Information Retrieval · Computer Science 2025-09-16 Krzysztof Skos , Albert Diez Comas , Josep Miquel Jornet , Pawel Kulakowski

This paper reviews opportunities for using electron microscopy in various gas atmospheres for the analysis and morpho-physiological modification of biological structures. The approaches that allow varying the gaseous phase content, as well…

Instrumentation and Detectors · Physics 2018-08-02 O. V. Gradov , M. A. Gradova

Near-field microwave microscopy has created the opportunity for a new class of electrodynamics experiments of materials. Freed from the constraints of traditional microwave optics, experiments can be carried out at high spatial resolution…

Materials Science · Physics 2007-05-23 Steven M. Anlage , D. E. Steinhauer , B. J. Feenstra , C. P. Vlahacos , F. C. Wellstood

Advanced microwave technologies constitute the foundation of a wide range of modern sciences, including quantum computing, microwave photonics, spintronics, etc. To facilitate the design of chip-based microwave devices, there is an…

Magnetic Particle Imaging is an emerging imaging modality through which it is possible to detect tracers containing superparamagnetic nanoparticles. The exposure of the particles to dynamic magnetic fields generates a non-linear response…

Numerical Analysis · Mathematics 2024-06-19 Vladyslav Gapyak , Thomas März , Andreas Weinmann

Fiber imaging bundles are widely used as thin, passive image conduits for miniaturised and endoscopic microscopy, particularly for confocal fluorescence imaging. Holographic microscopy through fiber bundles is more challenging; phase…

Optics · Physics 2020-10-28 Michael R Hughes

Multiple-input multiple-output (MIMO) array based millimeter-wave (MMW) imaging has a tangible prospect in applications of concealed weapons detection. A near-field imaging algorithm based on wavenumber domain processing is proposed for a…

Signal Processing · Electrical Eng. & Systems 2021-01-25 Shiyong Li , Shuoguang Wang , Moeness G. Amin , Guoqiang Zhao

This paper is devoted to the algorithmic development of inverse elastic scattering problems. We focus on reconstructing the locations and shapes of elastic scatterers with known dictionary data for the nearly incompressible materials. The…

Analysis of PDEs · Mathematics 2017-11-02 Li Jingzhi , Liu Hongyu , Sun Hongpeng

Chemical imaging provides information about the distribution of chemicals within a target. When combined with structural information about the target, in situ chemical imaging opens the door to applications ranging from tissue…

Image and Video Processing · Electrical Eng. & Systems 2020-12-02 Luke Pfister , Rohit Bhargava , Yoram Bresler , P. Scott Carney

Medical ultrasound provides images which are the spatial map of the tissue echogenicity. Unfortunately, an ultrasound image is a low-quality version of the expected Tissue Reflectivity Function (TRF) mainly due to the non-ideal Point Spread…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Sobhan Goudarzi , Hassan Rivaz

An analytical method for the visualization and prediction of trapped-mode resonances based on the dimensions of a dispersive microwave network is described. The method as explained is intuitive, easy to implement, and has proven itself to…

Instrumentation and Methods for Astrophysics · Physics 2012-12-14 Matthew A. Morgan , Shing-Kuo Pan

Wave velocity is a key parameter for imaging complex media, but in vivo measurements are typically limited to reflection geometries, where only backscattered waves from short-scale heterogeneities are accessible. As a result, conventional…

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