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Accurate and efficient calculations of absorption spectra of molecules and materials are essential for the understanding and rational design of broad classes of systems. Solving the Bethe-Salpeter equation (BSE) for electron-hole pairs…

Materials Science · Physics 2021-02-18 Sijia S. Dong , Marco Govoni , Giulia Galli

An important tool for the development of the next generation of extremely large telescopes (ELTs) is a robust Systems Engineering (SE) methodology. GMACS is a first-generation multi-object spectrograph that will work at visible wavelengths…

Instrumentation and Methods for Astrophysics · Physics 2018-08-28 D. M. Faes , A. Souza , C. Froning , L. Schmidt , D. Bortoletto , E. Cook , D. L. DePoy , T. -G. Ji , D. Jones , H. -I. Lee , J. L. Marshall , C. M. Oliveira , S. Pak , C. Papovich , T. Prochaska , R. Ribeiro , K. Taylor

The High Altitude Water Cherenkov observatory (HAWC) is an air shower array devised for TeV gamma-ray astronomy. HAWC is located at an altitude of 4100 m a.s.l. in Sierra Negra, Mexico. HAWC consists of 300 Water Cherenkov Detectors, each…

Instrumentation and Methods for Astrophysics · Physics 2018-02-27 HAWC collaboration , A. U. Abeysekara , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , H. A. Ayala Solares , A. S. Barber , B. M. Baughman , N. Bautista-Elivar , J. Becerra Gonzalez , E. Belmont-Moreno , S. Y. BenZvi , D. Berley , M. Bonilla Rosales , J. Braun , R. A. Caballero-Lopez , K. S. Caballero-Mora , A. Carramiñana , M. Castillo , U. Cotti , J. Cotzomi , E. de la Fuente , C. De León , T. DeYoung , J. Diaz-Cruz , R. Diaz Hernandez , J. C. Díaz-Vélez , B. L. Dingus , M. A. DuVernois , R. W. Ellsworth , D. W. Fiorino , N. Fraija , A. Galindo , F. Garfias , M. M. González , J. A. Goodman , V. Grabski , M. Gussert , Z. Hampel-Arias , J. P. Harding , C. M. Hui , P. Hüntemeyer , A. Imran , A. Iriarte , P. Karn , D. Kieda , G. J. Kunde , A. Lara , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , E. C. Linares , J. T. Linnemann , M. Longo Proper , R. Luna-García , K. Malone , A. Marinelli , S. S. Marinelli , O. Martinez , J. Martínez-Castro , H. Martínez-Huerta , J. A. J. Matthews , J. McEnery , E. Mendoza Torres , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , R. Noriega-Papaqui , T. Oceguera-Becerra , B. Patricelli , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , C. Rivière , D. Rosa-González , E. Ruiz-Velasco , J. Ryan , H. Salazar , F. Salesa Greus , F. E. Sanchez , A. Sandoval , M. Schneider , S. Silich , G. Sinni , A. J. Smith , K. Sparks Woodle , R. W. Springer , I. Taboada , P. A. Toale , K. Tollefson , I. Torres , T. N. Ukwatta , L. Villaseñor , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , T. Yapici , G. B. Yodh , P. W. Younk , D. Zaborov , A. Zepeda , H. Zhou

Regulatory limits on Maximum Permissible Exposure (MPE) require handheld devices to reduce transmit power when operated near the user's body. Current proximity sensors provide only binary detection, triggering conservative power back-off…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Marouan Mizmizi , Zhibin Yu , Guanglong Du , Umberto Spagnolini

Energy detector (ED) is a popular choice for distributed cooperative spectrum sensing because it does not need to be cognizant of the primary user (PU) signal characteristics. However, the conventional ED-based sensing usually requires…

Systems and Control · Electrical Eng. & Systems 2024-09-23 Mohammed Rashid , Jeffrey A. Nanzer

The High Energy Stereoscopic System (H.E.S.S.) is one of the currently operating Imaging Atmospheric Cherenkov Telescopes. H.E.S.S. operates in the broad energy range from a few tens of GeV to more than 50 TeV reaching its best sensitivity…

Instrumentation and Methods for Astrophysics · Physics 2021-09-09 Iryna Lypova , David Berge , Stefan Klepser , Dmitriy Kostunin , Stefan Ohm , Stefan Wagner

We report the design of an angular array of electron Time-of-Flight (eToF) spectrometers intended for non-invasive spectral, temporal, and polarization characterization of single shots of high-repetition rate, quasi-continuous,…

Monte Carlo (MC) simulations are powerful computational tools for investigating thermodynamic behavior and validating analytical approaches in complex physical systems. Here we present ETHER (Efficient Tool for THermodynamics Exploration…

Strongly Correlated Electrons · Physics 2026-03-10 Mukesh Kumar Sharma

A systematic approach is presented to exploit the rich field transformation capabilities of Electromagnetic (EM) metasurfaces for creating a variety of illusions using the concept of metasurface holograms. A system level approach to…

Computational Physics · Physics 2020-02-20 Tom. J. Smy , Scott A. Stewart , Shulabh Gupta

The Extreme ultraviolet SpectroPhotometer (ESP) is one of five channels of the Extreme ultraviolet Variability Experiment (EVE) onboard the NASA Solar Dynamics Observatory (SDO). The ESP channel design is based on a highly stable…

Solar and Stellar Astrophysics · Physics 2015-05-14 Leonid Didkovsky , Darrell Judge , Seth Wieman , Tom Woods , Andrew Jones

An improved mean squared error (MSE) minimization solution based on eigenvector decomposition approach is conceived for wideband non-orthogonal multiple-access based computation over multi-access channel (NOMA-CoMAC) framework. This work…

Signal Processing · Electrical Eng. & Systems 2022-01-04 Michel Kulhandjian , Gunes Karabulut Kurt , Hovannes Kulhandjian , Halim Yanikomeroglu , Claude D'Amours

A common target acquisition strategy with the Faint Object Spectrograph (FOS) on board the Hubble Space Telescope (HST) is to use a sequence of so-called ACQ/PEAK stages. Standard sequences and exposure times are given in the FOS Instrument…

Astrophysics · Physics 2007-05-23 Roeland P. van der Marel

With an increase in the application of ultra-wideband (UWB) electromagnetic pulses in the communications industry, radar, biotechnology and medicine, comes an interest in UWB exposure safety standards. Despite an increase of the scientific…

Medical Physics · Physics 2007-11-07 Neven Simicevic

Motional Stark effect (MSE) spectroscopy represents a unique diagnostic tool capable of determining the magnitude of the magnetic field and its direction in the core of fusion plasmas. The primary excitation channel for fast hydrogen atoms…

Atomic Physics · Physics 2020-03-06 Oleksandr Marchuk , David R. Schultz , Yuri Ralchenko

A primary goal of NASA's Habitable Worlds Observatory (HWO) mission concept is to explore the Habitable Zones (HZ) of ~100 stellar systems and acquire spectra of ~25 terrestrial-type planets (with planet/star flux ratios on the order of…

Instrumentation and Methods for Astrophysics · Physics 2026-01-13 Sarah Steiger , Pin Chen , Laurent Pueyo

We are developing large TES arrays in combination with FDM readout for the next generation of X-ray space observatories. For operation under AC-bias, the TESs have to be carefully designed and optimized. In particular, the use of high…

The electron cyclotron emission (ECE) in fusion devices is non-trivial to model in detail at frequencies well below the fundamental resonance where the plasma is optically thin. However, doing so is important for evaluating the background…

Massive machine type communication (mMTC) is one of the three fifth generation mobile networking (5G) key usage scenarios, which is characterized by a very large number of connected devices typically transmitting a relatively low volume of…

Signal Processing · Electrical Eng. & Systems 2018-05-11 Feilong Wang , Yuyan Zhang , Hui Zhao , Hanyuan Huang , Jing Li

The future 100-km circular collider FCC at CERN is planned to operate in one of its modes as an electron-positron FCC-ee machine. We give an overview comparing the theoretical status to the experimental demands of one of four foreseen…

The Large High Altitude Air Shower Observatory (LHAASO) is designed for high energy gamma ray and cosmic ray detection. A Water Cherenkov Detector Array which is sensitive to gamma ray showers above a few hundred GeV is proposed to survey…

Instrumentation and Detectors · Physics 2016-03-14 Jianfeng Liu , Lei Zhao , Li Yu , Yu Liang , Jiajun Qin , Yunfang Yang , Weihao Wu , Shubin Liu , Qi An
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