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An experimental testbed has been constructed to assess the capabilities of Light-Wave Sensing, a promising new vitals monitoring approach. A Light-Wave Sensing apparatus utilizes infrared radiation to contactlessly monitor the subtle…

Medical Physics · Physics 2023-11-08 Brenden Martin , Md Zobaer Islam , Carly Gotcher , Tyler Martinez , Sabit Ekin , John F. O'Hara

UV lasers for the calibration of gaseous detectors have seen newfound employment with current-generation micro-pattern gaseous detectors (MPGDs), especially those devices not suitable for tests with traditional sources (e.g. cosmic rays or…

Instrumentation and Detectors · Physics 2020-04-06 Antonello Pellecchia , Antonio Ranieri , Piet Verwilligen

JEM-EUSO is an international collaboration for the development of space--based Ultra High Energy Cosmic Ray (UHECR) detectors. The instrument consists of a wide Field Of View (FOV) camera for the detection of the UV light emitted by…

High Energy Astrophysical Phenomena · Physics 2017-03-07 Francesco Fenu

Gated wires are widely used in Time Projection Chamber (TPC) to avoid ion back-flow (IBF) in the drift volume. The anode wires can provide stable gain at high voltage with a long lifetime. However, switching on and off the gated grid (GG)…

Instrumentation and Detectors · Physics 2019-07-24 Shuai Wang , Fuwang Shen , Xiao Zhao , Zhihang Zhu , Fangang Kong , Changyu Li , Qinghua Xu , Zhangbu Xu , Chi Yang , Chengguang Zhu

With the aid of COMSOL multiphysics simulations, a compact microwave plasma reactor operated at 2.45 GHz frequency has been designed for diamond film deposition. The reactor consists of a cylindrical cavity that resonates in the fundamental…

Transmission electron microscopy (TEM) of vitrified biological macromolecules (cryo-EM) is limited by the weak phase contrast signal that is available from such samples. Using a phase plate would thus substantially improve the…

Hybrid quantum photonics combines classical photonics with quantum emitters in a postprocessing step. It facilitates to link ideal quantum light sources to optimized photonic platforms. Optical cavities enable to harness the Purcell-effect…

We present a passive ultraviolet charge management system for the fused silica test masses in ground-based laser interferometric gravitational wave detectors. The system uses photoelectron emission from low work-function gold coatings…

Instrumentation and Detectors · Physics 2025-09-26 Saps Buchman , Suwen Wang , Shallendar Saraf

In this paper we introduce a new diagnostic technique that uses prominence EUV and UV absorption to determine the prominence plasma electron temperature and column emission measure, as well as He/H relative abundance; if a realistic…

Solar and Stellar Astrophysics · Physics 2015-06-11 E. Landi , F. Reale

For decades, searches for electroweak-scale dark matter (DM) have been performed without a definitive detection. This lack of success may hint that DM searches have focused on the wrong mass range. A proposed candidate beyond the canonical…

High Energy Astrophysical Phenomena · Physics 2022-10-26 Donggeun Tak , Matthew Baumgart , Nicholas L. Rodd , Elisa Pueschel

We show that enhanced turbulent mixing can be used to mitigate airborne COVID-19 transmission by dispersing virus-laden clouds in enclosed, poorly ventilated spaces. A simple system of fan-driven turbulent jets is designed so as to minimize…

Fluid Dynamics · Physics 2022-01-20 Justin Tahmassebpur , Patrick H. Diamond

A typical surface-enhanced Raman scattering (SERS) system relies on deeply subwavelength field localization in nanoscale plasmonic cavities to enhance both the excitation and emission of Raman-active molecules. Here, we demonstrate that a…

Quantum Physics · Physics 2025-05-27 Mikolaj K. Schmidt , Alexander A. High , Michael J. Steel

The Beam Dump Facility (BDF) is a planned fixed-target installation in CERN's North Area, set to start operating in 2031. A proton beam of 400 GeV/c will be delivered in 1 s pulses of 4e13 protons every 7.2 s, amounting to 4e19 protons on…

Photoelectron spectroscopy (PES) and microscopy are highly demanded for exploring morphologically complex solid-gas and solid-liquid interfaces under realistic conditions, but the very small electron mean free path inside the dense media…

The pandemic caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has affected countries all across the world, heavily burdening the medical infrastructure with the growing number of patients affected by the coronavirus…

The THGEMs based on ceramic substrate were developed successfully for neutron and single photon detection. The influences on thermal neutron scattering and the internal radioactivity of both ceramic and FR-4 substrates were studied and…

Instrumentation and Detectors · Physics 2014-10-21 Jia-Qing Yan , Yu-Guang Xie , Tao Hu , Jun-Guang Lu , Li Zhou , Guo-Pu Qu , Xiao Cai , Shun-Li Niu , Hai-Tao Chen

Strain-level identification of viruses is critical for effective public health responses to potential outbreaks, yet current diagnostic methods often lack the necessary speed or sensitivity. Surface-enhanced Raman spectroscopy (SERS) offers…

A modified version of a micro scale atmospheric pressure plasma jet (\mu-APPJ) source, so-called X-Jet, is used to study the role of plasma generated VUV photons in the inactivation of E. coli bacteria. The plasma is operated in He gas or a…

We devise an ab initio formalism for the quantum dynamics of Auger decay by laser-dressed atoms which are inner-shell ionized by extreme ultraviolet (XUV) light. The optical dressing laser is assumed to be sufficiently weak such that…

Atomic Physics · Physics 2009-11-06 Christian Buth , Kenneth J. Schafer

We present the first micropattern gaseous detector that employs a small 3D-printed Thick-GEM as its sole gain element. The detector can achieve sufficient gas gain for regular operation without the need for pre-amplification by additional…

Instrumentation and Detectors · Physics 2025-11-11 J. Collins , M. Hohlmann