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Gas Electron Multiplier (GEM) is one of the devices for gas amplification and available as an amplification part of detectors for many experiments. A GEM with a 50 $\mu m$ thick insulator is popular and widely used in many experimental…

Instrumentation and Detectors · Physics 2017-01-20 Tomohisa Ogawa , Yumi Aoki

Gas Electron Multiplier (GEM) detector, one of the advanced members of the Micro Pattern Gas Detector (MPGD) group, is widely used in High Energy Physics (HEP) experiments. The high rate handling capability and spatial resolution make it a…

Instrumentation and Detectors · Physics 2023-05-17 S. Chatterjee , A. Sen , R. Paul , S. Sahai , S. Das , S. Biswas

The ELISE test facility hosts a RF negative ion source, equipped with an extraction system which should deliver half the current foreseen for the ITER Neutral Beam Injector, keeping the ratio of co-extracted electrons to ions below 1. An…

Plasma Physics · Physics 2022-11-09 M. Barbisan , U. Fantz , D. Wünderlich

We here show that at lower momentum (i.e., $p_\perp \sim 10$GeV) single particle suppression for different types of probes exhibit a clear mass hierarchy, which is a direct consequence of the differences in the energy loss, rather than the…

Nuclear Theory · Physics 2016-11-23 Magdalena Djordjevic , Bojana Blagojevic , Lidija Zivkovic

Measured damping coefficients of six different perforated micromechanical test structures are compared with damping coefficients given by published compact models. The motion of the perforated plates is almost translational, the surface…

Other Computer Science · Computer Science 2008-12-18 T. Veijola , Giorgio De Pasquale , Aurelio Somà

Micro-electro-mechanical system (MEMS) microphones (mics) with two acoustic ports are currently receiving considerable interest, with the promise of achieving higher directional sensitivity compared to traditional one-port architectures.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-21 Francis Doyon-D'Amour , Carly Stalder , Timothy Hodges , Michel Stephan , Lixiue Wu , Triantafillos Koukoulas , Stephane Leahy , Raphael St-Gelais

One of the scientific objectives of NASA's Fermi Gamma-ray Space Telescope is the study of Gamma-Ray Bursts (GRBs). The Fermi Gamma-Ray Burst Monitor (GBM) was designed to detect and localize bursts for the Fermi mission. By means of an…

Upcoming cosmic microwave background (CMB) experiments aim to detect primordial gravitational waves with unprecedented sensitivity. Effective foreground removal is essential to avoid biases in the measurement of the tensor-to-scalar ratio…

The design of spaceborne high-energy (E>100 MeV) gamma-ray detectors depends on two principal factors: (1) the basic physics of detecting and measuring the properties of the gamma rays; and (2) the constraints of operating such a detector…

Instrumentation and Methods for Astrophysics · Physics 2015-06-26 David J. Thompson

Gamma-ray bursts (GRBs) are attractive objects for constraining the nature of dark energy in a way complementary to other cosmological probes, especially at high redshifts. However, the apparent magnitude of distant GRBs can be distorted by…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 F. Y. Wang , Z. G. Dai

Real-space mapping of doping concentration in semiconductor devices is of great importance for the microelectronic industry. In this work, a scanning microwave impedance microscope (MIM) is employed to resolve the local conductivity…

Mesoscale and Nanoscale Physics · Physics 2013-01-08 Worasom Kundhikanjana , Yongliang Yang , Qiaochu Tang , Kun Zhang Keji Lai , Yue Ma , Mike Kelly , Xinxin Li , Zhi-Xun Shen

Cross-grating phase microscopy (CGM) is a quantitative phase microscopy technique based on the association of a 2-dimensional diffraction grating (cross-grating) and a regular camera sensor, separated by a millimetric distance. This simple…

Optics · Physics 2024-11-04 Baptiste Marthy , Guillaume Baffou

Cosmic shear holds great promise for a precision independent measurement of $\Omega\rm_m$, the mass density of the universe relative to the critical density. The signal is expected to be weak, so a thorough understanding of systematic…

Astrophysics · Physics 2008-11-26 S. Asztalos , W. H. de Vries , L. J Rosenberg , T. Treadway , D. Burke , C. Claver , A. Saha , P. Puxley

We present the first experimental study of mesoscopic fluctuations of Coulomb drag in a system with two layers of composite fermions, which are seen when either the magnetic field or carrier concentration are varied. These fluctuations…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 A. S. Price , A. K. Savchenko , D. A. Ritchie

Gaseous detectors are widely used in high energy physics, and are attractive choices in tracking systems for cosmic muon imaging, also called muography. Such detectors offer high resolution and high efficiency at reasonable cost for large…

Instrumentation and Detectors · Physics 2021-06-30 Gábor Nyitrai , Gergő Hamar , Dezső Varga

Context. Gamma-ray bursts (GRBs) can be detected at cosmological distances and therefore can be used to study the contents and phases of the early Universe. The 4-150 keV wide-field trigger camera ECLAIRs to fly on board the Space-based…

High Energy Astrophysical Phenomena · Physics 2024-05-22 Miguel Llamas Lanza , Olivier Godet , Benjamin Arcier , Manal Yassine , Jean-Luc Atteia , Laurent Bouchet

Recent advancements in micro electro-mechanical systems (MEMS) have enabled the application of digital-output MEMS modules in infrasound monitoring. These modules, combining MEMS pressure sensors and microcontrollers, provide timestamped…

Instrumentation and Detectors · Physics 2026-02-24 Koto Hirano , Hironobu Takahashi , Keisuke Yamada , Hideaki Nozato , Shuichi Sakamoto

We demonstrate a novel optical microresonator gyroscope whose responsivity to rotation is enhanced by a factor of around $10^4$ by operating close to the critical point of a spontaneous symmetry breaking transition between…

A lot of work on clamped circular, square and rectangular shaped capacitive pressure sensor has been carried out. However, to the best of our knowledge, no elaborate work has been performed on mathematical formulation and simulation of…

Applied Physics · Physics 2019-10-02 Rishabh Bhooshan Mishra , S. Santosh Kumar

Weak gravitational lensing of the Cosmic Microwave Background (CMB) changes CMB statistics in a nontrivial way, allowing for reconstruction of the lensing potential and the use of these reconstructed maps in determining cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-23 Cynthia Trendafilova