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Related papers: Modeling of an Inductive Adder Kicker Pulser for D…

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We have performed the harmonic analysis of the steady-state coherent pulse-stacking process in a high-Q Fabry-Perot cavity. The expression for the stacked pulse shape is obtained as a function of both the laser cavity and pulse-stacking…

Accelerator Physics · Physics 2007-05-23 V. P. Androsov , I. M. Karnaukhov , Yu. N. Telegin

A light-emitting diode (LED) pulser for testing the low-rate response of a photomultiplier tube (PMT) to scintillator-like pulses has been designed, developed, and implemented. This pulser is intended to simulate 80 ns full width at half…

Instrumentation and Detectors · Physics 2015-05-30 M. Friend , G. B. Franklin , B. Quinn

Transition metal dichalcogenide (TMD) bilayers are a new class of tunable moir\'e systems attracting interest as quantum simulators of strongly-interacting electrons in two dimensions. In particular, recent theory predicts that the…

Strongly Correlated Electrons · Physics 2021-01-01 Kevin Slagle , Liang Fu

The PIP-II project is a program to upgrade the Fermilab accelerator complex. The PIP-II linac includes a 2.1 MeV Medium Energy Beam Transport (MEBT) section that incorporates a unique chopping system to perform arbitrary, bunch-by-bunch…

Accelerator Physics · Physics 2018-06-25 G. Saewert , M. H. Awida , B. E. Chase , A. Chen , J. Einstein-Curtis , D. Frolov , K. Martin , H. Pfeffer , D. Wolff , S. Khole , D. Sharma

This paper presents a compact programmable biphasic stimulator for cochlear implants. By employing double-loop negative feedback, the output impedance of the current generator is increased, while maximizing the voltage compliance of the…

Neurons and Cognition · Quantitative Biology 2015-02-03 W. Ngamkham , M. N. van Dongen , W. A. Serdijn , C. J. Bes , J. J. Briaire , J. H. M. Frijns

Dielectric laser accelerators (DLAs) have proven to be good candidates for miniaturized particle accelerators. They rely on micro-fabricated dielectrics which are able to modulate the kinetic energy of the incoming electron beam under a…

A CW-compatible, pulsed H- superconducting linac "PIP-II" is being planned to upgrade Fermilab's injection complex. To validate the front-end concept, a test accelerator (The PIP-II Injector Test, formerly known as "PXIE") is under…

This two-part work puts forth the idea of engaging power electronics to probe an electric grid to infer non-metered loads. Probing can be accomplished by commanding inverters to perturb their power injections and record the induced voltage…

Optimization and Control · Mathematics 2019-03-21 Siddharth Bhela , Vassilis Kekatos , Sriharsha Veeramachaneni

Highly polarized, multi-kiloampere-current electron bunches from compact laser-plasma accelerators are desired for numerous applications. Current proposals to produce these beams suffer from intrinsic limitations to the reproducibility,…

Accelerator Physics · Physics 2023-10-05 Simon Bohlen , Zheng Gong , Michael J. Quin , Matteo Tamburini , Kristjan Põder

To increase the voltage multiplication factor in a small-sized direct-acting electron accelerator DIN-2K with an inductive energy storage and a plasma opening switch, it is necessary to ensure an increase in the rate of change of the…

Accelerator Physics · Physics 2026-01-16 D. V. Vinnikov , O. M. Ozerov , V. V. Katrechko , V. I. Tkachov , O. V. Manuilenko , I. N. Onishchenko

The sensitivity of the fidelity in the kicked rotor to an acceleration is experimentally and theoretically investigated. We used a Bose-Einstein condensate exposed to a sequence of pulses from a standing light wave followed by a single…

Quantum Physics · Physics 2013-05-23 R. K. Shrestha , S. Wimberger , J. Ni , W. K. Lam , G. S. Summy

ATLAS detector at the LHC will undergo a major Phase-II upgrade for the High Luminosity LHC. The upgrade affects all major ATLAS systems, including the Trigger and Data Acquisition systems. As part of the Level-0 Trigger System, the Global…

Instrumentation and Detectors · Physics 2020-10-16 Viacheslav Filimonov , Bruno Bauss , Volker Büscher , Ulrich Schäfer , Duc Bao Ta

An upgrade of the Recycler injection kicker system required a faster rise time pulser. This system required a field rise and fall time of < 57 ns and a field flattop of 1.6 {\mu}s. This paper describes the variety of improvements made over…

Accelerator Physics · Physics 2015-11-05 Chris. C. Jensen

The Proton Improvement Plan II (PIP-II) project is a vital upgrade to the Fermilab accelerator complex. The magnet pulse rate of the PIP-II Injection system requires an increase from the current rate of 15 Hz to 20 Hz as well as a roughly…

We propose a novel Forked-Contacts, Dynamically-Doped Multigate transistor as ultimate scaling booster for both Si and 2D materials in aggressively-scaled nanosheet devices. Using accurate dissipative DFT-NEGF atomistic-simulation…

Mesoscale and Nanoscale Physics · Physics 2022-03-15 Aryan Afzalian , Zubair Ahmed , Julien Ryckaert

A Mott insulator sometimes induces unconventional superconductivity in its neighbors when doped and/or pressurized. Because the phase diagram should be strongly related to the microscopic mechanism of the superconductivity, it is important…

Strongly Correlated Electrons · Physics 2019-05-14 Yoshitaka Kawasugi , Kazuhiro Seki , Satoshi Tajima , Jiang Pu , Taishi Takenobu , Seiji Yunoki , Hiroshi M. Yamamoto , Reizo Kato

An e+e- linear collider at 500-GeV C.M. (center of mass) has been proposed as a future accelerator. The C-band linear collider has more than a thousand klystrons and matching modulators. The linear colliders require smart modulators with…

Accelerator Physics · Physics 2007-05-23 J. S. Oh , J. S. Bak , M. H. Cho , W. Namkung , K. H. Chung , T. Shintake , H. Matsumoto

Power couplers, used in China-ADS proton linac injector I, are required to transfer 6kW RF power to the superconducting Spoke cavities. At present, first two couplers of coaxial design have been fabricated and accomplished high power test…

Instrumentation and Detectors · Physics 2014-03-05 Xu Chen , Fanbo Meng , Tongming Huang , Qiang Ma , Haiying Ling , Weimin Pan

A significant aspect of the Phase-II Upgrade of the ATLAS detector is the replacement of the current Inner Detector with the ATLAS Inner Tracker (ITk). The ATLAS ITk is an all-silicon detector consisting of a pixel tracker and a strip…

A heterojunction Mott field effect transistor (FET) is proposed that consists of an epitaxial channel material that exhibits an electron-correlation-induced Mott metal-to-insulator transition. The Mott material is remotely (modulation)…

Materials Science · Physics 2011-10-20 Junwoo Son , Siddharth Rajan , Susanne Stemmer , S. James Allen