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Standard optical pump-probe methods analyze a system's temporal response to a laser pulse within sub-femtoseconds to several nanoseconds, constrained by the optical delay line's length. While resistance is a sensitive detector in various…

Instrumentation and Detectors · Physics 2024-04-26 M. I. Blumenau , A. Yu. Kuntsevich

In many physical experiments and applications with photomultiplier tubes (PMTs), high-speed pulse digitalization is used extensively. The current pulse from a PMT has a rising time of several to a hundred nanoseconds. The current pulse…

Instrumentation and Detectors · Physics 2019-10-08 Tao Xue , Jinfu Zhu , Guanghua Gong , Liangjun Wei , Jianmin Li

The focusing strength of plasma lenses used with high energy electron or positron beams can give rise to synchrotron radiation with critical energies in the MeV range. A method is described for measuring the characteristic energy of this…

High Energy Physics - Experiment · Physics 2009-11-07 Clive Field , Gholam Mazaheri , Johnny S. T. Ng

In the Energy Frontier we suggest developing high rate (100 MHz) finely segmented forward calorimetry preradiators with time resolution <50 ps which will survive the first 1-2 Lint of incident high radiation doses, protecting forward…

Instrumentation and Detectors · Physics 2022-03-21 David R Winn , Yasar Onel

Silicon Photomultipliers with cell-pitch ranging from 12 $\mu$m to 20 $\mu$m were tested against neutron irradiation at moderate fluences to study their performance for calorimetric applications. The photosensors were developed by FBK…

With the development of laser technologies, nuclear reactions can happen in high-temperature plasma environments induced by lasers and have attracted a lot of attention from different physical disciplines. However, studies on nuclear…

Instrumentation and Detectors · Physics 2021-06-18 Po Hu , Zhiguo Ma , Kai Zhao , Guoqiang Zhang , Deqing Fang , Baoren Wei , Changbo Fu , Yugang Ma

The electronics producing a few nanoseconds long LED pulses tuneable in the amplitude and the optical system distributing the LED light to scintillators by a single optical fibre are described. The properties of the LED pulses are…

Instrumentation and Detectors · Physics 2011-05-26 J. Cvach , M. Janata , J. Kvasnicka , D. Lednicky , I. Polak , J. Smolik , J. Zalesak

We discuss the use of commercial high-power light emitting diodes (LEDs) as a light source for fluorescence pressure measurements. A relatively broad light emitting spectra of single color LEDs (in comparison with lasers) do not prevent…

Materials Science · Physics 2023-05-19 Rustem Khasanov , Matthias Elender , Stefan Klotz

A stable reference light source based on an LED (Light Emission Diode) is presented for stabilizing the conversion gain of the opto-electronic system of a gamma- and fast-neutron radiographic and tomographic imaging device. A constant…

Instrumentation and Detectors · Physics 2010-02-09 M. Weierganz , D. Bar , B. Bromberger , V. Dangendorf , G. Feldman , M. B. Goldberg , M. Lindemann , I. Mor , K. Tittelmeier , D. Vartsky

Plastic scintillators detectors (PSDs) have been studied as dosimeters, since they provide a cost-effective alternative to conventional ionization chambers. Measurement and analysis of energy dependency were performed on a Siemens Mammomat…

Instrumentation and Detectors · Physics 2017-11-06 J. Antunes , J. Machado , L. Peralta , N. Matela

Plasmons in heavily doped semiconductor layers are optically active excitations with sharp resonances in the 5-15 um wavelength region set by the doping level and the effective mass. Here we demonstrate that volume plasmons can form in…

Mesoscale and Nanoscale Physics · Physics 2020-07-27 Angela Vasanelli , Yanko Todorov , Baptiste Dailly , Sébastien Cosme , Djamal Gacemi , Andrew Haky , Isabelle Sagnes , Carlo Sirtori

Performance of the known porous multiwire radiation detectors is stable in the mode of pulsed voltage supply. The results of the study of multiwire porous detector operated at constant voltage supply are presented in this article. It is…

Instrumentation and Detectors · Physics 2007-05-23 M. P. Lorikyan

Particle acceleration using ultraintense, ultrashort laser pulses is one of the most attractive topics in relativistic laser-plasma research. We report proton/ion acceleration in the intensity range of 5x1019 W/cm2 to 3.3x1020 W/cm2 by…

This paper describes the development of a pulsed light source using the discharge from an electrode in a medium of various noble gases. This source can be used to aid in the characterization and testing of new vacuum-ultraviolet (VUV)…

Instrumentation and Detectors · Physics 2022-06-01 A. D. McDonald , M. Febbraro , J. Asaadi , C. C Havener

A configuration of light pulses is generated, together with emitters and receptors, that allows computing. The computing is extraordinarily high in number of flops per second, exceeding the capability of a quantum computer for a given size…

General Physics · Physics 2007-05-23 Gordon Chalmers

We review recent PIC simulation results which show that double-sided irradiation of a thin over-dense plasma slab with ultra-intense laser pulses from both sides can lead to sustained comoving Poynting flux acceleration of electrons to…

Astrophysics · Physics 2008-11-26 Edison Liang

The floating potential of a probe, emitting a sufficiently high electron current, yields a fairly accurate approximation of the plasma potential. This is an advantage in comparison to the conventional Langmuir probe where, after…

Plasma Physics · Physics 2007-05-23 Ramin Madani , Codrina Ionita , Roman Schrittwieser , Thomas Klinger

A pulsed balanced homodyne detector has been developed for precise measurements of electric field quadratures of pulsed optical quantum states. A high level of common mode suppression (> 85 dB) and low electronic noise (730 electrons per…

Quantum Physics · Physics 2009-11-07 H. Hansen , T. Aichele , C. Hettich , P. Lodahl , A. I. Lvovsky , J. Mlynek , S. Schiller

We demonstrate laser-plasma acceleration of high charge electron beams to the ~10 MeV scale using ultrashort laser pulses with as little energy as 10 mJ. This result is made possible by an extremely dense and thin hydrogen gas jet. Total…

Accelerator Physics · Physics 2015-11-11 A. J. Goers , G. A. Hine , L. Feder , B. Miao , F. Salehi , H. M. Milchberg