Element Selectivity in Second-Harmonic Generation of by a Soft-X-Ray Free-Electron Laser

S Yamamoto, T Omi, H Akai, Y Kubota, Y Takahashi… - Physical review …, 2018 - APS
Nonlinear optical frequency conversion has been challenged to move down to the extreme
ultraviolet and x-ray region. However, the extremely low signals have allowed researchers to …

Energy dependent sensitivity of microchannel plate detectors

GA Rochau, JE Bailey, GA Chandler, TJ Nash… - Review of scientific …, 2006 - pubs.aip.org
Understanding of microchannel plate (MCP) detectors with x-ray energy is important for
applications in high energy density research such as broadband imaging and x-ray …

Observation of the effects of radially sheared electric fields on the suppression of turbulent vortex structures and the associated transverse loss in GAMMA 10

T Cho, M Yoshida, J Kohagura, M Hirata, T Numakura… - Physical review …, 2005 - APS
Vortexlike turbulent structures in hot-ion mode plasmas with several keV are observed in the
case with a radially produced weak shear of electric fields E r. However, a strong E r shear …

Monte Carlo simulations of microchannel plate detectors. I. Steady-state voltage bias results

M Wu, CA Kruschwitz, DV Morgan… - Review of Scientific …, 2008 - pubs.aip.org
X-ray detectors based on straight-channel microchannel plates (MCPs) are a powerful
diagnostic tool for two-dimensional, time-resolved imaging and time-resolved x-ray …

Low-energy electromagnetic processes affecting free-falling test-mass charging for LISA and future space interferometers

C Grimani, A Cesarini, M Fabi… - Classical and Quantum …, 2020 - iopscience.iop.org
Galactic cosmic rays and solar energetic particles charge gold-platinum, free-falling test
masses (TMs) on board interferometers for the detection of gravitational waves in space. The …

Observation and Control of Transverse Energy-Transport Barrier due to the Formation<? format?> of an Energetic-Electron Layer with Sheared E× B Flow

T Cho, J Kohagura, T Numakura, M Hirata, H Higaki… - Physical review …, 2006 - APS
Off-axis electron-cyclotron heating in an axisymmetric barrier mirror produces a cylindrical
layer with energetic electrons, which flow through the central cell and into the end region …

The gain and time characteristics of microchannel plates in various channel geometries

L Chen, X Wang, J Tian, T Zhao, C Liu… - … on Nuclear Science, 2017 - ieeexplore.ieee.org
Microchannel plates (MCPs) are widely used as electron, ion, and X-ray detectors. The gain
factor and time resolution of the MCP are strongly dependent on its operating and geometry …

Active control of internal transport barrier formation due to off-axis electron-cyclotron heating in GAMMA 10 experiments

T Cho, VP Pastukhov, W Horton, T Numakura… - Physics of …, 2008 - pubs.aip.org
The controlled formation of an internal transport barrier (ITB) is observed in GAMMA 10 [T.
Cho et al, Nucl. Fusion 45, 1650 (2005)]. The barrier is localized within a layer of a strongly …

Evidence against existing x-ray-energy response theories for silicon-surface-barrier semiconductor detectors

T Cho, E Takahashi, M Hirata, N Yamaguchi, T Teraji… - Physical Review A, 1992 - APS
The detailed x-ray-energy response of silicon-surface-barrier (SSB) semiconductor detectors
is investigated using synchrotron radiation from a 2.5-GeV positron storage ring. These data …

Charge distribution about an ionizing electron track in liquid helium

GM Seidel, TM Ito, A Ghosh, B Sethumadhavan - Physical Review C, 2014 - APS
The dependence on an applied electric field of the ionization current produced by an
energetic electron stopped in liquid helium can be used to determine the spatial distribution …