Thomson scattering system
Electron Density Measurement by Raman Calibration of the HuanLiuqi-2A Thomson Scattering System
... Fig. 6 H-mode discharge parameters in shot #11617, and the re- sults of electron temperature and density measured by Thomson scattering system. The time traces from top to down are the plasma current ...
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Two-Dimensional Electron Temperature and Density Measurement during Strong Guide-Field Reconnection by using Slide-Type Thomson Scattering System
... 3 polychromators were assembled for the slide-type 2-D Thomson scattering system. Each polychromator contains a collimation lens, four interference filters, lens elements (relay lenses and focusing ...
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Direct Observation of Electron Heating by Electron Landau Damping of Alfvén Ion Cyclotron Waves Using Thomson Scattering System in the Tandem Mirror GAMMA 10/PDX
... sity (blue solid line) and diamagnetism (red dotted line). The time evolution of the electron temperature measured using the Thomson scattering system for different laser in- jection times ...
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Feasibility of a Multi-Pass Thomson Scattering System with Confocal Spherical Mirrors
... A system with two parallel mirrors is the ...mirror system is as simple as a two parallel mirror system, but the beam paths tend to converge to the axis of the mirrors, and a large transit number is ...
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A Movable Thomson Scattering System Based on Optical Fibers (TS-Probe)
... This paper proposes a movable compact Thomson scattering (TS) system based on optical fibers (TS-probe). The TS-probe consists of a probe head, optical fibers, a laser diode, a polychromator, and ...
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YAG-Thomson Scattering System in GAMMA 10/PDX Central and End Cells
... end-YAG-TS system was located at the end re- gion, z = ...end-TS system following the second polarizer, which changed the polarization from horizontal to verti- cal by a half-wave plate on the optical bench ...
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Radial Profile Measurements of Electron Temperature and Density Using the Thomson Scattering System in GAMMA 10/PDX
... gas scattering experiments due to damage to the optical components or to reset the optical systems to improve the scattering signal ...TS system, we com- pare the measurements to the electron line ...
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Off-Axis Temperature Anisotropy Measurement by Double-Pass Thomson Scattering Diagnostic System on TST-2
... double-pass Thomson scattering configuration and applied it to the measurement of the plasma center temperature anisotropy ...TST-2 Thomson scattering system, the direction of Δ k is di ...
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Assessment of Laser Transmission Mirror Materials for ITER Edge Thomson Scattering Diagnostics
... the Thomson scattering diagnostics in ITER, particularly the edge Thomson scat- tering ...measurement system is ...edge Thomson scattering system is also ...
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Development of Polarization Interferometer Based on Fourier Transform Spectroscopy for Thomson Scattering Diagnostics
... ferometer for multi-spatial channel measurement (Maxi- mum 20 spatial points), (3) using YAG laser (50 Hz, 7.46 J, 1064 nm) [11] or ruby laser (0.5 Hz, 10 Hz, 694.3 nm) [12]. In the case of ruby laser, a high sensitivity ...
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Theory of Thomson scattering in inhomogeneous media
... Thomson scattering probes the fluctuations of a ...light scattering if they occur on the scale of the probe ...the scattering probe, τ, is shorter than the time required for screening to be ...
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Thomson scattering using an atomic notch filter
... The atomic vapor in the absorption cell is sodium. So- dium is chosen because of its strong D lines at 589.0 and at 589.6 nm. At these wavelengths we can use the Rhodamine 6G dye, which is cheap, relative stable, and ...
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Thomson scattering measurement of a collimated plasma jet generated by a high-power laser system
... 13 Institution National Astrophysical Observatories, CAS, China E-mail: [email protected] Abstract. One of the important and interesting problems in astrophysics and plasma physics is collimation of plasma ...
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Collective Thomson Scattering Study Using Gyrotron in LHD
... collective Thomson scattering (CTS) has long been attracted and intensively studied as one of the most promising diagnostic methods for the ion distribution function ...collective scattering ...
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Modelling Thomson scattering for systems with non equilibrium electron distributions
... of Thomson scattering for a range of conditions of interest to inertial confinement fusion ...theoretical scattering spectra for both diffuse and dense plasmas in which non-equilibrium electron ...
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Theory of x ray Thomson scattering in warm dense matter
... inelastic scattering feature are comparable in ...laser system of the Omega ...first scattering experiment, 30 laser beams with wavelength λ i = 351 nm, a duration of 1 ns and a total energy of 15 kJ ...
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Modulation of Observed Thomson Scattering Spectra in a Plasma Density Irregularity
... This leads to a modulated electron density spectrum in which the modulation characteristics depend on the geometrical characteristics of the irregularities. In this letter, we show that peculiarities of plasma density ...
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Testing ion structure models with x-ray Thomson scattering
... collective scattering regime, as the height of the Rayleigh peak is used here to extract the temperature and the charge state of the ...x-ray Thomson scattering as a reliable diagnostic tool in ...
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FT THOMSON SCATTERING. P. Santi, M. Bassan, A. Brusadin
... Repetition rate one burst per three ainutes. The performance of the laser was tested by aeasuring the percentage of beaa energy passing through divergence selecting stops placed in the [r] ...
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Simultaneous Measurement of Plasma Pressure Anisotropy with a Double-Pass Thomson Scattering Diagnostic System on the TST-2
... this system, the environmental temperature and bias voltage are controlled to an accuracy of less than 1 ◦ C and ...ward Thomson scattering ...a Thomson scattering signal, thermal noise ...
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