Operation of the NSTX Thomson Scattering System | Zendy

B.P. LeBlanc | Zendy; R. E. Bell | Zendy; D. Johnson | Zendy; D. Hoffman | Zendy; D. C. Long | Zendy; R. Palladino | Zendy

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Operation of the NSTX Thomson Scattering System

Author(s) -

B.P. LeBlanc,

R. E. Bell,

D. Johnson,

D. Hoffman,

D. C. Long,

R. Palladino

Publication year - 2002

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/809825

Subject(s) - optics , thomson scattering , laser , calibration , detector , physics , photodiode , avalanche photodiode , optical fiber , quantum mechanics

The NSTX multi-point Thomson scattering system has been in operation for nearly two years and provides routine Te(R,t) and ne(R,t) measurements. The laser beams from two 30-Hz Nd:YAG lasers are imaged by a spherical mirror onto 36 fiber-optics bundles. In the present configuration, the output ends of 20 of these bundles are instrumented with filter polychromators and avalanche photodiode detectors. In this paper, we discuss the laser implementation and the installed collection optics. We follow with examples of raw and analyzed data. We close with some comments about calibration

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