Operation of the NSTX Thomson Scattering System

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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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274 Kilobytes pages

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LeBlanc, B.P.; Bell, R.E.; Johnson, D.W.; Hoffman, D.E.; Long, D.C. & and Palladino, R.W. September 3, 2002.

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Description

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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274 Kilobytes pages

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INIS; OSTI as DE00809825

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  • Other Information: PBD: 3 Sep 2002

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  • Report No.: PPPL-3745
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/809825 | External Link
  • Office of Scientific & Technical Information Report Number: 809825
  • Archival Resource Key: ark:/67531/metadc737164

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  • September 3, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 15, 2016, 10:05 p.m.

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LeBlanc, B.P.; Bell, R.E.; Johnson, D.W.; Hoffman, D.E.; Long, D.C. & and Palladino, R.W. Operation of the NSTX Thomson Scattering System, report, September 3, 2002; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc737164/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.