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Tomographic imaging system for measuring impurity line emission in a field-reversed configurationa)
a)Contributed paper, published as part of the Proceedings of the 19th Topical Conference on High-Temperature Plasma Diagnostics, Monterey, California, May 2012.
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10.1063/1.4729670
/content/aip/journal/rsi/83/10/10.1063/1.4729670
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/10/10.1063/1.4729670
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of tomographic diagnostic.

Image of FIG. 2.
FIG. 2.

Schematic of optical collimators used in experiment. Dimensions in inches. (1) SMA mount, (2) lens mount, (3) lens mount ring, (4) SMA mount ring, (5) Thorlabs LA1222, (6) 905 polymide fiber connector 600 μm.

Image of FIG. 3.
FIG. 3.

Simulation with Gaussian input. Top left: Input image. Then from left to right, top to bottom: successive iterations of the algorithm. Notice how the iterative weighting recovers not only the shape, but the peak height of the input.

Image of FIG. 4.
FIG. 4.

Signals from PMTs preinversion.

Image of FIG. 5.
FIG. 5.

Reconstructed density profiles during FRC equilibrium at 1 μs time steps. The units of both axes are centimeters. The white lines represent the 16 collimated lines of sight. The red arcs represent the position of the magnetic null at the depicted time slices.1

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/content/aip/journal/rsi/83/10/10.1063/1.4729670
2012-06-20
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tomographic imaging system for measuring impurity line emission in a field-reversed configurationa)
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/10/10.1063/1.4729670
10.1063/1.4729670
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