Prototype high resolution multienergy soft x-ray array for NSTX

K. Tritz; D. Stutman; L. Delgado-Aparicio; M. Finkenthal; R. Kaita; L. Roquemore

doi:10.1063/1.3460632

Prototype high resolution multienergy soft x-ray array for NSTX

K. Tritz, D. Stutman, L. Delgado-Aparicio, M. Finkenthal, R. Kaita, L. Roquemore

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8 Scopus citations

Abstract

A novel diagnostic design seeks to enhance the capability of multienergy soft x-ray (SXR) detection by using an image intensifier to amplify the signals from a larger set of filtered x-ray profiles. The increased number of profiles and simplified detection system provides a compact diagnostic device for measuring T_e in addition to contributions from density and impurities. A single-energy prototype system has been implemented on NSTX, comprised of a filtered x-ray pinhole camera, which converts the x-rays to visible light using a CsI:Tl phosphor. SXR profiles have been measured in high performance plasmas at frame rates of up to 10 kHz, and comparisons to the toroidally displaced tangential multi-energy SXR have been made.

Original language	English (US)
Article number	10E502
Journal	Review of Scientific Instruments
Volume	81
Issue number	10
DOIs	https://doi.org/10.1063/1.3460632
State	Published - Oct 2010

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.3460632

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abstract = "A novel diagnostic design seeks to enhance the capability of multienergy soft x-ray (SXR) detection by using an image intensifier to amplify the signals from a larger set of filtered x-ray profiles. The increased number of profiles and simplified detection system provides a compact diagnostic device for measuring Te in addition to contributions from density and impurities. A single-energy prototype system has been implemented on NSTX, comprised of a filtered x-ray pinhole camera, which converts the x-rays to visible light using a CsI:Tl phosphor. SXR profiles have been measured in high performance plasmas at frame rates of up to 10 kHz, and comparisons to the toroidally displaced tangential multi-energy SXR have been made.",

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AU - Tritz, K.

AU - Stutman, D.

AU - Delgado-Aparicio, L.

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AU - Kaita, R.

AU - Roquemore, L.

PY - 2010/10

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N2 - A novel diagnostic design seeks to enhance the capability of multienergy soft x-ray (SXR) detection by using an image intensifier to amplify the signals from a larger set of filtered x-ray profiles. The increased number of profiles and simplified detection system provides a compact diagnostic device for measuring Te in addition to contributions from density and impurities. A single-energy prototype system has been implemented on NSTX, comprised of a filtered x-ray pinhole camera, which converts the x-rays to visible light using a CsI:Tl phosphor. SXR profiles have been measured in high performance plasmas at frame rates of up to 10 kHz, and comparisons to the toroidally displaced tangential multi-energy SXR have been made.

AB - A novel diagnostic design seeks to enhance the capability of multienergy soft x-ray (SXR) detection by using an image intensifier to amplify the signals from a larger set of filtered x-ray profiles. The increased number of profiles and simplified detection system provides a compact diagnostic device for measuring Te in addition to contributions from density and impurities. A single-energy prototype system has been implemented on NSTX, comprised of a filtered x-ray pinhole camera, which converts the x-rays to visible light using a CsI:Tl phosphor. SXR profiles have been measured in high performance plasmas at frame rates of up to 10 kHz, and comparisons to the toroidally displaced tangential multi-energy SXR have been made.

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Prototype high resolution multienergy soft x-ray array for NSTX

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