Preliminary design of a tangentially viewing imaging bolometer for NSTX-U

B. J. Peterson; R. Sano; M.L. Reinke; J.M. Canik; L. F. Delgado-Aparicio; J. D. Lore; K. Mukai; T.K. Gray; G.G. van Eden; M.A. Jaworski

doi:10.1063/1.4955278

Preliminary design of a tangentially viewing imaging bolometer for NSTX-U

B. J. Peterson, R. Sano, M.L. Reinke, J.M. Canik, L. F. Delgado-Aparicio, J. D. Lore, K. Mukai, T.K. Gray, G.G. van Eden, M.A. Jaworski

Science and Technology of Nuclear Fusion

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Abstract

The infrared imaging video bolometer (IRVB) measures plasma radiated power images using a thin metal foil. Two different designs with a tangential view of NSTX-U are made assuming a 640 × 480 (1280 × 1024) pixel, 30 (105) fps, 50 (20) mK, IR camera imaging the 9 cm × 9 cm × 2 μm Pt foil. The foil is divided into 40 × 40 (64 × 64) IRVB channels. This gives a spatial resolution of 3.4 (2.2) cm on the machine mid-plane. The noise equivalent power density of the IRVB is given as 113 (46) μW/cm2 for a time resolution of 33 (20) ms. Synthetic images derived from Scrape Off Layer Plasma Simulation data using the IRVB geometry show peak signal levels ranging from ∼0.8 to ∼80 (∼0.36 to ∼26) mW/cm2.

Original language	English
Article number	11D410
Pages (from-to)	1-4
Number of pages	4
Journal	Review of Scientific Instruments
Volume	87
Issue number	11
DOIs	https://doi.org/10.1063/1.4955278
Publication status	Published - Nov 2016

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title = "Preliminary design of a tangentially viewing imaging bolometer for NSTX-U",

abstract = "The infrared imaging video bolometer (IRVB) measures plasma radiated power images using a thin metal foil. Two different designs with a tangential view of NSTX-U are made assuming a 640 × 480 (1280 × 1024) pixel, 30 (105) fps, 50 (20) mK, IR camera imaging the 9 cm × 9 cm × 2 μm Pt foil. The foil is divided into 40 × 40 (64 × 64) IRVB channels. This gives a spatial resolution of 3.4 (2.2) cm on the machine mid-plane. The noise equivalent power density of the IRVB is given as 113 (46) μW/cm2 for a time resolution of 33 (20) ms. Synthetic images derived from Scrape Off Layer Plasma Simulation data using the IRVB geometry show peak signal levels ranging from ∼0.8 to ∼80 (∼0.36 to ∼26) mW/cm2.",

author = "Peterson, {B. J.} and R. Sano and M.L. Reinke and J.M. Canik and Delgado-Aparicio, {L. F.} and Lore, {J. D.} and K. Mukai and T.K. Gray and {van Eden}, G.G. and M.A. Jaworski",

year = "2016",

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doi = "10.1063/1.4955278",

language = "English",

volume = "87",

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T1 - Preliminary design of a tangentially viewing imaging bolometer for NSTX-U

AU - Peterson, B. J.

AU - Sano, R.

AU - Reinke, M.L.

AU - Canik, J.M.

AU - Delgado-Aparicio, L. F.

AU - Lore, J. D.

AU - Mukai, K.

AU - Gray, T.K.

AU - van Eden, G.G.

AU - Jaworski, M.A.

PY - 2016/11

Y1 - 2016/11

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AB - The infrared imaging video bolometer (IRVB) measures plasma radiated power images using a thin metal foil. Two different designs with a tangential view of NSTX-U are made assuming a 640 × 480 (1280 × 1024) pixel, 30 (105) fps, 50 (20) mK, IR camera imaging the 9 cm × 9 cm × 2 μm Pt foil. The foil is divided into 40 × 40 (64 × 64) IRVB channels. This gives a spatial resolution of 3.4 (2.2) cm on the machine mid-plane. The noise equivalent power density of the IRVB is given as 113 (46) μW/cm2 for a time resolution of 33 (20) ms. Synthetic images derived from Scrape Off Layer Plasma Simulation data using the IRVB geometry show peak signal levels ranging from ∼0.8 to ∼80 (∼0.36 to ∼26) mW/cm2.

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DO - 10.1063/1.4955278

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JO - Review of Scientific Instruments

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IS - 11

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Preliminary design of a tangentially viewing imaging bolometer for NSTX-U

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