The multipulse Thomson scattering diagnostic on the DIII-D tokamak

T. N. Carlstrom; G. L. Campbell; J. C. Deboo; R. G. Evanko; J. Evans; C. M. Greenfield; J. S. Haskovec; C. L. Hsieh; E. L. Mckee; R. T. Snider; R. E. Stockdale; M. P. Thomas; P. K. Trost

doi:10.1109/FUSION.1991.218657

The multipulse Thomson scattering diagnostic on the DIII-D tokamak

T. N. Carlstrom, G. L. Campbell, J. C. Deboo, R. G. Evanko, J. Evans, C. M. Greenfield, J. S. Haskovec, C. L. Hsieh, E. L. Mckee, R. T. Snider, R. E. Stockdale, M. P. Thomas, P. K. Trost

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper describe the design and operation of a 40 spatial channel Thomson scattering system that uses multiple 20-Hz Nd:YAG lasers to measure the electron temperature and density profiles periodically throughout an entire plasma discharge. Interference filter polychromators disperse the scattered light, which is detected by silicon avalanche photodiodes. The measurable temperature range is from 10 eV to 20 keV, and the minimum detectable density is about 2-10¹⁸ m^-3. Laser control and data acquisition are performed in real time by a VME-based microcomputer. Data analysis is performed by a MicroVAX 3400. Unique features of this system include burst mode operation, where multiple lasers are fired in rapid succession (<10 kHz), real-time analysis capability, and laser beam quality and alignment monitoring during plasma operation. Results of component testing, calibration, and plasma operation are presented.

Original language	English
Title of host publication	Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1195-1198
Number of pages	4
ISBN (Electronic)	0780301323
DOIs	https://doi.org/10.1109/FUSION.1991.218657
State	Published - 1991
Externally published	Yes
Event	14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991 - San Diego, United States Duration: Sep 30 1991 → Oct 3 1991

Publication series

Name	Proceedings - Symposium on Fusion Engineering

Conference

Conference	14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991
Country/Territory	United States
City	San Diego
Period	09/30/91 → 10/3/91

Funding

This is a report of work sponsored by the U.S. Department of Energy under Contract No. DE-AC03-89ER51114.

Access to Document

10.1109/FUSION.1991.218657

Cite this

Carlstrom, T. N., Campbell, G. L., Deboo, J. C., Evanko, R. G., Evans, J., Greenfield, C. M., Haskovec, J. S., Hsieh, C. L., Mckee, E. L., Snider, R. T., Stockdale, R. E., Thomas, M. P., & Trost, P. K. (1991). The multipulse Thomson scattering diagnostic on the DIII-D tokamak. In Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991 (pp. 1195-1198). Article 218657 (Proceedings - Symposium on Fusion Engineering). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/FUSION.1991.218657

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title = "The multipulse Thomson scattering diagnostic on the DIII-D tokamak",

abstract = "This paper describe the design and operation of a 40 spatial channel Thomson scattering system that uses multiple 20-Hz Nd:YAG lasers to measure the electron temperature and density profiles periodically throughout an entire plasma discharge. Interference filter polychromators disperse the scattered light, which is detected by silicon avalanche photodiodes. The measurable temperature range is from 10 eV to 20 keV, and the minimum detectable density is about 2-1018 m-3. Laser control and data acquisition are performed in real time by a VME-based microcomputer. Data analysis is performed by a MicroVAX 3400. Unique features of this system include burst mode operation, where multiple lasers are fired in rapid succession (<10 kHz), real-time analysis capability, and laser beam quality and alignment monitoring during plasma operation. Results of component testing, calibration, and plasma operation are presented.",

author = "Carlstrom, {T. N.} and Campbell, {G. L.} and Deboo, {J. C.} and Evanko, {R. G.} and J. Evans and Greenfield, {C. M.} and Haskovec, {J. S.} and Hsieh, {C. L.} and Mckee, {E. L.} and Snider, {R. T.} and Stockdale, {R. E.} and Thomas, {M. P.} and Trost, {P. K.}",

note = "Publisher Copyright: {\textcopyright} 1991 IEEE.; 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991 ; Conference date: 30-09-1991 Through 03-10-1991",

year = "1991",

doi = "10.1109/FUSION.1991.218657",

language = "English",

series = "Proceedings - Symposium on Fusion Engineering",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "1195--1198",

booktitle = "Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991",

}

Carlstrom, TN, Campbell, GL, Deboo, JC, Evanko, RG, Evans, J, Greenfield, CM, Haskovec, JS, Hsieh, CL, Mckee, EL, Snider, RT, Stockdale, RE, Thomas, MP & Trost, PK 1991, The multipulse Thomson scattering diagnostic on the DIII-D tokamak. in Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991., 218657, Proceedings - Symposium on Fusion Engineering, Institute of Electrical and Electronics Engineers Inc., pp. 1195-1198, 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991, San Diego, United States, 09/30/91. https://doi.org/10.1109/FUSION.1991.218657

The multipulse Thomson scattering diagnostic on the DIII-D tokamak. / Carlstrom, T. N.; Campbell, G. L.; Deboo, J. C. et al.
Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991. Institute of Electrical and Electronics Engineers Inc., 1991. p. 1195-1198 218657 (Proceedings - Symposium on Fusion Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Greenfield, C. M.

AU - Haskovec, J. S.

AU - Hsieh, C. L.

AU - Mckee, E. L.

AU - Snider, R. T.

AU - Stockdale, R. E.

AU - Thomas, M. P.

AU - Trost, P. K.

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AB - This paper describe the design and operation of a 40 spatial channel Thomson scattering system that uses multiple 20-Hz Nd:YAG lasers to measure the electron temperature and density profiles periodically throughout an entire plasma discharge. Interference filter polychromators disperse the scattered light, which is detected by silicon avalanche photodiodes. The measurable temperature range is from 10 eV to 20 keV, and the minimum detectable density is about 2-1018 m-3. Laser control and data acquisition are performed in real time by a VME-based microcomputer. Data analysis is performed by a MicroVAX 3400. Unique features of this system include burst mode operation, where multiple lasers are fired in rapid succession (<10 kHz), real-time analysis capability, and laser beam quality and alignment monitoring during plasma operation. Results of component testing, calibration, and plasma operation are presented.

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BT - Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991

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ER -

Carlstrom TN, Campbell GL, Deboo JC, Evanko RG, Evans J, Greenfield CM et al. The multipulse Thomson scattering diagnostic on the DIII-D tokamak. In Proceedings - 14th IEEE/NPSS Symposium Fusion Engineering, FUSION 1991. Institute of Electrical and Electronics Engineers Inc. 1991. p. 1195-1198. 218657. (Proceedings - Symposium on Fusion Engineering). doi: 10.1109/FUSION.1991.218657

The multipulse Thomson scattering diagnostic on the DIII-D tokamak

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