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The beam emission spectroscopy diagnostic on the DIII-D tokamak
A beam emission spectroscopy system has been installed on DIII-D to provide localized density fluctuation measurements for long-wavelength turbulent modes with k⩽3 cm −1 which are typically associated with anomalous radial transport. High signal-to-noise fluctuations measurements are accomplished t...
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| Published in: | Review of Scientific Instruments 1999-01, Vol.70 (1), p.913-916 |
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| Main Authors: | , , , , , , , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 916 |
| container_issue | 1 |
| container_start_page | 913 |
| container_title | Review of Scientific Instruments |
| container_volume | 70 |
| creator | McKee, G. Ashley, R. Durst, R. Fonck, R. Jakubowski, M. Tritz, K. Burrell, K. Greenfield, C. Robinson, J. |
| description | A beam emission spectroscopy system has been installed on DIII-D to provide localized density fluctuation measurements for long-wavelength turbulent modes with
k⩽3
cm
−1
which are typically associated with anomalous radial transport. High signal-to-noise fluctuations measurements are accomplished through use of high speed electronics to maintain a frequency response of over 500 KHz and cryogenically cooled amplifiers and detectors to reduce electronic noise. The optics and neutral beam-sightline geometry have been optimized to allow for spatial resolution of
Δr⩽1
cm
.
In addition, a half-scale two-dimensional (2D) fiber array to measure the 2D turbulent density field, necessary to measure the full
S(k
r
,k
θ
)
wavenumber spectra, has been implemented and initial results obtained. |
| doi_str_mv | 10.1063/1.1149416 |
| format | article |
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k⩽3
cm
−1
which are typically associated with anomalous radial transport. High signal-to-noise fluctuations measurements are accomplished through use of high speed electronics to maintain a frequency response of over 500 KHz and cryogenically cooled amplifiers and detectors to reduce electronic noise. The optics and neutral beam-sightline geometry have been optimized to allow for spatial resolution of
Δr⩽1
cm
.
In addition, a half-scale two-dimensional (2D) fiber array to measure the 2D turbulent density field, necessary to measure the full
S(k
r
,k
θ
)
wavenumber spectra, has been implemented and initial results obtained.</description><identifier>ISSN: 0034-6748</identifier><identifier>EISSN: 1089-7623</identifier><identifier>DOI: 10.1063/1.1149416</identifier><identifier>CODEN: RSINAK</identifier><language>eng</language><ispartof>Review of Scientific Instruments, 1999-01, Vol.70 (1), p.913-916</ispartof><rights>American Institute of Physics</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c424t-ab9739d0465f435a7d52674f650964d47f90b7013c0b0e4cf043b6a59583605a3</citedby><cites>FETCH-LOGICAL-c424t-ab9739d0465f435a7d52674f650964d47f90b7013c0b0e4cf043b6a59583605a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/rsi/article-lookup/doi/10.1063/1.1149416$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>309,310,314,776,778,780,785,786,791,23909,23910,25118,27901,27902,76125</link.rule.ids></links><search><creatorcontrib>McKee, G.</creatorcontrib><creatorcontrib>Ashley, R.</creatorcontrib><creatorcontrib>Durst, R.</creatorcontrib><creatorcontrib>Fonck, R.</creatorcontrib><creatorcontrib>Jakubowski, M.</creatorcontrib><creatorcontrib>Tritz, K.</creatorcontrib><creatorcontrib>Burrell, K.</creatorcontrib><creatorcontrib>Greenfield, C.</creatorcontrib><creatorcontrib>Robinson, J.</creatorcontrib><title>The beam emission spectroscopy diagnostic on the DIII-D tokamak</title><title>Review of Scientific Instruments</title><description>A beam emission spectroscopy system has been installed on DIII-D to provide localized density fluctuation measurements for long-wavelength turbulent modes with
k⩽3
cm
−1
which are typically associated with anomalous radial transport. High signal-to-noise fluctuations measurements are accomplished through use of high speed electronics to maintain a frequency response of over 500 KHz and cryogenically cooled amplifiers and detectors to reduce electronic noise. The optics and neutral beam-sightline geometry have been optimized to allow for spatial resolution of
Δr⩽1
cm
.
In addition, a half-scale two-dimensional (2D) fiber array to measure the 2D turbulent density field, necessary to measure the full
S(k
r
,k
θ
)
wavenumber spectra, has been implemented and initial results obtained.</description><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNp9j0tLxDAUhYMoWEcX_oNsFTre2zzarERmfBQG3IzrkKaJ1rHT0gRh_r2RGXQheDdncT8O5yPkEmGOINkNzhG54iiPSIZQqbyUBTsmGQDjuSx5dUrOQniHdAIxI7frN0cbZ3rq-i6EbtjSMDobpyHYYdzRtjOv2yHEztL0igle1nWdL2kcNqY3m3Ny4s1HcBeHnJGXh_v14ilfPT_Wi7tVbnnBY24aVTLVApfCcyZM2YoirfFSgJK85aVX0JSAzEIDjlsPnDXSCCUqJkEYNiNX-16bloXJeT1OXW-mnUbQ3-Ya9cE8sdd7NtgumpicfuDPYfoF9dj6_-C_zV-nsGUF</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>McKee, G.</creator><creator>Ashley, R.</creator><creator>Durst, R.</creator><creator>Fonck, R.</creator><creator>Jakubowski, M.</creator><creator>Tritz, K.</creator><creator>Burrell, K.</creator><creator>Greenfield, C.</creator><creator>Robinson, J.</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>199901</creationdate><title>The beam emission spectroscopy diagnostic on the DIII-D tokamak</title><author>McKee, G. ; Ashley, R. ; Durst, R. ; Fonck, R. ; Jakubowski, M. ; Tritz, K. ; Burrell, K. ; Greenfield, C. ; Robinson, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c424t-ab9739d0465f435a7d52674f650964d47f90b7013c0b0e4cf043b6a59583605a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>McKee, G.</creatorcontrib><creatorcontrib>Ashley, R.</creatorcontrib><creatorcontrib>Durst, R.</creatorcontrib><creatorcontrib>Fonck, R.</creatorcontrib><creatorcontrib>Jakubowski, M.</creatorcontrib><creatorcontrib>Tritz, K.</creatorcontrib><creatorcontrib>Burrell, K.</creatorcontrib><creatorcontrib>Greenfield, C.</creatorcontrib><creatorcontrib>Robinson, J.</creatorcontrib><collection>CrossRef</collection><jtitle>Review of Scientific Instruments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>McKee, G.</au><au>Ashley, R.</au><au>Durst, R.</au><au>Fonck, R.</au><au>Jakubowski, M.</au><au>Tritz, K.</au><au>Burrell, K.</au><au>Greenfield, C.</au><au>Robinson, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The beam emission spectroscopy diagnostic on the DIII-D tokamak</atitle><jtitle>Review of Scientific Instruments</jtitle><date>1999-01</date><risdate>1999</risdate><volume>70</volume><issue>1</issue><spage>913</spage><epage>916</epage><pages>913-916</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>A beam emission spectroscopy system has been installed on DIII-D to provide localized density fluctuation measurements for long-wavelength turbulent modes with
k⩽3
cm
−1
which are typically associated with anomalous radial transport. High signal-to-noise fluctuations measurements are accomplished through use of high speed electronics to maintain a frequency response of over 500 KHz and cryogenically cooled amplifiers and detectors to reduce electronic noise. The optics and neutral beam-sightline geometry have been optimized to allow for spatial resolution of
Δr⩽1
cm
.
In addition, a half-scale two-dimensional (2D) fiber array to measure the 2D turbulent density field, necessary to measure the full
S(k
r
,k
θ
)
wavenumber spectra, has been implemented and initial results obtained.</abstract><doi>10.1063/1.1149416</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0034-6748 |
| ispartof | Review of Scientific Instruments, 1999-01, Vol.70 (1), p.913-916 |
| issn | 0034-6748 1089-7623 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1149416 |
| source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); American Institute of Physics(アメリカ物理学協会) |
| title | The beam emission spectroscopy diagnostic on the DIII-D tokamak |
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