Z eff spatial profiles from Bremsstrahlung emission in the near infrared spectral region
Measurements of plasma radiation in the infrared (IR) BREM_IR range (λ=978 nm , Δλ=38 nm ), at 16 horizontal lines of sight intersecting the central vertical chord of the [Frascati Tokamak Upgrade (FTU) R=0.935 m , a=0.3 m , B=4–8 T ], from z=−0.22 m below, to z=0.08 m above the equatorial pl...
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| creator | Orsitto, F. Belforte, M. R. Brusadin, A. Giovannozzi, E. Pacella, D. May, M. J. |
| description | Measurements of plasma radiation in the infrared (IR) BREM_IR range
(λ=978
nm
,
Δλ=38
nm
),
at 16 horizontal lines of sight intersecting the central vertical chord of the [Frascati Tokamak Upgrade (FTU)
R=0.935
m
,
a=0.3
m
,
B=4–8
T
], from
z=−0.22
m
below, to
z=0.08
m
above the equatorial plane, are performed using the detection system of the Thomson scattering apparatus [F. Orsitto et al., Appl. Opt. 34, 2712 (1995)] (TS). The measured BREM_IR intensity is equal
I(z)=〈Z
eff
Gn
e
2
/T
e
1/2
〉
where 〈〉 means line average. For determining the
Z
eff
,
the Gaunt factor (G) is needed, and the Born–Elwert formula is used. The
Z
eff
spatial profiles are determined using the plasma temperature
(T
e
)
and density
(n
e
)
measured by the TS, DCN interferometer, and Abel inverted intensity profiles.
Z
eff
(r)
versus time behavior in FTU discharges is presented for krypton injection experiments aimed to investigate the particle confinement behavior during strong injection of impurities. |
| doi_str_mv | 10.1063/1.1149462 |
| format | Conference Proceeding |
| fullrecord | <record><control><sourceid>scitation_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1063_1_1149462</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>rsi</sourcerecordid><originalsourceid>FETCH-LOGICAL-c144f-850457ea74bf2a95a8703e0fdf85b6d768cad5cc3518362de0e5560199a4ae133</originalsourceid><addsrcrecordid>eNp90E1LAzEQBuAgCq7Vg_8gV4Wtmc3HZo9arAoFLwriZUmzkzayXySr4L830qIHwbnMHB5emJeQc2BzYIpfwRxAVEIVByQDpqu8VAU_JBljXOSqFPqYnMT4xtJIgIy8vFJ0jsbRTN60dAyD8y1G6sLQ0ZuAXYxTMNv2vd9Q7HyMfuip7-m0RdqjCel2wQRsUgTaRFsacJPQKTlypo14tt8z8ry8fVrc56vHu4fF9Sq3IITLtWRClmhKsXaFqaTRJePIXOO0XKumVNqaRlrLJWiuigYZSqkYVJURBoHzGbnY5dowxBjQ1WPwnQmfNbD6u5Ia6n0lyV7ubLR-Sg8P_Q_-GMIvrMfG_Yf_Jn8BmaRwNQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>conference_proceeding</recordtype></control><display><type>conference_proceeding</type><title>Z eff spatial profiles from Bremsstrahlung emission in the near infrared spectral region</title><source>AIP Journals Complete</source><source>AIP Digital Archive</source><creator>Orsitto, F. ; Belforte, M. R. ; Brusadin, A. ; Giovannozzi, E. ; Pacella, D. ; May, M. J.</creator><creatorcontrib>Orsitto, F. ; Belforte, M. R. ; Brusadin, A. ; Giovannozzi, E. ; Pacella, D. ; May, M. J.</creatorcontrib><description>Measurements of plasma radiation in the infrared (IR) BREM_IR range
(λ=978
nm
,
Δλ=38
nm
),
at 16 horizontal lines of sight intersecting the central vertical chord of the [Frascati Tokamak Upgrade (FTU)
R=0.935
m
,
a=0.3
m
,
B=4–8
T
], from
z=−0.22
m
below, to
z=0.08
m
above the equatorial plane, are performed using the detection system of the Thomson scattering apparatus [F. Orsitto et al., Appl. Opt. 34, 2712 (1995)] (TS). The measured BREM_IR intensity is equal
I(z)=〈Z
eff
Gn
e
2
/T
e
1/2
〉
where 〈〉 means line average. For determining the
Z
eff
,
the Gaunt factor (G) is needed, and the Born–Elwert formula is used. The
Z
eff
spatial profiles are determined using the plasma temperature
(T
e
)
and density
(n
e
)
measured by the TS, DCN interferometer, and Abel inverted intensity profiles.
Z
eff
(r)
versus time behavior in FTU discharges is presented for krypton injection experiments aimed to investigate the particle confinement behavior during strong injection of impurities.</description><identifier>ISSN: 0034-6748</identifier><identifier>EISSN: 1089-7623</identifier><identifier>DOI: 10.1063/1.1149462</identifier><identifier>CODEN: RSINAK</identifier><language>eng</language><ispartof>Review of Scientific Instruments, 1999, Vol.70 (1), p.925-927</ispartof><rights>American Institute of Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c144f-850457ea74bf2a95a8703e0fdf85b6d768cad5cc3518362de0e5560199a4ae133</citedby><cites>FETCH-LOGICAL-c144f-850457ea74bf2a95a8703e0fdf85b6d768cad5cc3518362de0e5560199a4ae133</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/10.1063/1.1149462$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,794,1558,4510,23928,23929,25138,27922,27923,76154,76160</link.rule.ids></links><search><creatorcontrib>Orsitto, F.</creatorcontrib><creatorcontrib>Belforte, M. R.</creatorcontrib><creatorcontrib>Brusadin, A.</creatorcontrib><creatorcontrib>Giovannozzi, E.</creatorcontrib><creatorcontrib>Pacella, D.</creatorcontrib><creatorcontrib>May, M. J.</creatorcontrib><title>Z eff spatial profiles from Bremsstrahlung emission in the near infrared spectral region</title><title>Review of Scientific Instruments</title><description>Measurements of plasma radiation in the infrared (IR) BREM_IR range
(λ=978
nm
,
Δλ=38
nm
),
at 16 horizontal lines of sight intersecting the central vertical chord of the [Frascati Tokamak Upgrade (FTU)
R=0.935
m
,
a=0.3
m
,
B=4–8
T
], from
z=−0.22
m
below, to
z=0.08
m
above the equatorial plane, are performed using the detection system of the Thomson scattering apparatus [F. Orsitto et al., Appl. Opt. 34, 2712 (1995)] (TS). The measured BREM_IR intensity is equal
I(z)=〈Z
eff
Gn
e
2
/T
e
1/2
〉
where 〈〉 means line average. For determining the
Z
eff
,
the Gaunt factor (G) is needed, and the Born–Elwert formula is used. The
Z
eff
spatial profiles are determined using the plasma temperature
(T
e
)
and density
(n
e
)
measured by the TS, DCN interferometer, and Abel inverted intensity profiles.
Z
eff
(r)
versus time behavior in FTU discharges is presented for krypton injection experiments aimed to investigate the particle confinement behavior during strong injection of impurities.</description><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1999</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp90E1LAzEQBuAgCq7Vg_8gV4Wtmc3HZo9arAoFLwriZUmzkzayXySr4L830qIHwbnMHB5emJeQc2BzYIpfwRxAVEIVByQDpqu8VAU_JBljXOSqFPqYnMT4xtJIgIy8vFJ0jsbRTN60dAyD8y1G6sLQ0ZuAXYxTMNv2vd9Q7HyMfuip7-m0RdqjCel2wQRsUgTaRFsacJPQKTlypo14tt8z8ry8fVrc56vHu4fF9Sq3IITLtWRClmhKsXaFqaTRJePIXOO0XKumVNqaRlrLJWiuigYZSqkYVJURBoHzGbnY5dowxBjQ1WPwnQmfNbD6u5Ia6n0lyV7ubLR-Sg8P_Q_-GMIvrMfG_Yf_Jn8BmaRwNQ</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>Orsitto, F.</creator><creator>Belforte, M. R.</creator><creator>Brusadin, A.</creator><creator>Giovannozzi, E.</creator><creator>Pacella, D.</creator><creator>May, M. J.</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>199901</creationdate><title>Z eff spatial profiles from Bremsstrahlung emission in the near infrared spectral region</title><author>Orsitto, F. ; Belforte, M. R. ; Brusadin, A. ; Giovannozzi, E. ; Pacella, D. ; May, M. J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c144f-850457ea74bf2a95a8703e0fdf85b6d768cad5cc3518362de0e5560199a4ae133</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1999</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Orsitto, F.</creatorcontrib><creatorcontrib>Belforte, M. R.</creatorcontrib><creatorcontrib>Brusadin, A.</creatorcontrib><creatorcontrib>Giovannozzi, E.</creatorcontrib><creatorcontrib>Pacella, D.</creatorcontrib><creatorcontrib>May, M. J.</creatorcontrib><collection>CrossRef</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Orsitto, F.</au><au>Belforte, M. R.</au><au>Brusadin, A.</au><au>Giovannozzi, E.</au><au>Pacella, D.</au><au>May, M. J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Z eff spatial profiles from Bremsstrahlung emission in the near infrared spectral region</atitle><btitle>Review of Scientific Instruments</btitle><date>1999-01</date><risdate>1999</risdate><volume>70</volume><issue>1</issue><spage>925</spage><epage>927</epage><pages>925-927</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>Measurements of plasma radiation in the infrared (IR) BREM_IR range
(λ=978
nm
,
Δλ=38
nm
),
at 16 horizontal lines of sight intersecting the central vertical chord of the [Frascati Tokamak Upgrade (FTU)
R=0.935
m
,
a=0.3
m
,
B=4–8
T
], from
z=−0.22
m
below, to
z=0.08
m
above the equatorial plane, are performed using the detection system of the Thomson scattering apparatus [F. Orsitto et al., Appl. Opt. 34, 2712 (1995)] (TS). The measured BREM_IR intensity is equal
I(z)=〈Z
eff
Gn
e
2
/T
e
1/2
〉
where 〈〉 means line average. For determining the
Z
eff
,
the Gaunt factor (G) is needed, and the Born–Elwert formula is used. The
Z
eff
spatial profiles are determined using the plasma temperature
(T
e
)
and density
(n
e
)
measured by the TS, DCN interferometer, and Abel inverted intensity profiles.
Z
eff
(r)
versus time behavior in FTU discharges is presented for krypton injection experiments aimed to investigate the particle confinement behavior during strong injection of impurities.</abstract><doi>10.1063/1.1149462</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0034-6748 |
| ispartof | Review of Scientific Instruments, 1999, Vol.70 (1), p.925-927 |
| issn | 0034-6748 1089-7623 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1149462 |
| source | AIP Journals Complete; AIP Digital Archive |
| title | Z eff spatial profiles from Bremsstrahlung emission in the near infrared spectral region |
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