An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X
A new ultraviolet-visible-near infrared (UV-VIS-NIR) overview spectroscopy has been developed for routinely monitoring divertor recycling, intrinsic and extrinsic impurity fluxes on Wendelstein 7-X (W7-X). The overview spectroscopy is part of a large integrated system which allows several diagnostic...
| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2018-08-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/1.5033371 |
| _version_ | 1818239315777421312 |
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| author | Y. Wei E. Wang Y. Liang S. Brezinsek B. Schweer M. Krychowiak O. Neubauer R. König S. Sereda Ch. Linsmeier W7-X Team |
| author_facet | Y. Wei E. Wang Y. Liang S. Brezinsek B. Schweer M. Krychowiak O. Neubauer R. König S. Sereda Ch. Linsmeier W7-X Team |
| author_sort | Y. Wei |
| collection | DOAJ |
| description | A new ultraviolet-visible-near infrared (UV-VIS-NIR) overview spectroscopy has been developed for routinely monitoring divertor recycling, intrinsic and extrinsic impurity fluxes on Wendelstein 7-X (W7-X). The overview spectroscopy is part of a large integrated system which allows several diagnostic systems to share the same field of view through an endoscope. During the first divertor operation phase on W7-X, a temporary view port was setup for the overview spectroscopy in order to investigate the divertor plasmas and provide reference data for the commissioning of the whole integrated endoscope system. The overview spectroscopy uses a 5-channel spectrometer to cover the wavelength range 300-1100 nm. The reciprocal linear dispersion of the spectrometer are in the range of 0.04-0.19 nm/pixel. The spatial coverage of the system is 10 cm in the vertical direction and 20 cm in the toroidal direction. The first full spectral survey identified H, He, C, O, Fe, Ne, N and Ar lines. The temporal evolutions of hydrogen and impurity radiation with maximum 10 ms resolution were obtained. Spectra fall in the range of filter transmission curves have been investigated for the filter camera systems which will be commissioned along with the endoscope in the next operation phase. |
| first_indexed | 2024-12-12T12:55:36Z |
| format | Article |
| id | doaj.art-ac57ca93c87847649bcacffdbc18b9d5 |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-12-12T12:55:36Z |
| publishDate | 2018-08-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-ac57ca93c87847649bcacffdbc18b9d52022-12-22T00:23:54ZengAIP Publishing LLCAIP Advances2158-32262018-08-0188085011085011-810.1063/1.5033371033808ADVAn ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-XY. Wei0E. Wang1Y. Liang2S. Brezinsek3B. Schweer4M. Krychowiak5O. Neubauer6R. König7S. Sereda8Ch. Linsmeier9W7-X TeamForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyLaboratoire de Physique des Plasmas-Laboratorium voor Plasmafysica, ERM/KMS, 1000 Brussels, BelgiumMax Planck Institute for Plasma Physics, 17491 Greifswald, GermanyForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyMax Planck Institute for Plasma Physics, 17491 Greifswald, GermanyForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyForschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, Partner of the Trilateral Euregio Cluster (TEC), 52425 Jülich, GermanyA new ultraviolet-visible-near infrared (UV-VIS-NIR) overview spectroscopy has been developed for routinely monitoring divertor recycling, intrinsic and extrinsic impurity fluxes on Wendelstein 7-X (W7-X). The overview spectroscopy is part of a large integrated system which allows several diagnostic systems to share the same field of view through an endoscope. During the first divertor operation phase on W7-X, a temporary view port was setup for the overview spectroscopy in order to investigate the divertor plasmas and provide reference data for the commissioning of the whole integrated endoscope system. The overview spectroscopy uses a 5-channel spectrometer to cover the wavelength range 300-1100 nm. The reciprocal linear dispersion of the spectrometer are in the range of 0.04-0.19 nm/pixel. The spatial coverage of the system is 10 cm in the vertical direction and 20 cm in the toroidal direction. The first full spectral survey identified H, He, C, O, Fe, Ne, N and Ar lines. The temporal evolutions of hydrogen and impurity radiation with maximum 10 ms resolution were obtained. Spectra fall in the range of filter transmission curves have been investigated for the filter camera systems which will be commissioned along with the endoscope in the next operation phase.http://dx.doi.org/10.1063/1.5033371 |
| spellingShingle | Y. Wei E. Wang Y. Liang S. Brezinsek B. Schweer M. Krychowiak O. Neubauer R. König S. Sereda Ch. Linsmeier W7-X Team An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X AIP Advances |
| title | An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X |
| title_full | An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X |
| title_fullStr | An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X |
| title_full_unstemmed | An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X |
| title_short | An ultraviolet-visible-near infrared overview spectroscopy for divertor plasma diagnosis on Wendelstein 7-X |
| title_sort | ultraviolet visible near infrared overview spectroscopy for divertor plasma diagnosis on wendelstein 7 x |
| url | http://dx.doi.org/10.1063/1.5033371 |
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