NDLI: Optical layout and alignment methods for visible tomography and emission spectroscopy diagnostics in SPIDER

Content Provider	IEEE Xplore Digital Library
Author	Delogu, R.S. Brombin, M. Zaniol, B. Agostini, M. Barbisan, M. Fonnesu, N. Tollin, M. Pasqualotto, R.
Copyright Year	2013
Description	Author affiliation: Consorzio RFX, Euratom-ENEA Assoc., Padua, Italy (Delogu, R.S.; Brombin, M.; Zaniol, B.; Agostini, M.; Barbisan, M.; Fonnesu, N.; Tollin, M.; Pasqualotto, R.)
Abstract	SPIDER, a prototype negative ion source with low voltage extraction for the ITER neutral beam injector will be equipped with a set of diagnostics in order to qualify and optimize the neutral beam for ITER. In particular, the Visible Tomography diagnostic will estimate the uniformity of the beam using a set of linear CCD cameras, while Emission Spectroscopy will measure the spatial variation of plasma parameters in the RF plasma source and evaluate the divergence of the extracted beam, analyzing the spectrum collected over multiple lines of sight. This paper presents the optical layout of the lines of sight and detection heads of Tomography and Spectroscopy and the required accuracy in their alignment, proposing also alignment criteria.
Starting Page	1
Ending Page	5
File Size	641490
Page Count	5
File Format	PDF
e-ISBN	9781479901715
DOI	10.1109/SOFE.2013.6635388
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telescopes Tomography Cameras Particle beams Spectroscopy Accuracy Lenses alignment procedure ITER SPIDER Visible Tomography Emission Spectroscopy
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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