Sign in to use this feature.

Years

Between: -

Subjects

Journals

Article Types

Countries / Regions

Search Results (1)

Search Parameters:
Keywords = alkali beam emission spectroscopy

Order results
Result details
Results per page
Select all
Export citation of selected articles as:
10 pages, 2059 KiB  
Article
Development of the W7-X Alkali Metal Beam Diagnostic Observation System for OP2
by Domonkos Nagy, Sándor Zoletnik, Matthias Otte, Miklós Vécsei, Maciej Krychowiak, Ralf König, Dániel Dunai, Gábor Anda, Sándor Hegedűs, Barnabás Csillag, Imre Katona and W7-X Team
J. Nucl. Eng. 2023, 4(1), 142-151; https://doi.org/10.3390/jne4010010 - 18 Jan 2023
Cited by 2 | Viewed by 2228
Abstract
On a Wendelstein 7-X (W7-X), an alkali metal beam (AMB) diagnostic system was installed in order to measure the plasma edge electron density profiles and turbulence transport. A sodium beam was injected in the plasma, and the light emission was observed by an [...] Read more.
On a Wendelstein 7-X (W7-X), an alkali metal beam (AMB) diagnostic system was installed in order to measure the plasma edge electron density profiles and turbulence transport. A sodium beam was injected in the plasma, and the light emission was observed by an optical system. During the last operation phase, OP1.2b campaign trial spectral measurements were performed with a dedicated optical branch. The results showed the emergence of potential CX lines in the light spectra during sodium injection. The lines were identified as Carbon III, which were the dominant lines observed by other diagnostics at the edge plasma. Based on these results, an additional dedicated optical system was developed and installed in 2021 for the upcoming operational phase, OP2. The optics were designed for multiple purposes: spectral measurements for the AMB system and for a He/Ne gas jet. The system was designed to allow implementation of further diagnostics on this port later (e.g., coherence imaging system). The details of the implementation of the design requirements and the main challenges of the manufacturing process and installation are discussed in this paper. Full article
Show Figures

Figure 1

Back to TopTop