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Calculation of spatial response of 2D beam emission spectroscopy diagnostic on MAST.

Abstract:

The beam emission spectroscopy (BES) turbulence diagnostic on MAST is to be upgraded in June 2010 from a one-dimensional trial system to a two-dimensional imaging system (8 radial×4 poloidal channels) based on a newly developed avalanche photodiode array camera. The spatial resolution of the new system is calculated in terms of the point spread function to account for the effects of field-line curvature, observation geometry, the finite lifetime of the excited state of the beam atoms, and bea...

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Publication status:
Published

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Publisher copy:
10.1063/1.3479037

Authors


Volume:
81
Issue:
10
Pages:
10D713
Publication date:
2010-10-05
DOI:
EISSN:
1089-7623
ISSN:
0034-6748
URN:
uuid:6d5d570d-a035-4e3b-b697-93b5e59672b5
Source identifiers:
190317
Local pid:
pubs:190317

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