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An FPGA-based bolometer for the MAST-U Super-X divertor.

Lovell, Jack and Naylor, Graham and Field, Anthony and Drewelow, Peter and Sharples, Ray (2016) 'An FPGA-based bolometer for the MAST-U Super-X divertor.', Review of scientific instruments., 87 (11). 11E721.

Abstract

A new resistive bolometer system has been developed for MAST-Upgrade. It will measure radiated power in the new Super-X divertor, with millisecond time resolution, along 16 vertical and 16 horizontal lines of sight. The system uses a Xilinx Zynq-7000 series Field-Programmable Gate Array (FPGA) in the D-TACQ ACQ2106 carrier to perform real time data acquisition and signal processing. The FPGA enables AC-synchronous detection using high performance digital filtering to achieve a high signal-to-noise ratio and will be able to output processed data in real time with millisecond latency. The system has been installed on 8 previously unused channels of the JET vertical bolometer system. Initial results suggest good agreement with data from existing vertical channels but with higher bandwidth and signal-to-noise ratio.

Item Type:Article
Additional Information:Contributed paper, published as part of the Proceedings of the 21st Topical Conference on High-Temperature Plasma Diagnostics, Madison, Wisconsin, USA, June 2016.
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1063/1.4961556
Publisher statement:© 2016 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Lovell, Jack, Naylor, Graham, Field, Anthony, Drewelow, Peter and Sharples, Ray (2016) 'An FPGA-based bolometer for the MAST-U Super-X divertor.', Review of scientific instruments., 87 (11): 11E721 and may be found at http://dx.doi.org/10.1063/1.4961556
Date accepted:27 July 2016
Date deposited:06 September 2016
Date of first online publication:29 August 2016
Date first made open access:29 August 2017

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