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An FPGA-Based Bolometer for the MAST-U Super-X Divertor

Lovell, Jack; Naylor, Graham; Field, Anthony; Drewelow, Peter; Sharples, Ray

An FPGA-Based Bolometer for the MAST-U Super-X Divertor Thumbnail


Jack Lovell

Graham Naylor

Anthony Field

Peter Drewelow


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.


Lovell, J., Naylor, G., Field, A., Drewelow, P., & Sharples, R. (2016). An FPGA-Based Bolometer for the MAST-U Super-X Divertor. Review of Scientific Instruments, 87(11), Article 11E721.

Journal Article Type Article
Acceptance Date Jul 27, 2016
Online Publication Date Aug 29, 2016
Publication Date Nov 1, 2016
Deposit Date Sep 6, 2016
Publicly Available Date Sep 6, 2016
Journal Review of Scientific Instruments
Print ISSN 0034-6748
Electronic ISSN 1089-7623
Publisher American Institute of Physics
Peer Reviewed Peer Reviewed
Volume 87
Issue 11
Article Number 11E721


Accepted Journal Article (591 Kb)

Copyright 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

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