Measuring Advanced Light Sources and their Optics using Interferometry and Self-Cal

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• Bojan Nikolic (University of Cambridge)
• Tuesday 04 November 2025, 11:15-12:00
• Coffee area, Battcock Centre.

If you have a question about this talk, please contact David Buscher.

I will present measurements of the transverse profile the ALBA synchrotron electron beam using optical interferometry with a non-redundant mask and self-calibration of visibilities. This approach allows for a one-shot two-dimensional measurement which additionally solves for, and corrects, for the propagation errors in the wavefront. These measurements therefore demonstrate a novel combination of two astronomical techniques in a high signal-to-noise regime which may be of interest at other advanced terrestrial light sources such as Synchrotrons, XFE Ls and LPPs, as well as potentially to astronomical observations with for example the JWST AMI mode.

This talk is part of the Hills Coffee Talks series.

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