Prof Sandro Olivo, Academic PI

Sandro is a Royal Academy of Engineering Chair in Emerging Technologies. He has worked in x-ray imaging and detection for 25 years, and is considered a pioneer in the field of phase-based x-ray imaging, having co-designed the in vivo mammography system operational at the Trieste synchrotron and invented the “edge-illumination” and “coded-aperture” methods. He founded the UCL Advanced X-Ray Imaging Group in 2008.

Prof David Bate, Industrial PI

David received his PhD from Imperial College and has since worked in both SEM and X-ray microscopy. He currently works for Nikon X-tek systems as VP Research and is the Industrial PI on the prosperity partnership. Through this he is also an Honourary Professor in the group.

Prof Simon Arridge, Co-I

My undergraduate degree was in Physics from Cambridge University, after which I moved to UCL Medical Physics where I completed a PhD in 1990. I moved from there directly to a lectureship in the department of Computer Science UCL where I am currently professor of image processing, and a visiting professor in the department of Mathematics. I have been a visiting scientist at the University of Eastern Finalnd, Kuopio, Finland, the Université Jean Monnet, St.Etienne, France and the Physikalisch-Technische Bundesandtalt, Berlin. I was a visiting scholar at the Mathematical Research Institute Berkeley in 2010, and at the Isaac Newton Institute special seminar on inverse problems in 2011.

Prof Ioannis Papakonstantinou, Co-I

Ioannis received his diploma in Electrical and Computer Engineering from National Technical University in Greece and his PhD in optical interconnects from UCL. He worked for Sharp Laboratories of Europe and CERN-European organisation for nuclear research before joining UCL. He is currently a Professor of Photonics and Nanofabrication in the Department of Electronic and Electrical Engineering at UCL.

Dr Charlotte Hagen, Co-I

Dr Hagen is a Principal Research Fellow, supported on a five-year individual fellowship by the Royal Academy of Engineering. A mathematician by training, Hagen has worked in an engineering environment for >10 years and has amassed expertise in CT combining its mathematical, physical, and operational aspects. Within AXIm, she directs a sub-team focused on the development of micro-tomographic methods that leverage synergies between scanner hardware, usage (acquisition, sampling) and software (reconstruction).

Dr Marco Endrizzi, Co-I

Dr. Marco Endrizzi is Associate Professor at the Department of Medical Physics and Biomedical Engineering , University College London. His contributions include a method for X-ray dark-field imaging under incoherent illumination, hence suitable for laboratory settings. Dr. Endrizzi is co-Director of the National Research Facility for lab-based X-ray Computed Tomography (NXCT), which makes the first lab-XPCI systems available to industry and the research community.

Dr Peter Munro, Co-I

Dr Munro primary expertise is in the use of mathematical and computational techniques to improve and quantify biomedical imaging techniques. One of his notable contributions is developing the first approach to phase retrieval using the edge-illumination X-ray phase imaging technique.

Dr Wilf Shorrock, NXTS Researcher

Completed a PhD in high energy physics in 2021 at Imperial College London helping to develop scintillating particle detectors. Now a Systems Researcher at Nikon X-Tek working with UCL on developing CT edge illumination technology.

Dr Daniel Briglin, NXTS Researcher

I am a software researcher for Nikon Metrology working with the large area Mo anode phase contrast CT prototype. I am looking into various edge illumination techniques and algorithms for phase contrast, dark field and attenuation imaging.

Dr Ian Buchanan, PDRA

Ian hails from Northern Ireland and began his PhD in the AXIm group with instructions to refine simulations until they matched experimental data – he is still trying, only now as a postdoc. His interests include dark field imaging and nuanced retrievals, also human rights law.

Dr Grammatiki Lioliou, PDRA

Dr Lioliou is a physicist and engineer with a track record on developing radiation detection instrumentation and a focus on high-temperature and intense-radiation tolerant x/γ -ray spectrometers. In 2021, she joined the UCL Advanced X-Ray Imaging Group to work on x-ray imaging and CT; she develops methodologies that enable quick and low radiation dose scans, while maintaining the quality of the image. 

Dr Martyna Michalska, PDRA

Dr Martyna Michalska is a research associate in the Photonic Innovations Lab (Department of Electronic and Electrical Engineering at UCL). Her research focuses on micro/nanofabrication of functional materials for energy- and healthcare-oriented applications.

Dr Nargiza Djurabekova, PDRA

Nargiza Djurabekova is a postdoctoral researcher working under the supervision of Prof. Simon Arridge on developing efficient and effective reconstruction algorithms for the new generation of X-ray scanners. During her PhD in CMIC (UCL), she worked on developing reconstruction techniques for dynamic X-ray imaging in collaboration with Curvebeam and has had the opportunity to do an internship at the CWI in Amsterdam, one of the birthplaces of the ASTRA toolbox which serves as the backend for numerous tools and software for tomographic reconstruction.

Ms Amy Ha, PhD Student

Second-year PhD student. Physics & software engineering.

Mr Joel Enwald, PhD Student

Joel is a second-year PhD student developing algorithms for new and current X-ray imaging methods. His areas of interest include signal processing, Fourier transform, machine learning and iterative optimisation.

Mr Alessandro Rossi, PhD Student

Born in Cosenza in Southern Italy, I graduated at the local Universitá della Calabria in Physics for my BSc and in Physics of Condensed Matter for my MSc. During those years, I had the opportunity to gain some practical experiences in Material Science oriented labs at RUG (Groningen, Netherlands) and Georgia Tech (Atlanta, USA). Currently working on nanofabrication of optical devices for X-ray Phase Contrast Imaging within the PP project.

Mr Carlo Peiffer, PhD Student

Carlo is a second year PhD student with a background in Semiconductor/Nanophysics at University of Regensburg, Germany. As part of his PhD research he is investigating medical and industrial Elastography as a possible application of AXIm's x-ray phase contrast imaging technique (edge illumination).

Mr Carlos Navarrete Leon, PhD Student

Carlos is a PhD student in Medical Physics and Bioengineering, with a background in Detector/X-ray physics at Universidad de los Andes, Colombia. His research focuses on developing an X-ray Micro-Computed Tomography system based on the Beam Tracking principle, with 2D sensitivity to the phase, absorption, and scattering signals.

Dr Silvia Cipiccia, Lecturer

Silvia is a lecturer in the Advanced X-ray Imaging group at the University College London. Her research activity is focussed on nano-scale imaging based on coherent diffraction imaging techniques, novel compact light sources and multimodal x-ray imaging.

Dr Alberto Astolfo, Systems Engineer

Alberto studied physics at University of Trieste and gained his first experience in the field of x-ray imaging and phase-contrast techniques during his Master’s degree and PhD at the Elettra Synchrotron. He later moved to Australia and Switzerland where he worked at the Australian Synchrotron and the Swiss Light Source, respectively. He then brought his expertise to the laboratories of UCL and Nikon Metrology in the UK. Alberto is now a valuable member of the AXIm team and plays an important role in supporting the experiments performed within the group.

Ms Sumera Rehman, PhD Student

Sumera has recently joined the Advanced X-Ray Imaging group (AXIm) at University College London (UCL) after completing a BEng in Mechanical Engineering. The aim of her PhD is to develop innovative imaging techniques for applications in various fields from materials science to medicine. Ultimately, she will be involved in designing an imaging system that can detect features in industrial and biomedical samples that were previously invisible, this will entail developing novel image analysis and reconstruction approaches.

Mr Oriol Roche I Morgó, PhD Student

PhD student working on innovative sampling strategies for x-ray computed tomography, with a focus on efficient sub-sampling schemes.

Mr Adam Doherty, PhD Student

Hi I’m Adam, a PhD student who started working with the group during my undergraduate at UCL. My research focuses on Dark-field Imaging and it’s applications across a wide range of samples in both planar and tomographic setups.

Ms Rimcy Palakkappilly Alikunju, PhD Student

I'm a Graduate Researcher working towards the development of innovative CMOS based sensor solutions coupled with cutting edge scintillation technology for X-ray detection and Imaging. My background is in Electronics and Communication Engineering with Masters in VLSI and Embedded Systems.

Mr Glafkos Havariyoun, PhD Student

Imaging Clinical Scientist at King’s College Hospital and completing a part time PhD with the UCL AXIM team. Keen interest in imaging optimisation and helping translate cutting edge imaging research into clinical practice.