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Keynote Speakers

ICAPI | Sep 2025

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  • ICAPI | Sep 2025
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Keynote Speakers


Prof. Malgorzata Kujawinska
Warsaw University of Technology, Poland
Speech Title:  Quantitative Phase Imaging: metrological challenges and opportunities
Abstract:   Quantitative Phase Imaging (QPI) refers to a number of label-free 2D and 3D microscopy techniques that provide contrast by quantifying the phase shifts in the wavefront when light propagates through a transparent specimen. QPI has emerged as a powerful tool in advanced biomedical research. . In this talk I will discuss the recent progress and trends in development and applications of QPI systems. This includes improved algorithms and hardware for measurement of scattering objects, combining coherent and incoherent light QPI methods into , multimodal measurement systems, as well as applying AI solutions to support better reconstruction of biophysical parameters of cells and tissues. Emphasis will be given to metrology aspects of 2D and 3D QPI as this problem is most often overlooked in both research and commercial systems. Large variety of phantoms (produced by means of the two-photon polymerization) that strive to mimic biomedical specimens and their interaction with light will be presented, ultimately providing tool for validation and benchmarking a variety of QPI systems. The approach to metrology presented across this work is well-suited for rapidly progressing field of QPI and can be a catalyst for finding new ways of investigating biomedical and engineering specimens. 
About the Speaker:  Malgorzata Kujawinska, received her PhD degree in Applied Optics from Warsaw University of Technology (WUT), Poland. She is a professor and head of Quantitative Phase Imaging Team at WUT,  international expert in applied optics and optical metrology for engineering, biomedical, and cultural heritage applications. She is SPIE and OPTICA Fellow, past SPIE President, recipient of SPIE Chandra S. Vikram Award in Optical Metrology and SPIE Denis Gabor Award in Diffractive Optics.


Prof.  I
brahim Abdulhalim
 Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
Speech Title:  Liquid Crystal Devices for Photonic Applications: Fast Light Modulation, Imaging, and Energy Saving
Abstract:  Several photonic non-display applications of liquid crystals require higher performance in terms of speed, wide tunability, and high contrast. However, achieving both fast response times and strong electro-optic effects is inherently challenging, as these two characteristics typically compete against each other—a limitation rooted in the linear response theorem. We have been developing several strategies to mitigate the problem lately: (i) tailored design to the specific application, (ii) combining LCs with metasurfaces, (iii) designing nanocavity resonant structures where the optical field is concentrated in a region where the LC responds faster to external perturbations. I will present the concepts and performance of several devices we have developed, which are suitable for fast spectral imaging, interferometric imaging, fast polarimetric imaging, optical telecommunications, smart windows for energy saving, and integrated photonics.
About the Speaker:  Ibrahim Abdulhalim has been a Professor of Electrooptics and Photonics Engineering at Ben-Gurion University since 2005, where he also served as the Head of the Department from 2007 to 2015. He has held positions at several academic institutions and companies, including the OCSC at UC Boulder, the ORC at Southampton University, the Thin Films Center at the University of Western Scotland, KLA-Tencor, Nova, and GWS Photonics. His current research focuses on liquid crystal devices for photonic applications, tunable nanophotonic metamaterials for biosensing and energy conservation, and optical imaging. He has published over 300 articles, authored two books, contributed 13 book chapters, and holds 25 granted patents. Abdulhalim is a Fellow of the Institute of Physics (IoP) and SPIE, a Senior Member of OPTICA, and a member of the International Liquid Crystal Society (ILCS). He has served on the editorial boards of several journals and is currently an Associate Editor for the Journals of Sensors and Biosensors and a Topical Editor for Applied Optics. Abdulhalim has supervised over 50 graduate students throughout his career, including M.Sc., Ph.D., and postdoctoral researchers. He is also the founder of two companies: Photonicsys, specializing in miniature plasmonic sensors, and Photoliqsys, which develops advanced liquid crystal devices.

Further information about CIPHR project

For information, please contact project manager Tiia Lillemaa, tiia.lillemaa@ut.ee

Press release  I The University of Tartu  I Living and working in Estonia

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This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 857627.
Disclaimer:  The site reflects only the CIPHR project team view, the funding agency is not responsible for any use that may be made of the information it contains.

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