Prof. Gabriel Popescu
Professor at Univ of Illinois
SPIE Involvement:
Conference Chair | Conference Program Committee | Editorial Board Member: Journal of Biomedical Optics | Editor | Author | Instructor | Student Chapter Advisor | Visiting Lecturer
Publications (69)

Proceedings Article | 11 March 2020 Presentation
Proc. SPIE. 11249, Quantitative Phase Imaging VI
KEYWORDS: Proteins, Biomedical optics, Video, Microscopy, Phase imaging, Nervous system, Alzheimer's disease, Epilepsy, Neurons, Brain

Proceedings Article | 11 March 2020 Presentation
Proc. SPIE. 11249, Quantitative Phase Imaging VI
KEYWORDS: Proteins, Green fluorescent protein, Tumors, Microscopy, Luminescence, Nondestructive evaluation, Optical testing, Phase imaging, Photonics, Phase measurement

Proceedings Article | 11 March 2020 Presentation
Proc. SPIE. 11249, Quantitative Phase Imaging VI
KEYWORDS: Liver, Cancer, Visualization, Tissues, Image processing, Skin, Microscopy, Phase imaging, Kidney, Tissue optics

Proceedings Article | 11 March 2020 Presentation
Proc. SPIE. 11249, Quantitative Phase Imaging VI
KEYWORDS: Phase contrast, Image segmentation, Phase imaging, Machine learning, Lead

Proceedings Article | 11 March 2020 Presentation
Proc. SPIE. 11249, Quantitative Phase Imaging VI
KEYWORDS: Biomedical optics, Image segmentation, Image processing, Microscopy, Luminescence, Medical research, Toxicity, Head, Phase imaging, Analytical research

Showing 5 of 69 publications
Proceedings Volume Editor (8)

SPIE Conference Volume | 17 April 2020

SPIE Conference Volume | 5 March 2020

SPIE Conference Volume | 7 June 2019

SPIE Conference Volume | 23 August 2018

SPIE Conference Volume | 27 April 2018

Showing 5 of 8 publications
Conference Committee Involvement (16)
Quantitative Phase Imaging VII
6 March 2021 | San Francisco, California, United States
Unconventional Optical Imaging II
7 April 2020 | Online Only, France
Optics and Photonics for Advanced Dimensional Metrology
6 April 2020 | Online Only, France
Quantitative Phase Imaging VI
1 February 2020 | San Francisco, California, United States
Optical Elastography and Tissue Biomechanics VII
1 February 2020 | San Francisco, California, United States
Showing 5 of 16 Conference Committees
Course Instructor
SC1148: Introduction to Quantitative Phase Imaging (QPI)
This course aims to help researchers join the exciting and quickly emerging field of biomedical QPI. Quantifying cell-induced shifts in the optical path-lengths permits nanometer scale measurements of structures and motions in a non-contact, non-invasive manner. We will explain the basic principles and applications of QPI. In the first part of the course – Methods - we will cover the main approaches to QPI, including phase-shifting, off-axis, common-path, and white-light methods, together with their figures of merit. A practical guide to designing and implementing instrumentation for QPI, along with image processing techniques will be presented. The second part of the course – Applications – will review recent advances in biomedical applications of QPI. We will cover basic applications published in the recent literature on cell structure, dynamics and light scattering, as well as clinical applications such as blood testing and tissue diagnosis.
SC1254: Fourier Optics
This course aims to familiarize optics researchers with the power of the Fourier transform and its application in all branches of linear optics. We will cover concepts of field propagation in both time and space and employ useful properties of the Fourier transform to gain understanding into physical phenomena and simplify our calculations. The first part of the course will be dedicated to describing the Fourier transform in 1D, 2D, and 3D, along with its most important properties, relevant to optical signals. The second part will be focused on applying the Fourier transform to solving optical problems of practical interest, as follows. 1D: pulse propagation in dispersive media, plane wave propagation in space; 2D: light diffraction on arbitrary apertures, imaging of two-dimensional objects, spatial and temporal coherence, holography; 3D: light scattering under the Born approximation and tomographic reconstructions.
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