This book serves as a valuable resource for researchers and graduate students specializing in optical engineering and optical sciences. Comprising three distinct parts, it addresses fundamental aspects and practical applications of modulated apertures in microscopy. The first part delves into the fabrication of modulated apertures and the computation of impulse responses or point spread functions (PSFs). It offers essential insights into the foundational concepts of modulated aperture design. The second part focuses on the utilization of modulated apertures in speckle imaging, elucidating their significance and relevance in this context. This section provides a comprehensive understanding of the practical applications of modulated apertures in image formation. The third and final part explores the application of modulated apertures within the framework of a confocal scanning laser microscope. The objective here is to enhance microscope resolution and image contrast, contributing tothe advancement of microscopy techniques. This book offers a concise and objective exploration of modulated apertures' fabrication, applications, and their potential to enhance microscopy. This book is a valuable reference for students and researchers seeking to deepen their knowledge in this specialized field.
Arvustused
"Modulated apertures and resolution in microscopy is a valuable contribution to the literature on optical imaging. It serves as a gateway for researchers and engineers aiming to explore innovative approaches to enhance the resolving power of optical microscopes, making it an essential addition to any library focused on modern microscopy techniques." (Wael Badawy, Computing Reviews, July 4, 2025)
Part I: The impulse response for modified apertures and resolution in
microscopy.- Chapter
1. Resolution in microscopy and defect of focus with
modulated apertures.- Chapter 2: Linear aperture.- Chapter 3: Linear -
quadratic aperture.- Chapter 4: A Study on Star Aperture and Their
Application in Confocal Scanning Laser Microscope.- Chapter 5: A Study on
Some Transparent Rose Apertures: An Application on the Confocal Laser
Scanning Microscope and the Speckle Images.- Chapter 6: A new model of
modulated aperture.- Part II: Application of confocal laser microscope and
speckle images.- Chapter 7: Cauchy aperture and its application in confocal
microscopy.- Chapter 8: Speckle images formed by diffusers using conical and
linear apertures.
Abdallah Mohamed Hamed graduated from Ain Shams University with a B.Sc. in Physics in 1973, achieving an Excellent with Honors degree. Subsequently, he earned an M.Sc. in Laser Optics from the same university in 1976. In 1978, he was awarded a scholarship in France, culminating in the acquisition of a Doctor of Physics degree in 1985.
His scholarly contributions include 76 international scientific publications, with 51 of these publications being indexed in Scopus, reflecting their notable impact in the field. Moreover, he actively participates in international scientific organizations and serves as a reviewer for various scientific journals such as Opt. Eng., J. Modern Opt., Opt. & Laser Tech., and Opt. Communication. Since 2011 he has been an Emeritus Professor of Physics at Ain Shams University.
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