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Optical and Quantum Electronics

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01-12-2023

Compromising of resolution and contrast in obstructed Cauchy aperture and its application in confocal microscopy

Author: A. M. Hamed

Published in: Optical and Quantum Electronics | Issue 14/2023

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Abstract

We designed an obstructed Cauchy filter to improve the microscope resolution, and we calculated the point spread function (PSF) considering the Fourier transform operation deduced from the known Fraunhofer diffraction. Then, we computed the coherent transfer function (CTF) from the autocorrelation of the modulated Cauchy aperture. We applied the modulated Cauchy pupils to a confocal scanning laser microscope (CSLM) and examined the obtained images. We compared the images with the case of uniform circular apertures. We used the MATLAB code to make all the images and plots.

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Title: Compromising of resolution and contrast in obstructed Cauchy aperture and its application in confocal microscopy
Author: A. M. Hamed
Publication date: 01-12-2023
Publisher: Springer US
Published in: Optical and Quantum Electronics / Issue 14/2023
Print ISSN: 0306-8919
Electronic ISSN: 1572-817X
DOI: https://doi.org/10.1007/s11082-023-05507-z

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