Year: 2024
Type: article
Abstract: In this research, hexagonal aperture has been studied) which consists of two trapezoidal shapes (The diffraction pattern in the exit pupil formed by this aperture was studied when the object was a point using the point spread function (PSF), and also when the object is an infinite line using the line spread function (LSF). This study was done for a diffraction-limited system, and with the presence of some aberrations. The effects of adding focus error (first-order aberrations) and spherical aberration (second-order aberration) were studied, with values of aberration factor equal ) 0.25λ, 0.5 λ, 0.75 λ, and 1 λ ), which resulted in a larger central intensity (Strehl ratio) and a reduce in FWHM of the curves.
Author: Widad Hamza Tarkhan
Institution: University of Kufa
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4409568449