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Studying of Optical System Includes Elliptical AperturePoint Spread Function | ||
| Ibn Al-Haitham Journal For Pure And Applied Science | ||
| Article 1, Volume 22, Issue 4, 2009, Pages 71-77 | ||
| Author | ||
| A. B.Hassan | ||
| Abstract | ||
| In this work, optical system with elliptical aperture using point spread function was studied. This is due to its comparison with an optical system with a circular aperture.The present work deals with the theoretical study of intensity distribution within the image. In this work, a special formula was derived which is called the point spread function (PSF) by using a pupil function technique. The work deals with the limited optical system diffraction only (ideal system), and the system with focal shift. Also a graphic relation was founded between eccentricity and the best of focal depth given to at least (80%) of intensity. | ||
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