Effect of Variable Apodization Functions on the Image Quality of Optical System
DOI:
https://doi.org/10.32628/IJSRSET25121159Keywords:
optical system, intensity Point spread function, Amplitude filtersAbstract
Apodization of pupil with various amplitude filters have been investigated for altering the point spread function for diffraction-limited optical systems' pictures of point objects by employing various filters, such as connes and tringle filters. We have shown that, for different levels of amplitude apodization, the lower values. An observation that these filters give good results for lower values of the apodization parameter. (FWHM) Full width at half maximum of the point spread function (PSF) is smaller than the Airy PSF, improving the performance of the optical system.
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Asakura T. Mishina. H., “Diffraction by Circular Apertures with a ring shaped-II phased change”. Jap. J. Appl. Phys.,9, 195(1970). DOI: https://doi.org/10.1143/JJAP.9.195
Rao.K.P., Mondal. P.K., Atti. Fond. G. Ronchi, vol. 31, pp.221(1976)
R. Komala, A. Naresh Kumar Reddy, M.K. Goud, S.L. Goud, Point spread function of asymmetrically apodised optical systems. Acta Phys. Polon. 122, 90–95 (2011). DOI: https://doi.org/10.12693/APhysPolA.122.90
A. Naresh Kumar Reddy, R. Komala, M.K. Goud, S. L. Goud, AIP1391, 341–343 (2011). doi:10.1063/ 1.3643543
A. Reddy, Dasari Karuna Sagar,“ Two-point resolution of asymmetrically apodized optical systems”, Vol. 46, PP.215-222 (2013).
P. Thirupathi,,Dr.T.Ramakrishna Goud,“ Half Power Diameter Of Circularly Symmetric Optical Systems WithHigher-Order Parabolic Filters”, Vol. 4, ISSN (e): 2319 – 1813 ISSN (p): 2319 – 1805, PP. 75-79 (2015).
Salkapuram Vidya Rani, Padamuttum Anitha, Nampally Sabitha, Dasari Karuna Sagar. “Point Spread Functions of aberrated Leaky annular apertures with defocus”, Vol. 15, PP.10-12 (2023). DOI: https://doi.org/10.4302/plp.v15i1.1199
Ghada S. Karam, Ali H. Al-Hamadani, Nada Qasim, Nada S.Karam, Azhr A. Raheem, Qusay Khaled, “Effect of Parabolic Filter on the Resolution of Point Spread Function for Apodized Optical Environment System,” Vol-11, Issue-3, (2021)
A.N.K. Reddy, M. Hashemi, D.K. Sagar, Pramana – J. Phy. 94, P. 1 (2020).
D. Karuna Sagar, G. Bikshamaiah, S.L. Goud, J. Mod. Opt. 53, 2011(2006). DOI: https://doi.org/10.1080/09500340600787507
A. N. K. Reddy, M. Hashemi, D.K. Sagar, Pramana – J. Phy. 94, P. 1(2020) DOI: https://doi.org/10.1007/s12043-020-02016-6
A .N. K. Reddy, D.K. Sagar, Optica Pura y Aplicada, 46, 215 (2013). DOI: https://doi.org/10.7149/OPA.46.3.215
Rao, K.P. Mondal, P.K., Seshagiri Rao, T “Strehl ratio for the Straubel class of apodisation filters is the encircled energy enclosed within a circle of infinitesimal radius”, Atti, Found. G. Ronchi,32, (1977).
Naresh Kumar Reddy Andra, Karuna Sagar Dasari, M. Keshavulu Goud, “Improving axial resolution of asymmetrically apodised optical systems with two dimensional complex pupil filters”, Vol 45, ISSN 0972-8821,PP2(2015). DOI: https://doi.org/10.1007/s12596-015-0295-0
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