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Apodization for improving the two-point resolution of coherent optical systems with defect of focus

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Abstract

An amplitude apodization influenced defocused optical system used to form a coherent light illuminated two-point sources with an improved resolution is analyzed. The composite coherent image intensity distributions in the defocused and the Gaussian (Yd = 0) planes have been calculated and compared. It has shown the resolution of the apodized optical system is significantly increased for an excessive amount of defocusing effect. As is clearly evidenced by the presence of irradiance dip in the resulting intensity profiles can describe the super-two-point resolution phenomena in a maximum defocused plane (Yd = 2π).

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Acknowledgements

The Corresponding author is indebted to Asher A. Friesem and Nir Davidson, Department of Physics of Complex systems, Weizmann Institute of Science, Israel for useful discussions, which indeed improved the paper. This work was supported by the Israel Science Foundation (ISF) in part of optimizing the calculations and by the Ministry of Science and Education, Russia within the state assignment FSRC “Crystallography and Photonics” RAS in part of simulation results.

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Authors and Affiliations

  1. Department of Physics of Complex Systems, Weizmann Institute of Science, 7610001, Rehovot, Israel

    Andra Naresh Kumar Reddy

  2. Samara National Research University, Moskovskoye Shosse, 34, 443086, Samara, Russia

    Andra Naresh Kumar Reddy & Svetlana Nikolaevna Khonina

  3. Image Processing Systems Institute-Branch of the Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, 443001, Samara, Russia

    Svetlana Nikolaevna Khonina

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  1. Andra Naresh Kumar Reddy
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Correspondence to Andra Naresh Kumar Reddy.

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Reddy, A.N.K., Khonina, S.N. Apodization for improving the two-point resolution of coherent optical systems with defect of focus. Appl. Phys. B 124, 229 (2018). https://doi.org/10.1007/s00340-018-7101-z

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  • DOI: https://doi.org/10.1007/s00340-018-7101-z

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