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Computer Optics, 2018, Volume 42, Issue 4, Pages 620–626
DOI: https://doi.org/10.18287/2412-6179-2018-42-4-620-626 (Mi co544) 		 
This article is cited in 8 scientific papers (total in 8 papers)

OPTO-IT

Focusing of light beams by the phase apodization pupil

A. K. Reddyab, M. Martinez-Corralc, S. N. Khoninabd, S. V. Karpeevbd

a School of Engineering, Anurag Group of Institutions, Venkatapur, Ghatkesar, Medchal district, Hyderabad - 500008, Telangana, India
b Samara National Research University, 443086, Russia, Samara, Moskovskoye Shosse 34
c 3D imaging and Display Laboratory, Department of Optics and Optometry, University of Valencia, E-46100 Burjassot, Spain
d IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Molodogvardeyskaya 151, 443001, Samara, Russia
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DOI: https://doi.org/10.18287/2412-6179-2018-42-4-620-626
Abstract: We investigated reduction of the size of the illuminated beam in the focal region produced by the optical systems of NA = 0.99 has been. The intensity distributions of polarized light field in the focal volume for the phase apodization pupil have been discussed. The circular pupil in different phase apodization situations can be employed to control the field components in the resultant intensity distribution. We show that both axial and transverse resolution improvement in the focal distribution is possible by applying proper phase engineering in the annulus of the pupil function.
Keywords: focal spot, phase apodization, linear polarization, resolution, high numerical aperture focusing system.
Funding agency Grant number
Russian Foundation for Basic Research 16-07-00825 à
16-29-11698 îôè-ì
Russian Academy of Sciences - Federal Agency for Scientific Organizations 007-GZ/Ch3363/26
This work was financially supported by the Russian Foundation for Basic Research (grants 16-07-00825, 16-29-11698) in part of vector computer calculations and by the Ministry of Science and Higher Education within the State assignment FSRC “Crystallography and Photonics” RAS No 007-GZ/Ch3363/26 in part of scalar computer calculations.
Received: 06.12.2017
Accepted: 30.03.2018
Document Type: Article
Language: English
Citation: A. K. Reddy, M. Martinez-Corral, S. N. Khonina, S. V. Karpeev, “Focusing of light beams by the phase apodization pupil”, Computer Optics, 42:4 (2018), 620–626
Citation in format AMSBIB
\Bibitem{RedMarKho18}
\by A.~K.~Reddy, M.~Martinez-Corral, S.~N.~Khonina, S.~V.~Karpeev
\paper Focusing of light beams by the phase apodization pupil
\jour Computer Optics
\yr 2018
\vol 42
\issue 4
\pages 620--626
\mathnet{http://mi.mathnet.ru/co544}
\crossref{https://doi.org/10.18287/2412-6179-2018-42-4-620-626}
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    • This publication is cited in the following 8 articles:
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