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Optical Engineering

Image assessment of a birefringent lens based on the factor of encircled energy
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Paper Abstract

The factor of encircled energy (FEE) in the diffraction pattern formed by an optical system consisting of an aberration-free birefringent lens sandwiched between two linear polarizers is computed directly from the optical transfer function (OTF) of the system. FEE curves are given showing the variation of image quality of the proposed system at the Gaussian image plane and other observation planes with the birefringent lens parameters and the azimuthal settings of the transmission axes of the polarizers. The performance is compared to that of an ideal conventional glass lens.

Paper Details

Date Published: 1 April 2003
PDF: 7 pages
Opt. Eng. 42(4) doi: 10.1117/1.1555736
Published in: Optical Engineering Volume 42, Issue 4
Show Author Affiliations
Sucharita Sanyal, Shizuoka Univ. (Japan)
Ajay Ghosh, Calcutta Univ. (India)


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