title: High tolerance to spherical aberrations and defects of focus with a birefringent lens.
abstract: We report a systematic investigation of the imaging behavior of an optical system consisting of a lens from a uniaxial birefringent crystal sandwiched between two linear polarizers into which primary spherical aberration has been introduced. The proposed system has higher tolerance to primary spherical aberration and has a larger depth of focus than an imaging system found with an isotropic lens. Some specific cases are computed and illustrated graphically.
authors.affiliation: Department of Applied Physics, University of Calcutta, Kolkata, India. s.sanyal@cucc.ernet.in
authors.forename: Sucharita
authors.initials: S
authors.lastname: Sanyal
authors.forename: Ajay
authors.initials: A
authors.lastname: Ghosh
mesh_terms: D001718:Birefringence; D007909:Lenses; D008962:Models, Theoretical