Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Focusing of electromagnetic waves by paraboloid mirrors. II. Numerical results

Not Accessible

Your library or personal account may give you access

Abstract

We present results of numerical computations obtained from a theory described in Part 1 of our current investigations [J. Opt. Soc. Am. A 17, 2081 (2000)]. We show that a segment of a paraboloid mirror produces an intensity distribution identical to that of a high-aperture lens. It is shown that when the convergence angle of the paraboloid is increased beyond the π/2 limit, the lateral resolution in the direction orthogonal to the incident polarization improves, whereas in the other direction the resolution worsens. Numerical results show that paraboloid mirrors of high convergence angle exhibit dispersion; that is, when the focal length is altered by a quarter of the wavelength the intensity in the focus changes from its maximum to its minimum value. A focal shift is observed that, in the case of a paraboloid of low convergence angle is identical to the Fresnel shift. However, a focal shift is also observed at large convergence angles.

© 2000 Optical Society of America

Full Article  |  PDF Article
More Like This
Focusing of electromagnetic waves by paraboloid mirrors. I. Theory

Peter Varga and Peter Török
J. Opt. Soc. Am. A 17(11) 2081-2089 (2000)

Numerical and experimental results for focusing of three-dimensional electromagnetic waves into uniaxial crystals

Momodou Jain, Jon Kåre Lotsberg, Jakob J. Stamnes, Øyvind Frette, Dhayalan Velauthapillai, Daya Jiang, and Xiaohong Zhao
J. Opt. Soc. Am. A 26(3) 691-698 (2009)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (9)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved