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  • Vol. 30, Iss. 11 — Jun. 1, 2005
  • pp: 1312–1314

Wave-front spacing in the focal region of high-numerical-aperture systems

John T. Foley and Emil Wolf  »View Author Affiliations


Optics Letters, Vol. 30, Issue 11, pp. 1312-1314 (2005)
http://dx.doi.org/10.1364/OL.30.001312


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Abstract

The wave-front spacing in the focal region of an aplanatic focusing system is investigated by use of the vector theory of electromagnetic diffraction for monochromatic, linearly polarized incident light. It is shown that, in systems of high numerical aperture, the wave-front spacing near the focus is significantly larger than the wavelength of the incident light and that the wave-front spacing changes significantly within a few wavelengths of the focus and can be less than a wavelength.

© 2005 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(110.2990) Imaging systems : Image formation theory
(260.2110) Physical optics : Electromagnetic optics

Citation
John T. Foley and Emil Wolf, "Wave-front spacing in the focal region of high-numerical-aperture systems," Opt. Lett. 30, 1312-1314 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-11-1312


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References

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