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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 13, Iss. 2 — Feb. 1, 1996
  • pp: 320–325

Defocusing of a converging electromagnetic wave by a plane dielectric interface

Sjoerd H. Wiersma and Taco D. Visser  »View Author Affiliations


JOSA A, Vol. 13, Issue 2, pp. 320-325 (1996)
http://dx.doi.org/10.1364/JOSAA.13.000320


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Abstract

We study how a converging spherical wave gets distorted by a plane dielectric interface. The fields in the second medium are obtained by evaluating the m-theory diffraction integral on the interface. The loss of intensity and the form of the intensity distribution are investigated. Examples are presented for various refractive-index contrasts and depths of focus. In general the intensity gets spread out over a volume that is large compared with the case without refractive-index contrast. It was found that moving the focusing lens a distance d toward the interface does not result in an equal shift of the intensity profile. This latter point has important practical implications.

© 1996 Optical Society of America

History
Original Manuscript: November 28, 1994
Revised Manuscript: July 31, 1995
Manuscript Accepted: August 14, 1995
Published: February 1, 1996

Citation
Sjoerd H. Wiersma and Taco D. Visser, "Defocusing of a converging electromagnetic wave by a plane dielectric interface," J. Opt. Soc. Am. A 13, 320-325 (1996)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-13-2-320

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