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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. 15, Iss. 5 — May. 1, 1998
  • pp: 1144–1148

Corrections to the paraxial approximation of an arbitrary free-propagation beam

Qing Cao and Ximing Deng  »View Author Affiliations


JOSA A, Vol. 15, Issue 5, pp. 1144-1148 (1998)
http://dx.doi.org/10.1364/JOSAA.15.001144


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Abstract

A relatively simple transform from an arbitrary solution of the paraxial wave equation to the corresponding exact solution of the Helmholtz wave equation is derived in the condition that the evanescent waves are ignored and is used to study the corrections to the paraxial approximation of an arbitrary free-propagation beam. Specifically, the general lowest-order correction field is given in a very simple form and is proved to be exactly consistent with the perturbation method developed by Lax [Phys. Rev. A 11, 1365 (1975)]. Some special examples, such as the lowest-order correction to the paraxial approximation of a fundamental Gaussian beam whose waist plane has a parallel shift from the z=0 plane, are presented.

© 1998 Optical Society of America

OCIS Codes
(230.1360) Optical devices : Beam splitters
(350.5500) Other areas of optics : Propagation

History
Original Manuscript: September 16, 1997
Revised Manuscript: January 5, 1998
Manuscript Accepted: January 5, 1998
Published: May 1, 1998

Citation
Qing Cao and Ximing Deng, "Corrections to the paraxial approximation of an arbitrary free-propagation beam," J. Opt. Soc. Am. A 15, 1144-1148 (1998)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-15-5-1144


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References

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