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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 30 — Oct. 20, 1999
  • pp: 6253–6256

Far-Field Propagation of an Off-Axis Gaussian Wave

Xiaodong Zeng, Changhong Liang, and Yuying An  »View Author Affiliations


Applied Optics, Vol. 38, Issue 30, pp. 6253-6256 (1999)
http://dx.doi.org/10.1364/AO.38.006253


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Abstract

Based on a far-field asymptotic solution of the Helmholtz equation a vector theory to describe the propagation of an off-axis Gaussian wave is developed, the accurate formulas represented in terms of elementary functions are derived, and the propagation properties such as wave spot size and divergence angle are discussed in detail. The applicable range of scalar theory is also presented. A relative error criterion of optical intensity is given by ε = sin2 α.

© 1999 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(260.1960) Physical optics : Diffraction theory
(260.2110) Physical optics : Electromagnetic optics

Citation
Xiaodong Zeng, Changhong Liang, and Yuying An, "Far-Field Propagation of an Off-Axis Gaussian Wave," Appl. Opt. 38, 6253-6256 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-30-6253


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References

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  8. X. Zeng, C. Liang, and Y. An, “Far-field radiation of planar Gaussian sources and comparison with solutions based on the parabolic approximation,” Appl. Opt. 36, 4491–4496 (1997).

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