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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 7 — Mar. 1, 1996
  • pp: 1011–1014

Numerical evaluation of the Luneburg integral and ray tracing

Gleb Beliakov  »View Author Affiliations


Applied Optics, Vol. 35, Issue 7, pp. 1011-1014 (1996)
http://dx.doi.org/10.1364/AO.35.001011


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Abstract

The Luneburg integral has many applications in optics and optoelectronics, among which is determination of the refractive-index profile of a Luneburg lens with a full or nonfull aperture. Consequently, computationally efficient and accurate methods for evaluating this integral represent an important challenge. An alternative approach to numerical evaluation of the Luneburg integral that is five times faster than existing methods is described. Several improvements in the ray-tracing procedure in gradient-index media are also presented. A combination of these methods increases the speed of ray tracing through the generalized Luneburg lens by as many as 2 orders of magnitude compared with earlier algorithms. The precision of our method can be easily controlled.

© 1996 Optical Society of America

History
Original Manuscript: August 28, 1995
Published: March 1, 1996

Citation
Gleb Beliakov, "Numerical evaluation of the Luneburg integral and ray tracing," Appl. Opt. 35, 1011-1014 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-7-1011

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