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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 30, Iss. 33 — Nov. 20, 1991
  • pp: 4755–4763

Glare points

H. C. van de Hulst and R. T. Wang  »View Author Affiliations


Applied Optics, Vol. 30, Issue 33, pp. 4755-4763 (1991)
http://dx.doi.org/10.1364/AO.30.004755


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Abstract

Glare points are the intensity maxima seen when a water drop illuminated by a wide beam is viewed from a certain direction and imaged. We show that good resolution in both the scattering angle and the glare point position can be achieved only if the size parameter x = 2πa/λ is ≫ 1 and that the positions of the glare points can be computed by a Fourier transform from the familiar Lorenz–Mie scattering function. Sample computations made with x = 10,000 and x = 20,000 are presented. Glare points corresponding to rays that have suffered as many as 15 internal reflections can be identified, in agreement with experimental findings.

© 1991 Optical Society of America

History
Original Manuscript: July 19, 1990
Published: November 20, 1991

Citation
H. C. van de Hulst and R. T. Wang, "Glare points," Appl. Opt. 30, 4755-4763 (1991)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-30-33-4755


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