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Proceedings Paper

Optical measurement of hypersonic microparticles using Mie scattering
Author(s): James B. Cole; Gopalan Jagadeesh; Kazuyoshi Takayama
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Paper Abstract

When the illumination wavelength is comparable to the object size, one is in the Mie scattering regime. In this regime geometrical optics breaks down because of diffraction effects, and image data must be interpreted on the basis electromagnetic wave theory. Mie scattering problems are difficult to solve because the full vector form of Maxwell's equations must be solved subject to the appropriate boundary conditions, without the benefit of the short wavelength approximation. In this paper we present the essentials of Mie scattering theory, introduce algorithms for computing Mie scattering, and show how Mie scattering concepts can be used to image fast-moving microparticles by visible light.

Paper Details

Date Published: 17 April 2001
PDF: 4 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001);
Show Author Affiliations
James B. Cole, Univ. of Tsukuba (Japan)
Gopalan Jagadeesh, Tohoku Univ. (Japan)
Kazuyoshi Takayama, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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