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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

  • Editor: Franco Gori
  • Vol. 30, Iss. 10 — Oct. 1, 2013
  • pp: 2021–2028

Evaporating droplet hologram simulation for digital in-line holography setup with divergent beam

Loïc Méès, Nathalie Grosjean, Delphine Chareyron, Jean-Louis Marié, Mozhdeh Seifi, and Corinne Fournier  »View Author Affiliations


JOSA A, Vol. 30, Issue 10, pp. 2021-2028 (2013)
http://dx.doi.org/10.1364/JOSAA.30.002021


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Abstract

Generalized Lorenz–Mie theory (GLMT) for a multilayered sphere is used to simulate holograms produced by evaporating spherical droplets with refractive index gradient in the surrounding air/vapor mixture. Simulated holograms provide a physical interpretation of experimental holograms produced by evaporating Diethyl Ether droplets with diameter in the order of 50 μm and recorded in a digital in-line holography configuration with a divergent beam. Refractive index gradients in the surrounding medium lead to a modification of the center part of the droplet holograms, where the first fringe is unusually bright. GLMT simulations reproduce this modification well, assuming an exponential decay of the refractive index from the droplet surface to infinity. The diverging beam effect is also considered. In both evaporating and nonevaporating cases, an equivalence is found between Gaussian beam and plane wave illuminations, simply based on a magnification ratio to be applied to the droplets’ parameters.

© 2013 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(290.4020) Scattering : Mie theory
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: July 10, 2013
Manuscript Accepted: July 30, 2013
Published: September 18, 2013

Citation
Loïc Méès, Nathalie Grosjean, Delphine Chareyron, Jean-Louis Marié, Mozhdeh Seifi, and Corinne Fournier, "Evaporating droplet hologram simulation for digital in-line holography setup with divergent beam," J. Opt. Soc. Am. A 30, 2021-2028 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-10-2021

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