## Simulating the effects of multiple scattering on images of dense sprays and particle fields

Applied Optics, Vol. 41, Issue 20, pp. 4188-4196 (2002)

http://dx.doi.org/10.1364/AO.41.004188

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### Abstract

Most optical measurements in turbid media (including sprays, fogs, particulate and colloidal suspensions) assume single scattering of the detected photons. Multiple scattering introduces error, which has been quantified in very few systems. To quantify this error, we have written a flexible Monte Carlo photon transport simulation code capable of handling any three-dimensional geometry. Simulations of planar laser spray imaging with large, nonabsorbing particles show that up to 50% of the photons reaching the camera are multiply scattered. Because forward scattering dominates, the image is affected little. For particles with more absorption or with size closer to the wavelength of the light than those we have simulated, the effects are expected to be more serious.

© 2002 Optical Society of America

**OCIS Codes**

(010.1310) Atmospheric and oceanic optics : Atmospheric scattering

(110.7050) Imaging systems : Turbid media

(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics

(170.3660) Medical optics and biotechnology : Light propagation in tissues

(290.1090) Scattering : Aerosol and cloud effects

(290.4210) Scattering : Multiple scattering

**Citation**

Mark C Jermy and Andrew Allen, "Simulating the effects of multiple scattering on images of dense sprays and particle fields," Appl. Opt. **41**, 4188-4196 (2002)

http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-20-4188

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