Mechanisms of ultrasonic modulation of multiply scattered incoherent light based on diffusion theory

doi:10.1088/1674-1056/24/1/018701

Abstract

An analytic equation interpreting the intensity of ultrasound-modulated scattering light is derived, based on diffusion theory and previous explanations of the intensity modulation mechanism. Furthermore, an experiment of ultrasonic modulation of incoherent light in a scattering medium is developed. This analytical model agrees well with experimental results, which confirms the validity of the proposed intensity modulation mechanism. The model supplements the existing research on the ultrasonic modulation mechanism of scattering light.

Keywords: ultrasound-modulated scattering light intensity modulation mechanism diffusion theory incoherent light

Received: 24 July 2014
Revised: 17 September 2014
Accepted manuscript online:

PACS:	87.50.cf	(Biophysical mechanisms of interaction)
	42.25.Dd	(Wave propagation in random media)

Fund:

Project supported by the National Natural Science Foundation of China (Grant No. 61178089), the Key Program of Science and Technology of Fujian Province, China (Grant No. 2011Y0019), and the Educational Department of Fujian Province, China (Grant No. JA13074).

Corresponding Authors: Li Hui
E-mail: hli@fjnu.edu.cn

Cite this article:

Zhu Li-Li (朱莉莉), Li Hui (李晖) Mechanisms of ultrasonic modulation of multiply scattered incoherent light based on diffusion theory 2015 Chin. Phys. B 24 018701

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Mechanisms of ultrasonic modulation of multiply scattered incoherent light based on diffusion theory

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