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期刊论文
Auto-correlation Properties of Scattering Light in Ultrasound-modulated Random Media*
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In this paper, the auto-con'elation properties of scattering light in random media modulated by ultrasound were studied. The expression of temporal auto-con'elation function of scattering light amplitude in the ultrasound-modulated media was presented. The results show that the auto-correlation function is modulated as the ultrasound is introduced into the media and the modulation amplitude decays with correlation time. The influences of ultrasound amplitude, Brownian diffusion coefficient, scattering and absorption coefficients on auto-correlation function were discussed. The aura-correlation imaging of an object hidden in random media was also studied by the use of Monte Carlo simulations.
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