Description of bimodal temporal distribution of photons in laser pulse passed through a turbid medium

Vitaly M. Podgaetsky; Sergei A. Tereshchenko; Alexander V. Smirnov; Nikolai S. Vorobiev

doi:10.1117/12.370267

16 November 1999 Description of bimodal temporal distribution of photons in laser pulse passed through a turbid medium

Vitaly M. Podgaetsky, Sergei A. Tereshchenko, Alexander V. Smirnov, Nikolai S. Vorobiev

Proceedings Volume 3835, Three-Dimensional Imaging, Optical Metrology, and Inspection V; (1999) https://doi.org/10.1117/12.370267
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

The criteria were determined for simultaneous observation of scattered and unscattered (ballistic) peaks in temporal distribution of a narrow pulsed laser beam passed through a strongly scattering medium. Conditions were found for such an observation on the basis of non-stationary two-flux model for radiation transport. Calculation results permitted to define a compromise between parameters of the initial laser pulse and properties of a scattering medium. This has provided the separate observation of various types of photons. The theoretical calculations were confirmed by experiments on recording pulse profiles of passed radiation of fs-laser in a water-milk solution.

Citation Download Citation

Vitaly M. Podgaetsky, Sergei A. Tereshchenko, Alexander V. Smirnov, and Nikolai S. Vorobiev "Description of bimodal temporal distribution of photons in laser pulse passed through a turbid medium", Proc. SPIE 3835, Three-Dimensional Imaging, Optical Metrology, and Inspection V, (16 November 1999); https://doi.org/10.1117/12.370267

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