Nonlinear optical signals in active highly scattering media

Feng Liu; Jinpin Ying; Robert R. Alfano

doi:10.1117/12.356845

15 July 1999 Nonlinear optical signals in active highly scattering media

Feng Liu, Jinpin Ying, Robert R. Alfano

Proceedings Volume 3597, Optical Tomography and Spectroscopy of Tissue III; (1999) https://doi.org/10.1117/12.356845
Event: BiOS '99 International Biomedical Optics Symposium, 1999, San Jose, CA, United States

Abstract

The intensity of two photon excited fluorescence (TPF) in highly scattering media generated by ultrashort laser pulses as a function of depth of focal point inside the media were measured for investigating the spatial location of TPF in scattering media. Scattering medium attenuates the intensity of incident beam. TPF signal decayed exponentially as the focal point was scanned into the medium. TPF was not confined in the focal region and had a wider distribution as the scattering strength of the medium increased resulting degradation of optical sectioning ability.

Citation Download Citation

Feng Liu, Jinpin Ying, and Robert R. Alfano "Nonlinear optical signals in active highly scattering media", Proc. SPIE 3597, Optical Tomography and Spectroscopy of Tissue III, (15 July 1999); https://doi.org/10.1117/12.356845

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