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Time-gated transillumination of objects in highly scattering media using a subpicosecond optical amplifier

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4 Author(s)
Marengo, S. ; Dept. of Nucl. Med. & Radiobiol., Sherbrooke Univ., Que., Canada ; Pepin, C. ; Goulet, T. ; Honde, D.

We have developed an optical system that simultaneously selects and amplifies photons in a time window of less than 10 ps. This new subpicosecond optical amplifier allowed us to realize one-dimensional images of a striped pattern with a spatial resolution of 200-μm through a 30-mm liquid scattering medium. Monte Carlo simulations were performed to study the relative importance of parameters characterizing the medium and the time-gated amplifying system in relation to the image sharpness. The potential application of this system in medical imaging is discussed

Published in:

Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:5 ,  Issue: 4 )

Date of Publication:

Jul/Aug 1999

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