J. Reintjes, M. Bashkansky, M.D. Duncan, R. Mahon, L.L. Tankersley, J.A. Moon, C.L. Adler, and J.M.S. Prewitt
The ability to image objects that are part of, embedded in, or viewed through densely scattering media has applications in many areas such as medical imaging, imaging through the atmosphere, materials inspection, and environmental assays. Images of such objects are generally blurred or obscured by multiple scattering of light as it traverses the scattering medium. Time-gated imaging allows viewing of such objects by preferentially detecting the light that is transmitted through the material in the least time, and therefore carries the image with the least degradation. Some of the techniques that have been used for such time-gated imaging are holography with nanosecond or femtosecond pulses, Kerr-gate shuttering, spatial correlation interferometry, optical coherence tomography, imaging with streak cameras, and electronic gating.
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