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Optical Parametric Amplification of Gated Confocal Reflectance Microscopy Signals in Scattering Media

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Abstract

We apply optical parametric amplification to amplify weak ballistic photons and suppress the multiple-scattering background. Single-photon pulses of the reflectance imaging signal are amplified with over 50 dB gain. Improvements in imaging depth are demonstrated.

© 2018 The Author(s)

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