Journal
LIGHT-SCIENCE & APPLICATIONS
Volume 11, Issue 1, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/s41377-022-00858-w
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The time-gated reflection matrix has been successfully utilized for optical imaging deep within scattering media and extended for enhanced light focusing in such media, potentially inspiring a wide range of optical applications.
Time-gated reflection matrix (RM) has been successfully used for optical imaging deep inside scattering media. Recently, this method was extended to enhance the spatiotemporal focusing of light ultra-deep inside scattering media. This is achieved by calibrating the decomposition of the RM with the Tikhonov regularization parameter to convert multiply scattered photons that share the same time of flight with the singly scattered photons into singly scattered photons. Such a capability suggests a reshaping to the interaction mechanism between light and scattering media, which may benefit or inspire wide optical applications that desire enhanced spatiotemporal focusing of light at depths inside scattering media.
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