Enhancing spatiotemporal focusing of light deep inside scattering media with time-gated reflection matrix

Huanhao Li, Zhipeng Yu, Tianting Zhong, Puxiang Lai (Corresponding Author)

Research output: Journal article publicationJournal articleAcademic researchpeer-review

4 Citations (Scopus)

Abstract

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.
Original languageEnglish
Article number167
JournalLight: Science and Applications
Volume11
Issue number1
DOIs
Publication statusPublished - 1 Jun 2022

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