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분자 분광학 및 동력학 연구단
분자 분광학 및 동력학 연구단
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Iterative optimization of time-gated reflectance for the efficient light energy delivery within scattering media

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Title
Iterative optimization of time-gated reflectance for the efficient light energy delivery within scattering media
Author(s)
SEUNGWON JEONG; DONG-YOUNG KIM; YE-RYOUNG LEE; WONJUN CHOI; WONSHIK CHOI
Publication Date
2019-04
Journal
OPTICS EXPRESS, v.27, no.8, pp.10936 - 10945
Publisher
OPTICAL SOCIETY OF AMERICA
Abstract
© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement In complex media, light waves are diffused both in space and time due to multiple light scattering, and its intensity is attenuated with the increase of propagation depth. In this paper, we propose an iterative wavefront shaping method for enhancing time-gated reflection intensity, which leads to efficient light energy delivery to a target object embedded in a highly scattering medium. We achieved an over 10 times enhancement of reflectance at the specific flight time and demonstrated the focusing of light energy to the target object. Since the proposed method does not require reflection matrix measurement, it will be highly suited to samples in mechanically dynamic conditions
URI
https://pr.ibs.re.kr/handle/8788114/6315
ISSN
1094-4087
Appears in Collections:
Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > Journal Papers (저널논문)
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