Scattering medium light field focusing method and device based on complex amplitude light field regulation and control

Scattering medium light field focusing method and device based on complex amplitude light field regulation and control

The invention belongs to the technical field of scattering medium light field regulation and control, and relates to a scattering medium light field focusing method and device based on complex amplitude light field regulation and control. According to the invention, complex amplitude regulation and...

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Hauptverfasser: HE QIAOZHI, YANG JIAMIAO, LIU LINXIAN, SHEN YANG, GONG LEI, ZOU GAOYU
Format: Patent
Sprache:chi ; eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator HE QIAOZHI
YANG JIAMIAO
LIU LINXIAN
SHEN YANG
GONG LEI
ZOU GAOYU
description The invention belongs to the technical field of scattering medium light field regulation and control, and relates to a scattering medium light field focusing method and device based on complex amplitude light field regulation and control. According to the invention, complex amplitude regulation and control on the light field incident into the scattering medium are proposed for the first time, and the target complex amplitude light field is continuously optimized by simultaneously regulating and controlling the phase and the amplitude, so that speckle distribution formed after light is disturbed by the scattering medium is optimized, and a focused light beam needing to be formed is obtained. Meanwhile, the invention also proposes that the optimization speed of the incident light field wavefront of the scattering medium is obviously improved by utilizing a natural evolution strategy, and the influence of the dynamic change of the scattering medium on optical focusing can be effectively overcome. The complex amp
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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title Scattering medium light field focusing method and device based on complex amplitude light field regulation and control
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