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A full-Stokes single-photon compressed polarization imaging device and method

A polarization imaging and imaging method technology, which is applied in the field of weak light imaging and polarization imaging, can solve the problem of low imaging sensitivity, achieve high imaging sensitivity, improve signal-to-noise ratio, and improve imaging sensitivity

Inactive Publication Date: 2021-05-11
NANCHANG UNIV
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Problems solved by technology

[0005] In order to solve the problem of low imaging sensitivity of the existing polarization imaging technology, the present invention provides a full-Stokes single-photon compression polarization imaging device and method

Method used

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  • A full-Stokes single-photon compressed polarization imaging device and method
  • A full-Stokes single-photon compressed polarization imaging device and method
  • A full-Stokes single-photon compressed polarization imaging device and method

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Embodiment Construction

[0072] The present invention is described in detail below in conjunction with accompanying drawing

[0073] Such as figure 1 As shown, the full-Stokes single-photon compression polarization imaging device provided by the present invention includes an imaging lens 1, a micro-polarizer array 2, a DMD3, a DMD controller, a focusing lens 4, a single-photon detector 5, an FPGA-based Control and synchronous counting module and upper computer.

[0074] The imaging lens 1 is used to image an imaging target.

[0075] The DMD 3 is arranged on the image plane of the imaging lens 1 for receiving the image of the object formed by the imaging lens 1 . DMD3 is a kind of optical switch, which is composed of multiple tiny mirrors (referred to as micromirrors), and the number of mirrors is determined by the display resolution of DMD.

[0076] The micro-polarizer array 2 is closely attached to the surface of the DMD 3 close to the imaging lens 1 . Such as figure 2 As shown, the micro-polar...

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Abstract

In order to solve the problem of low imaging sensitivity of the existing polarization imaging technology, the present invention provides a full Stokes single-photon compression polarization imaging device and method. In the present invention, the micro-polarizer array is bonded on the DMD mirror surface to realize the polarization imaging based on the single-pixel imaging technology, and at the same time, a single-photon detector is used to detect the light intensity, which has ultra-high imaging sensitivity.

Description

technical field [0001] The invention belongs to the fields of weak light imaging and polarization imaging, and relates to a full-Stokes single-photon compression polarization imaging device and method. Background technique [0002] Polarization imaging technology, that is, the technology of imaging by obtaining the polarization state of reflected light waves on the surface of objects. Polarization imaging detection can effectively detect and perceive targets in complex backgrounds, occluded and hidden targets, and meet the application requirements of security monitoring, remote sensing telemetry, photoelectric tracking and target capture. According to different technical schemes, various polarization imaging technologies such as time-sharing, amplitude-sharing, aperture, focal-plane and interference have been developed. Due to the low sensitivity of the existing polarization imaging technology, the imaging distance and imaging quality need to be improved under the condition...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J11/00G01J4/00
CPCG01J11/00G01J4/00G01J4/04
Inventor 鄢秋荣李丹王逸凡杨逸冰杨程
Owner NANCHANG UNIV
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