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A simultaneous full polarization imaging device and method

An imaging device, full polarization technology, applied in the direction of measurement device, measurement of light polarization, optical radiation measurement, etc., to achieve the effect of compact structure, high utilization rate of light energy, and high time resolution

Active Publication Date: 2021-03-23
NAVAL UNIV OF ENG PLA
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), but currently practical devices of this type can only obtain linearly polarized components

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  • A simultaneous full polarization imaging device and method
  • A simultaneous full polarization imaging device and method
  • A simultaneous full polarization imaging device and method

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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0029] figure 1 It is a schematic structural diagram of a simultaneous full-polarization imaging device in an embodiment of the present invention, such as figure 1As shown, the present invention provides a simultaneous full polarization imaging device, including a front optical system 100, a depolarization beam splitter 200, a linear polarization channel 300, a circular polarization channel 400...

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Abstract

The invention discloses a simultaneous full polarization imaging device and method, belonging to the technical field of optical imaging equipment, which includes a front optical system, a depolarization beam splitter, a linear polarization channel, a circular polarization channel and a data processing system, wherein the front optical The system and the depolarization beam splitter are placed in sequence along the direction of the incident light. The depolarization beam splitter is used to divide the outgoing light of the front optical system into first and second beams perpendicular to each other. The first beam is located on the optical axis of the front optical system direction, and the linear polarization channel as a whole is located in the direction of the optical axis of the front optical system, the images output by the imaging detector in the linear polarization channel and the imaging detector of the circular polarization channel enter the data processing system, after being processed by the data processing system Four Stokes component images can be obtained to realize full polarization imaging. The device of the invention has the advantages of simple structure, small volume, low cost and high imaging quality.

Description

technical field [0001] The invention belongs to the technical field of optical imaging instruments, and more particularly relates to a simultaneous full polarization imaging device and method. Background technique [0002] Polarization is another important attribute of light waves besides wavelength, amplitude, and phase. Polarization imaging technology can provide more dimensional information for target detection and recognition, so it has a very broad application prospect. The polarization state of light waves is usually characterized by the Stokes vector. Atmospheric imaging often only uses the first three components in the Stokes vector, but for some applications (such as underwater imaging), the component (circular polarization component) cannot be ignored (Qiangqiang Tao, Yongxuan Sun, Fei Shen, et al. Active imaging with the aids of polarization retrieve in turbid media system [J]. Optics Communications, 2016, 359: 405-4120). Polarization imaging techniques that ca...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/28G01J4/00
CPCG02B27/28G02B27/283G02B27/286G01J4/00G01J4/04
Inventor 韩宏伟张晓晖管风
Owner NAVAL UNIV OF ENG PLA
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