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Microlens array based hyperspectral camera

A microlens array and hyperspectral technology, applied in the field of hyperspectral cameras, can solve the problem of taking a long time, and achieve the effect of achieving spatial resolution, high spectral resolution, and high spatial resolution

Inactive Publication Date: 2019-09-24
陈少平
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Problems solved by technology

However, although the current hyperspectral camera can complete the function of providing spectral information and image information, it still has obvious defects in use, such as limited by the incident slit, their field of view is usually a very narrow area, To complete the detection of the target, it is necessary to perform multiple measurements on the partition scan
Therefore, if you want to complete the detection of a large area, it will take a long time

Method used

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  • Microlens array based hyperspectral camera
  • Microlens array based hyperspectral camera
  • Microlens array based hyperspectral camera

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Embodiment Construction

[0028] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0029] The first embodiment of the present invention provides a hyperspectral camera based on a microlens array, such as figure 2 As shown, the hyperspectral camera of this embodiment includes: a front-end optical system 10 , a field of view division system 20 and a dispersion system 30 .

[0030] Specifically, the front-end optical system may be any one of a telephoto system, a micro-imaging system or other types of imaging syste...

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Abstract

The invention discloses a microlens array based hyperspectral camera. The hyperspectral camera includes a front optical system, a field of view segmentation system, a dispersion system and a detector. The field of view segmentation system includes a microlens array and a pinhole array arranged in order. A front focal plane of the microlens array coincides with an image plane of the front optical system. The pinhole array is located at a sub-aperture plane of the microlens array. The hyperspectral camera of the invention expands an one-dimensional linear filed of view to a two-dimensional field of view to monitor a target in the two-dimensional field of view in real time, which greatly improves the detection speed. Meanwhile, The field of view is segmented by using the microlens array to enable the conventional detector to realize large field of view and high spectral resolution and realize high spatial resolution.

Description

technical field [0001] The invention relates to the technical field of spectral imaging, in particular to a hyperspectral camera based on a microlens array. Background technique [0002] Hyperspectral camera, also known as imaging spectrometer, is an emerging optical instrument that can simultaneously obtain spectral information and image information of detection targets. The imaging spectrometer was first born in the field of astronomy, and astronomers used it to explore the universe. With the emergence of the unique advantages of imaging spectrometers, many scientific fields are rushing to it, such as space science, environmental science, medical research, etc. In recent years, with the development of technology and the improvement of application requirements, imaging spectrometers have also been widely used in commercial fields, such as agricultural remote sensing, forestry remote sensing, national defense security, online detection of industrial production, life science...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/28G01J3/02
CPCG01J3/0205G01J3/0208G01J3/2823
Inventor 陈少平吴鹏竞曹欣宇张博
Owner 陈少平
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