Spectral Calibration Method of Multidimensional Information Integrated Acquisition Camera

Abstract

The invention relates to a spectral calibration device and method for a multi-dimensional information integration obtaining camera. The device comprises the multi-dimensional information integration obtaining camera, a spectrum analyzer, an integrating sphere and a calibration light source assembly. The calibration light source assembly is fixedly installed at a light-in opening of the integrating sphere, a probe of the multi-dimensional information integration obtaining camera and a probe of the spectrum analyzer are both fixed at a light-out opening of the integrating sphere, and the probe of the spectrum analyzer is located above or below the probe of the multi-dimensional information integration obtaining camera; the diameter of the light-out opening of the integrating sphere is larger than the entrance pupil diameter of the multi-dimensional information integration obtaining camera; the calibration light source assembly comprises a monochromator, lasers with different wavelengths and a fixed target wheel; the fixed target wheel is provided with a center hole, and light beams sent out by a monochromator light source enter the integrating sphere through the center hole; multiple hole sets are distributed on the fixed target wheel and used for fixing optical fiber ports of laser light sources, and models of the laser light sources installed on all the hole sets are the same. The spectral calibration device and method for the multi-dimensional information integration obtaining camera are wide in application range and high in calibration accuracy.

Description

technical field

[0001] The invention belongs to the field of optics, and relates to a spectrum calibration method, in particular to a spectrum calibration method of a multi-dimensional information integrated acquisition camera. Background technique

[0002] The multi-dimensional information integrated acquisition camera can simultaneously acquire a variety of original information of the object, providing rich information for target detection and identification. For example, the imaging spectrometer can simultaneously obtain the image and spectral information of the object, and the polarization imaging spectrometer can simultaneously obtain the polarization of the object. , image, spectral information, multi-dimensional information integrated acquisition technology has important application value in the fields of biomedicine, aerospace remote sensing, military reconnaissance, geological survey, atmospheric environment monitoring and so on.

[0003] One of the key technologies...

Examples

Embodiment Construction

[0036] figure 1 It is a schematic structural diagram of the spectrum calibration device of the multi-dimensional information integrated acquisition camera provided by the present invention. Such as figure 1 As shown, the spectrum calibration device includes an integrating sphere 1 , a multi-dimensional information integrated acquisition camera 2 , a spectrum analyzer 3 , a calibration light source assembly 5 and a control computer for controlling the calibration light source assembly 5 .

[0037] The calibration light source assembly 5 is fixedly installed at the light entrance 51 of the integrating sphere 1; the probe 4 of the multi-dimensional information integration acquisition camera 2 and the spectrum analyzer 3 is fixed at the light exit 12 of the integrating sphere 1, and at the same time, the spectrum analyzer The probe 4 of 3 is located above the multi-dimensional information integration acquisition camera 2, and the diameter of the light outlet 12 of the integrating...

technical field

[0001] The invention belongs to the field of optics, and relates to a spectrum calibration method, in particular to a spectrum calibration method of a multi-dimensional information integrated acquisition camera. Background technique

[0002] The multi-dimensional information integrated acquisition camera can simultaneously acquire a variety of original information of the object, providing rich information for target detection and identification. For example, the imaging spectrometer can simultaneously obtain the image and spectral information of the object, and the polarization imaging spectrometer can simultaneously obtain the polarization of the object. , image, spectral information, multi-dimensional information integrated acquisition technology has important application value in the fields of biomedicine, aerospace remote sensing, military reconnaissance, geological survey, atmospheric environment monitoring and so on.

[0003] One of the key technologies...

Examples

Embodiment Construction

[0036] figure 1 It is a schematic structural diagram of the spectrum calibration device of the multi-dimensional information integrated acquisition camera provided by the present invention. Such as figure 1 As shown, the spectrum calibration device includes an integrating sphere 1 , a multi-dimensional information integrated acquisition camera 2 , a spectrum analyzer 3 , a calibration light source assembly 5 and a control computer for controlling the calibration light source assembly 5 .

[0037] The calibration light source assembly 5 is fixedly installed at the light entrance 51 of the integrating sphere 1; the probe 4 of the multi-dimensional information integration acquisition camera 2 and the spectrum analyzer 3 is fixed at the light exit 12 of the integrating sphere 1, and at the same time, the spectrum analyzer The probe 4 of 3 is located above the multi-dimensional information integration acquisition camera 2, and the diameter of the light outlet 12 of the integrating...

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