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Scattering effect based imaging spectrometer and high-spatial-resolution spectrum imaging method

An imaging spectrometer and scattering effect technology, applied in the field of remote sensing and imaging with high spatial resolution and high spectral resolution, can solve the problems of indistinguishable, small malignant tumor cells, etc., and achieve low-cost effects

Active Publication Date: 2019-05-03
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, the actual situation is often that the malignant tumor cell tissue is small, and it cannot be distinguished from normal red blood cells, healthy cell tissue, etc. by ordinary imaging spectrometers

Method used

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  • Scattering effect based imaging spectrometer and high-spatial-resolution spectrum imaging method
  • Scattering effect based imaging spectrometer and high-spatial-resolution spectrum imaging method
  • Scattering effect based imaging spectrometer and high-spatial-resolution spectrum imaging method

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preparation example Construction

[0062] First carry out the preparation of silver colloid: the volume is 50m1 and the concentration is 1.0×10 -2 mol L -1 AgNO 3 Inject in the flask that 450ml water is housed, stir and be heated to boiling, inject 10ml percentage concentration then and be 1% sodium citrate solution, keep stirring and heat boiling 40 minutes, final colloid is yellow-green. Since the prepared silver colloid is negatively charged, it can be assembled by utilizing the electrostatic interaction between the positively charged electrolyte PDDA and the negatively charged silver particles.

[0063] The specific steps are as follows: first clean the glass substrate, ultrasonically clean the glass substrate in ethanol-acetone solution with a volume ratio of 1:1, ethanol and water for 20 minutes, then soak it in boiling Piranha solution for 30 minutes, take it out for use Rinse 3 times with deionized water, dry with argon, and the Piranha solution is made of 98% H 2 SO 4 with 30%H 2 o 2 Prepared at ...

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Abstract

The invention discloses a scattering effect based imaging spectrometer and a high-spatial-resolution spectrum imaging method. The imaging spectrometer comprises a prepositioned device, a scattering device, a collimation device, an array type detection chip, a control device and a data calculation and analysis system. The imaging spectrometer controls the scattering device via the control device, the detected light intensity of the same pixel element under different control conditions is different, and is substituted into a matrix equation to calculate the spectrum, and the control device outputs more control parameters to realize high spectral resolution; and the array type detection chip includes relatively more pixel elements, a target to be detected is divided into areas, each pixel element can serve as an independent detector to carry out spectrum measurement on different subunit areas in the imaging area to be detected, and thus, the spatial resolution of spectrum imaging is higher. Compared with a traditional imaging spectrometer, the imaging spectrum of the invention is smaller in size, lower in cost and higher in performance.

Description

technical field [0001] The invention relates to an imaging spectrometer and a spectral imaging method for obtaining rich information of spatial dimension and spectral dimension, which can be used in the technical field of remote sensing and imaging with high spatial resolution and high spectral resolution. Background technique [0002] In modern optical testing and analysis methods, imaging and spectroscopy technologies play an important role, and imaging spectrometers can realize target object image and spectral distribution detection at the same time, expanding imaging and spectral analysis to new application fields. The imaging spectrometer can collect different numbers of grayscale images at the same time according to the different collection wavelength intervals, and the grayscale images of each spectral channel contain the spectral information of the target object in this band. Therefore, the image information and spectral information of the whole detection band can be...

Claims

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Application Information

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IPC IPC(8): G01J3/28G01J3/44G01J3/02
Inventor 杨涛黄维彭靖骁何浩培
Owner NANJING UNIV OF POSTS & TELECOMM
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