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Spectral measurement method and device

A spectrum measurement and spectrum technology, applied in the field of optical measurement, can solve the problems of resolution impact, unfavorable spectral resolution, high manufacturing cost, etc., and achieve the effects of improving measurement accuracy and resolution, reducing cost, and convenient operation

Active Publication Date: 2017-03-15
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology

[0004] However, because the above-mentioned method adopts a comparatively complicated optical system (such as a grating, a prism, etc.), the manufacturing cost is relatively high, and the measuring device is large in size, which is inconvenient to move and carry; meanwhile, the resolution of the spectrum is directly affected by the precision of the spectroscopic device, so Conducive to the improvement of spectral resolution

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Embodiment Construction

[0022] 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, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.

[0023] figure 2 is a flowchart of a spectral measurement method provided by an embodiment of the present invention, such as figure 2 As shown, the technical solution provided in this embodiment specifically includes:

[0024] S210: Detect the observed spectral signal formed after the spectral signal to be measured passes through the array filter, and obtain detection data.

[0025] In this embodiment, the spectral signal to be measured carries the spectral information of the sample to be measured. Optionally, the spectral ...

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Abstract

An embodiment of the invention discloses a spectral measurement method and device. The method includes: detecting an observed spectral signal formed by a to-be-measured spectral signal passing an array type filter to acquire detection data; wherein the to-be-measured spectral signal carries spectral information of a sample to be tested, and the array type filter is coated with various substances in array distribution and different in spectral characteristics; performing signal reconstruction based on a sparse reconstruction algorithm and the detection data to acquire a reconstruction result. By the method and device, measurement accuracy and resolution of spectral signals are improved, operation is facilitated, the spectral measurement device can be miniaturized, and cost is lowered.

Description

technical field [0001] The invention relates to the technical field of optical measurement, in particular to a spectral measurement method and device. Background technique [0002] The composition and structure of the substance determine the properties of the substance; conversely, the relevant composition and structure of the substance can be determined through certain properties of the substance. Spectrum, as an important optical property of matter, carries a wealth of information about the composition and structure of matter, so spectral measurement plays a very important role in the qualitative and quantitative detection of matter. [0003] In the prior art, the measurement of the spectrum is generally performed by a spectrometer based on a spectroscopic device such as a grating. Such as figure 1 As shown, the spectrometer includes a light source 110, a spectroscopic system 120, and a detection system 130, wherein the spectroscopic system includes a grating, a prism, e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25
CPCG01N21/25
Inventor 张林张尚周强董宇涵
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV