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Raman spectrum detection optical path device and detection method thereof

A Raman spectrum detection and Raman spectrum technology, applied in the field of Raman spectrum detection optical path devices, can solve problems such as poor focusing ability and difficult detection of Raman spectrum, and achieve the improvement of detection ability, analysis accuracy, and high-power focusing. Effect

Inactive Publication Date: 2016-08-17
ZHEJIANG PHARMA COLLEGE
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  • Abstract
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Problems solved by technology

[0006] In order to solve the technical problem that weak Raman spectra are difficult to detect due to the poor focusing ability of the existing Raman spectroscopy detectors in the prior art, the present invention provides a Raman spectroscopy with strong focusing ability that makes weak Raman spectra easy to detect Detection optical path device

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  • Raman spectrum detection optical path device and detection method thereof
  • Raman spectrum detection optical path device and detection method thereof

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see figure 1 , is a schematic structural diagram of a preferred embodiment of the Raman spectrum detection optical path device provided by the present invention. The optical path device 1 for Raman spectrum detection includes a housing 11 , a light source assembly 13 , an optical path focusing assembly 15 and a photodetector 17 .

[0026] The housing 11 includes a bottom plate 111 , a vertical plate 113 and a sample stage 115 . The botto...

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Abstract

The invention provides a Raman spectrum detection optical path device. The Raman spectrum detection optical path device includes a light source assembly, which is used to emit excitation light on the object to be detected and generate a Raman spectrum; a lens, which is used to collect the Raman spectrum generated when the light source assembly is irradiated on the object to be detected, and convert the resulting The Raman spectrum is focused into a light spot; an optical fiber, one end of the optical fiber is distributed in a cylindrical shape, and the other end is distributed in a flat shape. The cylindrical end of the optical fiber is used to collect the light spot focused by the lens, and the flat end of the optical fiber is It is used to arrange the light spots into narrow strips of light and output them; grating and photodetector. The invention also provides a detection method of the Raman spectrum detection optical path device. The Raman spectrum detection optical path device and detection method of the present invention design one end of the optical fiber into a cylindrical shape and the other end into a flat shape, thereby arranging the focused light spots into narrow strips of light to achieve high-magnification focusing and improve detection of weak Raman Spectral detection capabilities.

Description

technical field [0001] The invention relates to Raman spectrum detection equipment, in particular to a Raman spectrum detection optical path device. Background technique [0002] When the light is irradiated on the material, elastic scattering and inelastic scattering occur. The scattered light of elastic scattering has the same wavelength as the excitation light, and the scattered light of inelastic scattering has components with longer and shorter wavelengths than the excitation light, collectively called Raman scattering. , the corresponding light is called Raman spectrum. Raman spectroscopy belongs to the vibrational spectrum of molecules. Therefore, the substance and composition of the tested substance can be known by detecting the Raman spectrum excited by the substance. [0003] At present, Raman spectroscopy is often used in the field of medicine, especially the analysis of pharmaceutical ingredients. Therefore, Raman spectroscopy detectors are widely used by resear...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65
CPCG01N21/65
Inventor 何军邀李玉兰
Owner ZHEJIANG PHARMA COLLEGE
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