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A Raman Spectroscopy System

A Raman spectroscopy and testing system technology, applied in the field of Raman spectroscopy testing systems, can solve the problems of difficult calibration of laser light sources, inability to know the light source in real time, and test errors, etc.

Active Publication Date: 2021-06-15
XUZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the inventor found that the existing Raman test system is difficult to quickly verify the laser light source. When the laser of the Raman test system suddenly has a problem during continuous testing, it is impossible to know the problem of the light source in real time, which may lead to test errors.

Method used

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  • A Raman Spectroscopy System
  • A Raman Spectroscopy System
  • A Raman Spectroscopy System

Examples

Experimental program
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Embodiment 1

[0035] Embodiment 1, as figure 1 , 2 As shown, a Raman spectrum testing system includes a laser (21), an optical shaper (90), a lens group (91, 92) for changing the spot size, the first optical path switching device (1-1 ), No. 2 optical path switching device (1-2), No. 1 reflector (93), No. 2 reflector (94), No. 3 reflector (96), No. 4 reflector (100), Dichroic mirror (95), optical filter (102) (filters out light whose wavelength is the working wavelength), condensing convex lens (101), condensing objective lens (97), CCD is the light collection module, and CCD is used to collect the passing light The monochromator collects the optical signal and sends it to the computer.

[0036] No. 1 optical path switching device (1-1) and No. 2 optical path switching device (1-2) are as follows image 3 , 4 The same optical path switching devices shown have the following features: including a liquid delivery pump (10), a container (50), an infusion pipeline (31), a switching device (5...

Embodiment 3

[0050] The wavelength value of the working wavelength of embodiment 3 and embodiment 2 is 785nm.

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Abstract

A Raman spectrum testing system, characterized in that it includes a laser (21), an optical shaper (90), a lens group (91, 92) for changing the spot size, a first optical path switching device (1‑1 ), No. 2 optical path switching device (1‑2), No. 1 reflector (93), No. 2 reflector (94), No. 3 reflector (96), No. 4 reflector (100), Dichroic mirror (95), optical filter (102) (filters out light whose wavelength is the working wavelength), condensing convex lens (101), condensing objective lens (97), CCD is the light collection module, and CCD is used to collect the passing light The monochromator collects the optical signal and sends it to the computer. The invention does not need to be re-adjusted after the optical path is switched, and the abnormal state of the light source can be found quickly and in real time.

Description

technical field [0001] The invention relates to the field of optics, in particular to a Raman spectrum testing system. Background technique [0002] The Raman system can obtain the molecular structure information of the material by obtaining the Raman scattering spectrum of the material composition. [0003] The current Raman spectrum measurement is specifically by placing the sample to be tested on the Raman enhanced chip, such as coating the liquid to be tested, and after it dries naturally, it is placed on the front end of a micro-Raman or ordinary Raman spectrometer for measurement, thereby Get the material composition and content in the tested sample. [0004] However, the inventor found that the existing Raman test system is difficult to quickly calibrate the laser light source. When the laser of the Raman test system suddenly has a problem during continuous testing, it is impossible to know the problem of the light source in real time, which may lead to test errors. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/65G01N21/01
Inventor 田康振聂新明王勋田亚平赵新生李康
Owner XUZHOU NORMAL UNIVERSITY