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Raman spectrum detection device

A technology of Raman spectrum detection and spectrum analysis, applied in the field of spectrum analysis, can solve the problems of weak Raman scattering effect, weak Raman signal, and no optical system, etc., and achieve a wide range of applications

Active Publication Date: 2020-11-10
NANKAI UNIV
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Problems solved by technology

[0003]However, the Raman scattering effect is a very weak process, so the Raman signal is very weak, and it is almost necessary to use some kind of Enhancement effect
In the existing technology, the most common surface-enhanced Raman spectroscopy effect, the substrate of surface-enhanced Raman spectroscopy is the key technology, roughly including nanoparticle substrates, nanowire substrates, etc. There are significant differences between them, and there is no targeted optical system for these differences in the prior art

Method used

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  • Raman spectrum detection device
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Embodiment 1

[0045] In this example, if figure 1 As shown, the Raman spectrum detection device includes a laser light source 10, a contrast selection unit 20, a first substrate 30, a first objective lens 40, a second substrate 50, a second objective lens 60, a monochromator 70, a spectral detection unit CCD 80 and an upper Machine 90.

[0046]Wherein when the comparison selection unit 20 selects the first substrate 30 to carry the sample, the light emitted by the laser light source 10 passes through the first substrate 30, then passes through the first objective lens 40 and the monochromator 70 in sequence, and finally the light reaches the spectrum detection unit CCD80, and The spectral information is transmitted to the host computer 90 for analysis and storage; when the comparison selection unit 20 selects the second substrate 50 to carry the sample, the light emitted by the laser light source 10 passes through the second substrate 50, and then passes through the second objective lens 60...

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Abstract

The invention relates to a Raman spectrum detection device, and belongs to the technical field of spectral analysis. In the prior art, corresponding objective lenses are not specially designed for different substrates, and the detection device provided by the present invention comprises a laser light source, a comparison selection unit, a first substrate, a first objective lens, a second substrate, a second objective lens and a spectral analysis unit. The Raman spectrum detection device is wide in application, can select according to the characteristics of the detection objects, and can compare for scientific research.

Description

technical field [0001] The invention relates to the technical field of spectrum analysis, in particular to a Raman spectrum detection device. Background technique [0002] Raman spectroscopy is a type of scattering spectroscopy discovered by Indian scientist C.V. Raman. Based on the Raman scattering effect, it is of great value to analyze the scattering spectrum different from the frequency of the incident light to obtain information on molecular vibration and rotation, and to apply it to the study of molecular structure. [0003] However, the Raman scattering effect is a very weak process, so the Raman signal is very weak, and some kind of enhancement effect is almost always used to study the Raman spectroscopy of surface adsorbed species. In the existing technology, the most common surface-enhanced Raman spectroscopy effect, the substrate of surface-enhanced Raman spectroscopy is the key technology, roughly including nanoparticle substrates, nanowire substrates, etc. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65G01J3/44G01J3/02
CPCG01N21/65G01J3/44G01J3/0208
Inventor 王斌徐晓轩梁菁郑忠翔
Owner NANKAI UNIV
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