Two-in-one probe capable of simultaneously detecting Raman spectrum and near infrared spectrum

A technology of near-infrared spectroscopy and Raman spectroscopy, which is used in Raman scattering, measurement devices, and material analysis by optical means to achieve accurate test results and rich information.

Pending Publication Date: 2020-08-21
重庆冠雁科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no product on the market that combines these two technologies and realizes simultaneous detection of near-infrared and Raman spectroscopy with the same probe

Method used

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  • Two-in-one probe capable of simultaneously detecting Raman spectrum and near infrared spectrum

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Embodiment Construction

[0017] The technical solutions in the embodiments of the present invention will be described clearly and in detail below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention.

[0018] The technical solution of the present invention to solve the above technical problems is:

[0019] Such as figure 1 As shown, a two-in-one probe capable of simultaneously detecting Raman spectra and near-infrared spectra includes: near-infrared light source 1, near-infrared spectroscopy module 2, fiber splitter 3, first collimator 4, first Dichroic mirror 5, second collimator lens 6, excitation light source 8, third collimator lens 9, bandpass filter 10, second dichroic mirror 11, first filter 12, second filter The sheet 13, the fourth collimator lens 14 and the Raman spectrum module 15; wherein the first collimator lens 4, the second collimator lens 6, and the third collimator lens 9 are a...

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Abstract

The invention discloses a two-in-one probe capable of simultaneously detecting a Raman spectrum and a near infrared spectrum, and belongs to the technical field of detection. The working principle isas follows: a near-infrared light source is collimated by a first collimating mirror after being emitted by an optical fiber beam splitter, passes through a first dichroscope, and is converged at a sample by a second collimating mirror; a near-infrared absorption spectrum generated by the sample is collimated by the second collimating mirror, then sequentially passes through the first dichroscopeand the first collimating mirror, and is transmitted to a near-infrared spectrum module by the optical fiber beam splitter; an excitation light source is collimated by a third collimating mirror and then penetrates through a band-pass optical filter, the light is reflected by a second dichroscope and the first dichroscope, then is converged at the sample by the second collimating mirror, a Raman spectrum excited by the excitation light source is collimated by the second collimating mirror and then reflected by the first dichroscope, sequentially penetrates through the second dichroscope, a first optical filter and a second optical filter, and is converged by a fourth collimating mirror and then transmitted to a Raman spectrum module through the optical fiber.

Description

Technical field [0001] The invention belongs to the field of radiation detection, and particularly relates to a two-in-one probe technology capable of simultaneously detecting Raman spectra and near-infrared spectra. Background technique [0002] The Raman spectrum reflects the molecular vibration information of the measured substance, and belongs to the fingerprint spectrum of the substance. In the detection of substances, Raman spectroscopy has the advantages of short detection time, high accuracy, transparent or translucent packaging test, solid, liquid, and gaseous substances, and samples without pretreatment. The current Raman spectroscopy technology is widely used, including medicines, food safety, chemicals, security checks, cultural relic identification, gem identification and other aspects. [0003] Near infrared spectrometer (Near Infrared Spectrum Instrument, NIRS) is an electromagnetic radiation wave between visible light (Vis) and mid-infrared (MIR). The American Soci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65G01N21/359G01N21/01
CPCG01N21/65G01N21/359G01N21/01
Inventor 李锋殷浩何峰
Owner 重庆冠雁科技有限公司
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