Laser-induced breakdown spectroscopy analysis system and laser-induced breakdown spectroscopy analysis method

A technology of laser-induced breakdown and spectral analysis, which is applied in the field of devices for qualitative and quantitative analysis of constituent material elements, can solve the problems of staying at the level of theoretical design and lack of quantitative analysis, and achieve simple structure, convenient operation, and real-time performance and accuracy effects

Inactive Publication Date: 2013-06-26
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
View PDF3 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But so far, this technology is still at the level of theoretical design, and the LIBS technology has not been practiced in China. There may be research and development devices abroad, but it can only achieve qualitative judgment and does not have the function of quantitative analysis.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Laser-induced breakdown spectroscopy analysis system and laser-induced breakdown spectroscopy analysis method
  • Laser-induced breakdown spectroscopy analysis system and laser-induced breakdown spectroscopy analysis method
  • Laser-induced breakdown spectroscopy analysis system and laser-induced breakdown spectroscopy analysis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] A laser-induced breakdown spectroscopy analysis system provided in this embodiment includes a pulse laser 1, a beam splitter 2, a pulse laser energy measurement module 3, a pulse trigger delay unit 4, a laser beam expansion collimation and focusing optical system 5, Double-beam sample positioning unit 6, sample chamber 7, spectrum collection unit (Cassegrain telescopic system) 8, spectrometer 9, data processing system 10, etc.

[0038] Specific requirements for pulsed lasers: the pulse requires a wavelength of 1064nm, a pulse energy of 100mJ, a pulse width of 7ns, an external power supply to control the pulse energy, and a refrigeration unit.

[0039] The beam splitter requires a 45° incidence, and a 10:90 beam splitter can be used. The 1064nm pulsed laser transmits 90% of the light energy and reflects 10% of the light energy in strict accordance with the 10:90 ratio. Reflected light energy 10mJ enters the energy detection module. The pulse laser energy measurement mod...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a laser-induced breakdown spectroscopy analysis system which comprises a control unit, a pulse laser, a beam splitter, a movable positioning platform, a spectrum collecting unit, a spectrograph and a data processing system, wherein the beam splitter, the movable positioning platform, the spectrum collecting unit, the spectrograph and the data processing system are sequentially arranged along the emitted direction of pulse lasers; the beam splitter splits the emitted light pulse of the pulsed laser into a main light path and a sampling light path; the main light path is provided with a laser beam expanding-collimating and focusing optical system and a sample positioning unit which forms a feedback control with the movable positioning platform; the sampling light path is provided with a pulse laser energy measurement module and a pulse trigger delay unit; the control unit outputs multiple control signals; the control signal output ends of the control unit are respectively correspondingly connected to the sample positioning unit; and the data output end of the spectrograph is connected to the data processing system.

Description

technical field [0001] The present invention relates to a device for qualitative and quantitative analysis of constituent material elements. Background technique [0002] With the rapid development of laser technology, people's demand for the understanding of trace elements in substances is constantly increasing. New techniques for atomic emission spectroscopy analysis of interactions. By spectroscopically and detecting the plasma spectral signal generated by focusing the low-energy narrow-pulse pulse laser on the surface of the sample, the information of the elements in the sample to be tested is obtained, and finally the qualitative and quantitative elements of the sample are calculated. This technology has the following advantages: it does not have high requirements on the sample surface, is not limited by material type, surface morphology, state, conductivity, etc., generally does not require pretreatment, has low sample loss, rapid response, and can realize simultaneou...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/63
Inventor 赵卫段忆翔张文松朱香平汤洁豆西博
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap