Integrated laser-induced enhanced plasma spectrum acquisition system

A technology of laser induction and acquisition system, applied in the field of plasma spectrum acquisition system, can solve the problems of technology staying in the laboratory stage, unable to meet the industrial field test, etc. The effect of detection limit

Inactive Publication Date: 2012-12-26
刘瑞斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing technology stays in the laboratory stage and ca

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  • Integrated laser-induced enhanced plasma spectrum acquisition system
  • Integrated laser-induced enhanced plasma spectrum acquisition system
  • Integrated laser-induced enhanced plasma spectrum acquisition system

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Embodiment

[0024] Integrated laser-induced enhanced plasma spectrum acquisition system, including pulsed laser, beam lifter, spectrometer, confinement ring 1, high-voltage discharge electrode 2, ICCD camera 3, focusing lens 4, sample chamber 5, mirror 6, optical fiber of the spectrometer Probe adjustable fiber optic receiving system 7, sample to be tested 8, three-dimensional translation stage 9, imaging CCD 10, gas flow meter 11, gas pressure gauge 12;

[0025] Connection relationship: ICCD camera 3 is placed on the upper cover of sample chamber 5; imaging CCD10, mirror 6, and focusing lens 4 are placed in sequence, and placed in line with the sample point; imaging CCD10, incident mirror 6, and focusing lens 4 are placed on the sample The upper cover of the chamber 5; the lower part of the sample chamber 5 has an air inlet, and the upper part has an air outlet to ensure that the gas is filled with the entire sample chamber 5; the gas flow meter 11 is installed at the air inlet for detect...

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Abstract

The invention relates to an integrated laser-induced enhanced plasma spectrum acquisition system and belongs to the field of laser plasma spectrum detection. The integrated laser-induced enhanced plasma spectrum acquisition system comprises a pulse laser device, a light beam lifter, a spectrometer, a domain limiting loop, a high voltage discharge electrode, an ICCD (Intensified Charge Coupled Device) camera, a focusing lens, a sample chamber, a reflector, an adjustable optical fiber optical receiving system, a sample to be detected, a three-dimensional electric control translation platform, an imaging CCD (Charge Coupled Device), a gas flow meter and a gas pressure meter. According to the integrated laser-induced enhanced plasma spectrum acquisition system, different LIBS (Laser-induced Breakdown Spectroscopy) signals are collected by utilizing control and synchronous control of internal environments of smaller independent sealed spaces so that integration is realized; a high voltage discharge enhanced and loop limited domain synchronous enhanced LIBS system with the functions of spectrum acquisition, dynamic image analysis and the like is integrated; and more accurate measurement are realized by utilizing environment stress around the sample and control of protection gas; and the system is quick and convenient, and is favorable for industrial production and application.

Description

technical field [0001] The invention relates to an integrated laser-induced enhanced plasma spectrum collection system, which belongs to the field of laser plasma spectrum detection. Background technique [0002] At present, Laser-Induced Breakdown Spectroscopy (LIBS) detection technology is developing rapidly as an atomic emission spectroscopy technology. By using high-resolution spectrometers, LIBS technology can realize multiple detection of solids, liquids, powders and gases. Elements are detected online, and can be performed in real time under harsh environments. LIBS technology can analyze the concentration or content of elements in the sample by analyzing the plasma spectral intensity data of the substance, so as to realize the qualitative and quantitative analysis of the substance. It has the advantages of rapidity, no need for sample preparation, minimal loss and simultaneous detection of multiple elements. LIBS technology can be applied in many fields such as chem...

Claims

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Application Information

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IPC IPC(8): G01N21/63
Inventor 刘瑞斌
Owner 刘瑞斌
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