World's First Laser-induced Breakdown-Raman Spectrometer Debuts

The Analytical Instrument Research Center of the School of Life Sciences, Sichuan University, was successfully exhibited at the 9th Western China International Scientific Instruments Exhibition in March 2014 as the first portable laser-induced breakdown spectrometer (LIBS) independently developed by China. The participating siblings jointly worked together to integrate the LIBS technology for elemental measurement and Raman technology for molecular structure measurement and successfully developed the world's first air-cooled high-performance laser-induced breakdown-pulling. Mann's integrated spectrum analyzer.

Recently, Professor Duan Yixiang, Analytical Instrument Research Center of School of Life Science, Sichuan University, as the project leader, took the lead in the development of major national scientific equipment and equipment and made the latest progress - "Laser induced breakdown - Raman spectroscopy (LIBRAS)" for the first time Debuted in the "International Symposium on Laser Spectrum Analysis Frontier Technology".

Following the successful display of the first portable laser-induced breakdown spectrometer (LIBS) independently developed at home in the 9th Western China International Scientific Instrument Exhibition in March 2014, the project team has continued to work hard and has joined forces with the participating siblings. , Combining LIBS technology for elemental measurement and Raman technology for molecular structure measurement, successfully developed the world's first air-cooled high performance laser induced breakdown-Raman integrated spectrum analyzer And named it LIBRAS (Laser Induced Breakdown Raman Spectroscopy). The instrument can be used for the simultaneous analysis of the atomic spectrum and the molecular spectrum of the sample to be analyzed. The information on the molecular structure can be obtained at the same time as obtaining the elemental composition information of the same microlocation, providing powerful information for further understanding of the microscopic structure of the material structure. Tool of. The instrument, as an independent research and development achievement of the country's major scientific instrument and equipment development specialization, not only fills in two gaps in domestic technology and industry, but also fills the gap in the world of air-cooled high-energy laser systems. At present, the measurement instruments that can obtain atomic and molecular information on the market at the same time are very limited. The successful development of LIBRAS instruments will further lead the development direction of scientific instruments.

The LIBRAS instrument achieves a leap from the theoretical method to the product practice in the combination of laser-induced breakdown spectroscopy and Raman spectroscopy, and creatively increases the single-pulse energy of lasers in conventional combinatorial techniques. The instrument is the world's first fully integrated system that is highly integrated and does not require water-cooled devices. Moreover, the instrument has a small size, light weight, compact structure and excellent performance parameters. LIBRAS instrument can better serve geology, biomedicine and environmental pollution monitoring and other fields. It provides effective in-situ rapid analysis of new equipment for related industries, reducing analysis costs and improving production efficiency, highlighting the broad market prospects of the instrument. And application space. This achievement also marks the rapid improvement of the independent research and development capabilities of laser spectroscopy instruments in China.