Laser-induced breakdown spectroscopy (LIBS) is a method of atomic emission spectroscopy that is used to study the spectra of plasma formed as a result of high-energy laser radiation. LIBS is used to study various materials, including solid samples, liquids, gases, as well as dust and aerosol suspensions. This method can also be called Laser-Induced Breakdown Spectroscopy or Laser-Induced Plasma Spectroscopy.
Optical breakdown occurs when powerful laser radiation enters a medium with high energy density (usually 1010 W/cm2) under normal conditions. This creates plasma in the breakdown region, caused by the laser radiation.
It is important to note that LIBS is a non-destructive method of spectral analysis, meaning it allows materials to be studied without damage. This is because the impact of laser radiation is limited to a very small area on the surface of the sample, and the entire material is not significantly damaged or altered.
Different types of lasers are used in LIBS depending on the required research parameters.
Solar Laser Systems produces specialized radiation sources for use in LIBS.
Energy in a pulse of up to 160 mJ at 1064 nm
Wavelength of radiation 1064 nm or 532 nm
Pulse repetition frequency up to 20 Hz
Adjustable delay up to 80 µs
The Ibsen Photonics FREEDOM HR-DUV spectrometer is an excellent choice for Laser-Induced Breakdown Spectroscopy
Spectral range 178-409 nm
Resolution 0.3 nm
Numerical aperture 0.11
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