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Laser-induced breakdown spectroscopy
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Details
Laser-induced breakdown spectroscopy is a type of atomic emission spectroscopy which uses a highly energetic laser pulse as the excitation source. The laser is focused to form a plasma, which atomizes and excites samples. In principle, LIBS can analyse any matter regardless of its physical state, be it solid, liquid or gas. Because all elements emit light of characteristic frequencies when excited to sufficiently high temperatures, LIBS can detect all elements, limited only by the power of the laser as well as the sensitivity and wavelength range of the spectrograph & detector. In practice, detection limits are a function of a the plasma excitation temperature, b) the light collection window, and c) the line strength of the viewed transition. LIBS makes use of optical emission spectrometry and is to this extent very similar to arc/spark emission spectroscopy. LIBS operates by focusing the laser onto a small area at the surface of the specimen; when the laser is discharged it ablates a very small amount of material, in the range of nanograms to picograms, which generates a plasma plume with temperatures in excess of 100,000 K
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130685461
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Genre Physik & Astronomie
- Größe H220mm x B150mm x T5mm
- Jahr 2010
- EAN 9786130685461
- Format Fachbuch
- ISBN 978-613-0-68546-1
- Titel Laser-induced breakdown spectroscopy
- Untertitel Atomic emission spectroscopy, Spectroscopy, Laser, Chemical element, State of matter, Ablation, Plasma (physics), Ion, Atomic
- Gewicht 136g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 80
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