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Laser-induced breakdown spectroscopy (LIBS) in cultural heritage
Summary
Laser-induced breakdown spectroscopy (LIBS) offers rapid elemental analysis for diverse materials. This technique is crucial for cultural heritage studies, analyzing artifacts and artworks.
Area of Science:
- Analytical Chemistry
- Spectroscopy
- Materials Science
Background:
- Laser-induced breakdown spectroscopy (LIBS) is a powerful analytical technique.
- It enables rapid, in-situ elemental composition determination of various materials.
- LIBS finds applications in both laboratory and field settings.
Purpose of the Study:
- To describe the fundamental principles of LIBS.
- To present key instrumentation aspects relevant to LIBS.
- To illustrate the application of LIBS in cultural heritage analysis.
Main Methods:
- Focusing a short laser pulse onto a sample surface.
- Generating a laser-induced plasma.
- Analyzing the emitted spectrum for elemental identification.
Main Results:
- LIBS provides qualitative, semi-quantitative, and quantitative elemental data.
- The technique is applicable to a wide range of materials including pigments, pottery, glass, stone, metals, minerals, and fossils.
- LIBS has been successfully utilized in the analysis of archaeological and historical objects, monuments, and works of art.
Conclusions:
- LIBS is a versatile and efficient method for elemental analysis.
- Its application in cultural heritage provides valuable insights into material composition and provenance.
- The technique's utility extends to fields like planetary science, demonstrated by its use in robotic rovers.
