LIBS for Geological Study
Researchers from New Mexico State University (Las Cruces, New Mexico) have replaced the standard rock identification tools of field geologists with laser-induced breakdown spectroscopy (LIBS).
Researchers from New Mexico State University (NMSU) (Las Cruces, New Mexico) have replaced the standard rock identification tools of field geologists with laser-induced breakdown spectroscopy (LIBS). The technique involves virtually no sample preparation and results are instantaneous. In addition, LIBS is now portable, and requires only an electric generator to operate in the field.LIBS allows for conclusive testing to be done on tiny amounts of material, thereby limiting the damage to precious stones and archaeological materials such as paint.
Nancy McMillan, department head and professor of geology at NMSU, said that while many universities are currently using LIBS, only a few geology departments are using it to study Earth materials. And with future applications of LIBS growing, "The students are positioning themselves for exciting jobs as this technology hits geoscience industries and they are the people in their generation that are already trained," McMillan said.
Newsletter
Get essential updates on the latest spectroscopy technologies, regulatory standards, and best practices—subscribe today to Spectroscopy.
sCMOS vs CCD: Advancing High-Speed CARS Spectroscopy
July 14th 2025A new comparative study shows that scientific CMOS (sCMOS) cameras could rival traditional CCD detectors in certain Raman CARS spectroscopy applications, offering faster readout and dynamic range despite slightly higher noise levels.
How Analytical Chemists Are Navigating DOGE-Driven Funding Cuts
July 14th 2025DOGE-related federal funding cuts have sharply reduced salaries, lab budgets, and graduate support in academia. Researchers view the politically driven shifts in priorities as part of recurring systemic issues in U.S. science funding during administrative transitions. The impact on Federal laboratories has varied, with some seeing immediate effects and others experiencing more gradual effects. In general, there is rising uncertainty over future appropriations. Sustainable recovery may require structural reforms, leaner administration, and stronger industry-academia collaboration. New commentary underscores similar challenges, noting scaled-back graduate admissions, spending freezes, and a pervasive sense of overwhelming stress among faculty, students, and staff. This article addresses these issues for the analytical chemistry community.
