On the Similarity and Differences between NELIBS & NELIPS in Laser Induced Nanomaterials Plasma

The interaction of pulsed lasers with matter involving nanomaterials as a pure target or thin layer deposited on a target, initiates transient plasma which shows strong enhancement in a spectral line emission. This domain of research has been explored via two well established techniques dubbed NELIBS and NELIPS. These Nano-Enhanced Laser Induced Breakdown or Plasma Spectroscopy techniques entail similarities as well as differences. Thereupon, certain confusion has arisen from various aspects of the similarities as well as differences between the two techniques. In this article, we will investigate the application of either technique to retrieve relevant data about enhanced spectral line plasma emission phenomenon. To discriminate between these two techniques, survey on the nature of target, the origin of enhancement and prevalent theoretical approaches is presented. Finally, potential achievements, challenges, and the expected prospective are highlighted.