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Utilization of Fiber Optics for Remote Sensing by Laser-Induced Plasma Spectroscopy (LIPS)

Recently, a renewed interest in laser-induced plasma spectroscopy (LIPS) has been observed in the literature. For LIPS, an intense, pulsed laser beam is focused onto the sample, resulting in the dissociation and partial ionization in a rapidly growing plasma cloud. The spectrally and temporally resolved detection of the characteristic atomic emission lines provides analytical information about the elemental composition of the sample. The objective of this work was to design a simple and robust ® ber-optic probe for remote sensing by laser-induced plasma spectroscopy. Such a probe can be employed for various applications such as analysis of radioactive materials6,7 or environmental monitoring and process analysis, or it can be generally used in applications where the sample of interest is not directly accessible.