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Title: Analytical laser spectroscopy of elements of relevance in the nuclear industry
Author: Morris, G. W.
Awarding Body: University of Wales Swansea
Current Institution: Swansea University
Date of Award: 1999
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In this work various techniques of laser spectroscopy have been investigated and researched, in terms of their usefulness as analytical tools in the nuclear industry. The materials analysed in this work reflect those found in the industrial environment; they include samples in solid, liquid and gaseous forms and several important elements encountered in the production and processing cycles as well as possible release into the environment have been studied. Primarily the technique of Laser Induced Breakdown Spectroscopy (LIBS) was utilised. This is a simple method which can be exploited for real time, in situ analysis and requires only optical access to the material which requires analysis. As such it is an ideal method for analysis of substances which have limited access due to their inherent hazardous properties or their location. The addition of a tuneable laser potentially increases the sensitivity of LIBS. The plasma is probed by the tuneable laser to selectively excite specific elements; this technique, termed Laser Induced Fluorescence Spectroscopy (LIFS), has also been investigated in LIBS and LIFS experimental implementation. Major findings of this work include the detection of iodine in air to a detection limit of 100ppm, and a detailed survey of the methods of constructing calibration curves from data obtained from laser generated plasmas.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available