The invention relates to high power, spark induced breakdown spectroscopy (SIBS) detectors with controllable delay time and to spark induced breakdown spectroscopy plasma generators with dual electrodes with specific electrode material, both for use in methods and apparatuses for detecting spectral signatures...http://www.google.de/patents/US6034768?utm_source=gb-gplus-sharePatent US6034768 - Induced breakdown spectroscopy detector system with controllable delay time
