Highly sensitive laser diode detection of CsCl

Document Type

Article

Publication Date

1-1-2007

Abstract

A highly sensitive method aimed at detection of CsCl on nuclear remediation sites with isotopic selectivity was developed. The approach couples electric discharge in hydrogen as a source of dissociation of CsCl with high-resolution absorption spectroscopy using a tunable laser diode for subsequent identification of metallic cesium. The number densities of CsCl as low as 5 × 107 cm-3 can be detected with a signal-to-noise ratio better than 10 during seconds-long observation.

Publication Title

Nuclear Technology

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