Determination Of Atomic Lifetimes Using Laser-Induced Fluorescence From Sputtered Metal Vapor

P. Hannaford; R. M. Lowe

doi:10.1117/12.7973193

1 October 1983 Determination Of Atomic Lifetimes Using Laser-Induced Fluorescence From Sputtered Metal Vapor

P. Hannaford, R. M. Lowe

Author Affiliations +

Optical Engineering, Vol. 22, Issue 5, 225532 (October 1983). https://doi.org/10.1117/12.7973193

Abstract

A detailed description is given of a recently established life-times method, in which the time decay of atomic fluorescence is recorded following pulsed laser excitation of an atomic vapor produced by cathodic sputtering in a rare-gas discharge. The method is readily applicable to neutral and singly ionized atoms of a wide range of elements, including the highly refractory elements for which, until very recently, little lifetime data have been available. A theoretical discussion is presented of the form of the time-resolved fluorescence signal detected following pulsed laser excitation of a group of atoms, with particular emphasis on possible sources of distortion in the fluorescence decay curves. Ex-amples are given of lifetime measurements on both neutral and singly ionized atoms of a number of refractory elements and comparisons made with other recent laser-induced fluorescence measurements. Some new lifetime data are reported for levels in Zr I, Zr II, Ag I, and Cu I.

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P. Hannaford and R. M. Lowe "Determination Of Atomic Lifetimes Using Laser-Induced Fluorescence From Sputtered Metal Vapor," Optical Engineering 22(5), 225532 (1 October 1983). https://doi.org/10.1117/12.7973193

Published: 1 October 1983

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