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Determination of diffusion profiles of neodymium in lithium niobate by means of spatially-resolved fluorescence measurements

Hempstead, Martin (1994) Determination of diffusion profiles of neodymium in lithium niobate by means of spatially-resolved fluorescence measurements Journal of Applied Physics, 74, pp. 5483-5492. (doi:10.1063/1.354229).

Record type: Article

Abstract

We discuss the application of spatially-resolved measurements of fluorescence intensity to the determination of diffusion profiles, in this case of neodymium ions into lithium niobate, and to the concentration-dependence of the fluorescence lifetime. The technique permits a precise determination of dipsion depth, but extraction of detailed point-by-point concentration measurements is not possible. We give a detailed analysis of the effect on the accuracy of the method of systematic uncertainties, including quantum electrodynamical corrections and concentration-dependent lifetimes. The overall systematic error in measurement of difision coeficient is shown to be approximately 10%. The diffusion coefficients measured are consistent with previous values, but the fluorescence lifetimes obtained are significantly shorter than for bulk-doped Nd: LiNbO3.

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Published date: July 1994

Identifiers

Local EPrints ID: 78283
URI: http://eprints.soton.ac.uk/id/eprint/78283
ISSN: 0021-8979
PURE UUID: 115050ad-f55c-4467-8fe9-e45f83a134bf

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:25

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Author: Martin Hempstead

University divisions

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