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, 5483-5492. (doi:10.1063/1.354229).

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Description/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.

Item Type: Article
ISSNs: 0021-8979 (print)
1089-7550 (electronic)
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Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78283
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:58
URI: http://eprints.soton.ac.uk/id/eprint/78283

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