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Optimization of atomic Faraday filters in the presence of homogeneous line broadening.

Zentile, Mark A. and Mathew, Renju S. and Whiting, Daniel J. and Keaveney, James and Adams, Charles S. and Hughes, Ifan G. (2015) 'Optimization of atomic Faraday filters in the presence of homogeneous line broadening.', Journal of physics B : atomic, molecular and optical physics., 48 (18). p. 185001.


We show that homogeneous line broadening drastically affects the performance of atomic Faraday filters. We study the effects of cell length and find that the behaviour of 'line-centre' filters are quite different from 'wing-type' filters, where the effect of self-broadening is found to be particularly important. We use a computer optimization algorithm to find the best magnetic field and temperature for Faraday filters with a range of cell lengths, and experimentally realize one particular example using a micro-fabricated 87Rb vapour cell. We find excellent agreement between our theoretical model and experimental data.

Item Type:Article
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Publisher statement:Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Date accepted:08 July 2015
Date deposited:23 September 2015
Date of first online publication:September 2015
Date first made open access:No date available

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