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Optimization of sub-Doppler DAVLL on the rubidium D2 line.

Harris, M.L. and Cornish, S.L. and Tripathi, A. and Hughes, I.G. (2008) 'Optimization of sub-Doppler DAVLL on the rubidium D2 line.', Journal of physics B : atomic, molecular and optical physics., 41 (8). 085401.

Abstract

We discuss the physics of sub-Doppler DAVLL spectroscopy, which employs a pump beam with an axial magnetic field to induce dichroism in an atomic vapour. The dichroism is measured by a counterpropagating probe beam, while the pump generates sub-Doppler spectral features. The magnitude of the field is chosen to shift the frequency of the absorption features by an amount comparable to their linewidth. The reference signals obtained are ideal for laser frequency discriminant signals (laser 'locking' to the atomic transition) without frequency modulation. We discuss the sensitivity of the spectra to magnetic field, laser power and polarization purity, and suggest operating parameters for the 87Rb F = 2 → F' = 3, 2 crossover transition which maximize the signal amplitude and gradient.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1088/0953-4075/41/8/085401
Publisher statement:This is an author-created, un-copyedited version of an article accepted for publication in Journal of Physics B: Atomic, Molecular and Optical Physics. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/0953-4075/41/8/085401.
Date accepted:No date available
Date deposited:30 April 2014
Date of first online publication:April 2008
Date first made open access:No date available

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