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Real-time displacement measurement immune from atmospheric parameters using optical frequency combs

Jian, Pu; Pinel, Olivier; Fabre, Claude; Lamine, Brahim; Treps, Nicolas


We propose a direct and real-time displacement measurement using an optical frequency comb, able to compensate optically for index of refraction variations due to atmospheric parameters. This scheme could be useful for applications requiring stringent precision over a long distance in air, a situation where dispersion becomes the main limitation. The key ingredient is the use of a mode-locked laser as a precise source for multi-wavelength interferometry in a homodyne detection scheme. By...[Show more]

CollectionsANU Research Publications
Date published: 2012-11-19
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.20.027133


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