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Laser frequency-noise-limited ultrahigh resolution remote fiber sensing

Chow, Jong; Littler, I C M; McClelland, David; Gray, Malcolm B


When a fiber Fabry-Perot is used in an ultra-sensitive strain detection system via a radio-frequency interrogation scheme, its frequency discrimination properties can be enhanced by reducing the linewidth of its resonance. This increases the signal-to-noise ratio, and thus suppresses the strain equivalent noise floor. We demonstrate this improvement in a long-distance high performance remote sensing system and show that in reflection, it can mitigate the effects of random phase noise...[Show more]

CollectionsANU Research Publications
Date published: 2006-05-29
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.14.004617


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