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Article: High-resolution, large dynamic range fiber length measurement based on a frequency-shifted asymmetric Sagnac interferometer

TitleHigh-resolution, large dynamic range fiber length measurement based on a frequency-shifted asymmetric Sagnac interferometer
Authors
Issue Date2005
Citation
Optics Letters, 2005, v. 30, n. 24, p. 3287-3289 How to Cite?
AbstractWe propose and experimentally demonstrate a single-mode fiber length and dispersion measurement system based on what we believe to be a novel frequency-shifted asymmetric Sagnac interferometer incorporating an acousto-optic modulator (AOM). By sweeping the driving frequency of the AOM, which is asymmetrically placed in the Sagnac loop, the optical length of the fiber can be determined by measuring the corresponding variation in the phase delay between the two counterpropagating light beams. Combined with a highresolution data processing algorithm, this system yields a dynamic range from a few centimeters to 60 km (limited by our availability of long fibers) with a resolution of ~1 part per million for long fibers. © 2005 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/285898
ISSN
2020 Impact Factor: 3.776
2020 SCImago Journal Rankings: 1.524
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorQi, Bing-
dc.contributor.authorTausz, Andrew-
dc.contributor.authorQian, Li-
dc.contributor.authorLo, Hoi Kwong-
dc.date.accessioned2020-08-18T04:56:56Z-
dc.date.available2020-08-18T04:56:56Z-
dc.date.issued2005-
dc.identifier.citationOptics Letters, 2005, v. 30, n. 24, p. 3287-3289-
dc.identifier.issn0146-9592-
dc.identifier.urihttp://hdl.handle.net/10722/285898-
dc.description.abstractWe propose and experimentally demonstrate a single-mode fiber length and dispersion measurement system based on what we believe to be a novel frequency-shifted asymmetric Sagnac interferometer incorporating an acousto-optic modulator (AOM). By sweeping the driving frequency of the AOM, which is asymmetrically placed in the Sagnac loop, the optical length of the fiber can be determined by measuring the corresponding variation in the phase delay between the two counterpropagating light beams. Combined with a highresolution data processing algorithm, this system yields a dynamic range from a few centimeters to 60 km (limited by our availability of long fibers) with a resolution of ~1 part per million for long fibers. © 2005 Optical Society of America.-
dc.languageeng-
dc.relation.ispartofOptics Letters-
dc.titleHigh-resolution, large dynamic range fiber length measurement based on a frequency-shifted asymmetric Sagnac interferometer-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/OL.30.003287-
dc.identifier.scopuseid_2-s2.0-30744433114-
dc.identifier.volume30-
dc.identifier.issue24-
dc.identifier.spage3287-
dc.identifier.epage3289-
dc.identifier.eissn1539-4794-
dc.identifier.isiWOS:000233827000009-
dc.identifier.issnl0146-9592-

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