An Optical Frequency Standard Basedon the Indium Ion
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A single indium ion stored in a radio frequency trap and laser-cooled to a temperature below 1 mK can serve as an optical frequency standard of exceptionally high accuracy and stability. Probing the 5s2 1S0 - 5s5p 3P0 transition of 115In+ at λ = 237 nm with a natural linewidth of 0.8 Hz by a sub-Hertz linewidth laser can lead to an accuracy of 10–18 after several days of averaging. So far, a fractional resolution of 1.3 × 10–13 has been obtained, limited by the frequency fluctuations of the laser exciting the 1S0 - 3P0 resonance. The absolute frequency of the 1S0 - 3P0 transition was determined to 1 267 402 452 899.92(0.23) kHz (Δν / ν = 1.8 × 10–13), where the measurement uncertainty is dominated by the frequency uncertainty of the He–Ne laser serving as a reference. Further improvements in this measurement together with a comparison with other narrow atomic resonances would allow investigations of variations of fundamental constants in time.
DOI: 10.1007/978-3-540-40991-5_16
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Nevsky</name><affiliation wicri:level="1"><mods:affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</mods:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching</wicri:regionArea><wicri:noRegion>85748 Garching</wicri:noRegion><wicri:noRegion>85748 Garching</wicri:noRegion></affiliation></author><author><name>Christian Schwedes</name><affiliation wicri:level="1"><mods:affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</mods:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching</wicri:regionArea><wicri:noRegion>85748 Garching</wicri:noRegion><wicri:noRegion>85748 Garching</wicri:noRegion></affiliation></author><author><name>Joachim von Zanthier</name><affiliation wicri:level="1"><mods:affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</mods:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching</wicri:regionArea><wicri:noRegion>85748 Garching</wicri:noRegion><wicri:noRegion>85748 Garching</wicri:noRegion></affiliation></author><author><name>Herbert Walther</name><affiliation wicri:level="1"><mods:affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</mods:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching</wicri:regionArea><wicri:noRegion>85748 Garching</wicri:noRegion><wicri:noRegion>85748 Garching</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:10949269_Chapter_16.pdf</idno><date when="2004">2004</date><idno type="doi">10.1007/978-3-540-40991-5_16</idno><idno type="wicri:Area/Main/Corpus">000511</idno><idno type="wicri:Area/Main/Curation">000511</idno><idno type="wicri:Area/Main/Exploration">000004</idno></publicationStmt><seriesStmt><idno type="doi">10.1007/b13178</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">A single indium ion stored in a radio frequency trap and laser-cooled to a temperature below 1 mK can serve as an optical frequency standard of exceptionally high accuracy and stability. Probing the 5s2 1S0 - 5s5p 3P0 transition of 115In+ at λ = 237 nm with a natural linewidth of 0.8 Hz by a sub-Hertz linewidth laser can lead to an accuracy of 10–18 after several days of averaging. So far, a fractional resolution of 1.3 × 10–13 has been obtained, limited by the frequency fluctuations of the laser exciting the 1S0 - 3P0 resonance. The absolute frequency of the 1S0 - 3P0 transition was determined to 1 267 402 452 899.92(0.23) kHz (Δν / ν = 1.8 × 10–13), where the measurement uncertainty is dominated by the frequency uncertainty of the He–Ne laser serving as a reference. Further improvements in this measurement together with a comparison with other narrow atomic resonances would allow investigations of variations of fundamental constants in time.</div></front></TEI><mods xsi:schemaLocation="http://www.loc.gov/mods/v3 file:///applis/istex/home/loadistex/home/etc/xsd/mods.xsd" version="3.4" istexId="59c7cc777f267c6bd67cb27ffee57d7c4a63bd49"><titleInfo lang="eng"><title>An Optical Frequency Standard Basedon the Indium Ion</title></titleInfo><name type="personal"><namePart type="given">Petrissa</namePart><namePart type="family">Eckle</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</affiliation></name><name type="personal"><namePart type="given">Mario</namePart><namePart type="family">Eichenseer</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</affiliation></name><name type="personal"><namePart type="given">Alexander Y.</namePart><namePart type="family">Nevsky</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</affiliation></name><name type="personal"><namePart type="given">Christian</namePart><namePart type="family">Schwedes</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</affiliation></name><name type="personal"><namePart type="given">Joachim</namePart><namePart type="family">von Zanthier</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</affiliation></name><name type="personal"><namePart type="given">Herbert</namePart><namePart type="family">Walther</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>MPI für Quantenoptik and Sektion Physik der LMU München, Hans-Kopfermann-Str.1, 85748 Garching, Germany</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Paper</genre><originInfo><publisher>Springer Berlin Heidelberg, Berlin, Heidelberg</publisher></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">A single indium ion stored in a radio frequency trap and laser-cooled to a temperature below 1 mK can serve as an optical frequency standard of exceptionally high accuracy and stability. Probing the 5s2 1S0 - 5s5p 3P0 transition of 115In+ at λ = 237 nm with a natural linewidth of 0.8 Hz by a sub-Hertz linewidth laser can lead to an accuracy of 10–18 after several days of averaging. So far, a fractional resolution of 1.3 × 10–13 has been obtained, limited by the frequency fluctuations of the laser exciting the 1S0 - 3P0 resonance. The absolute frequency of the 1S0 - 3P0 transition was determined to 1 267 402 452 899.92(0.23) kHz (Δν / ν = 1.8 × 10–13), where the measurement uncertainty is dominated by the frequency uncertainty of the He–Ne laser serving as a reference. Further improvements in this measurement together with a comparison with other narrow atomic resonances would allow investigations of variations of fundamental constants in time.</abstract><relatedItem type="series"><titleInfo><title>Lecture Notes in Physics</title><partNumber>Volume: 648</partNumber><partName lang="eng">Astrophysics, Clocks and Fundamental Constants</partName></titleInfo><genre>Monograph</genre><genre>eBook</genre><originInfo><copyrightDate encoding="w3cdtf">2004</copyrightDate><issuance>monographic</issuance></originInfo><subject usage="primary"><topic>Physics</topic><topic>Astrophysics</topic><topic>Quantum Physics</topic><topic>Measurement Science, Instrumentation</topic><topic>Relativity and Cosmology</topic><topic>Elementary Particles, Quantum Field Theory</topic></subject><identifier type="issn">0075-8450</identifier><identifier type="issn">Electronic: 1616-6361</identifier><identifier type="isbn">978-3-540-21967-5</identifier><identifier type="isbn">Electronic: 978-3-540-40991-5</identifier><identifier type="doi">10.1007/b13178</identifier><identifier type="matrixNumber">5304</identifier><identifier type="local">BookChapterCount: 20</identifier><identifier type="local">BookTitleID: 79176</identifier><recordInfo><recordOrigin>Springer-Verlag Berlin/Heidelberg, 2004</recordOrigin></recordInfo></relatedItem><identifier type="doi">10.1007/978-3-540-40991-5_16</identifier><identifier type="matrixNumber">Chap16</identifier><identifier type="local">16</identifier><accessCondition type="use and reproduction">MetadataGrant: OpenAccess</accessCondition><accessCondition type="use and reproduction">AbstractGrant: OpenAccess</accessCondition><accessCondition type="restriction on access">BodyPDFGrant: Restricted</accessCondition><accessCondition type="restriction on access">BodyHTMLGrant: Restricted</accessCondition><accessCondition type="restriction on access">BibliographyGrant: Restricted</accessCondition><accessCondition type="restriction on access">ESMGrant: Restricted</accessCondition><part><extent unit="pages"><start>263</start><end>272</end></extent></part><recordInfo><recordIdentifier>10949269_Chapter_16.pdf</recordIdentifier></recordInfo></mods></record>Pour manipuler ce document sous Unix (Dilib)
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