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Traceability of laser frequency/wavelength calibration through the frequency comb at Inmetro

机译:激光频率/波长校准通过频率梳在INMERO中的可追溯性

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摘要

TheacquisitionofafemtosecondlasercombbytheOpticalMetrologyDivisionofInmetronowallowsforcarryingouthighprecisioncalibrationsofopticalfrequenciesforlaserswhichareusedasstandardsofthelengthunitwithgaugeblockinterferometers.Thefrequencycombisoperatedasanopticalfrequencysynthesizerandispresentlylinkedtothetimeunitbya10MHzoscillatorwhichisdisciplinedbyGPS.Laserfrequenciesaredeterminedwithaccuracyintherangeoffewpartsin1012.Thismeasurementmethodnowlinksthelengthunit,meter,totheSI-secondattendingtherecommendationbytheBIPM...
机译:TheacquisitionofafemtosecondlasercombbytheOpticalMetrologyDivisionofInmetronowallowsforcarryingouthighprecisioncalibrationsofopticalfrequenciesforlaserswhichareusedasstandardsofthelengthunitwithgaugeblockinterferometers.Thefrequencycombisoperatedasanopticalfrequencysynthesizerandispresentlylinkedtothetimeunitbya10MHzoscillatorwhichisdisciplinedbyGPS.Laserfrequenciesaredeterminedwithaccuracyintherangeoffewpartsin1012.Thismeasurementmethodnowlinksthelengthunit,仪表,totheSI-secondattendingtherecommendationbytheBIPM ...

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