Differential group refractive index dispersion of glasses of optical fibres measured by a white-light spectral interferometric technique

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dc.contributor.authorHlubina, Petr
dc.contributor.authorChlebus, Radek
dc.contributor.authorCiprian, Dalibor
dc.date.accessioned2007-07-20T06:59:05Z
dc.date.available2007-07-20T06:59:05Z
dc.date.issued2007
dc.description.abstract-enWe report on a white-light interferometric technique employing a low-resolution spectrometer to measure the differential group refractive index of glasses of optical fibres over a wide wavelength range. The technique utilizes an unbalanced Mach–Zehnder interferometer with a fibre under test of known length inserted in one of the interferometer arms and the other arm with adjustable path length. We record a series of spectral interferograms to measure the equalization wavelength as a function of the path length difference, or equivalently the group dispersion. Subtracting the group dispersion of the optical components present in the interferometer along with the fibre, we measure the wavelength dependence of differential group refractive index for pure silica and SK222 glasses. We confirm that the differential group dispersion measured for pure silica glass agrees well with that described by the dispersion equation.en
dc.identifier.citationMeasurement Science and Technology. 2007, vol. 18, no. 5, p. 1547-1552.en
dc.identifier.doi10.1088/0957-0233/18/5/046
dc.identifier.issn0957-0233
dc.identifier.issn1361-6501
dc.identifier.locationNení ve fondu ÚKen
dc.identifier.urihttp://hdl.handle.net/10084/61010
dc.identifier.wos000246553100048
dc.language.isoenen
dc.publisherInstitute of Physicsen
dc.publisherIOP Publishing
dc.relation.ispartofseriesMeasurement Science and Technologyen
dc.relation.urihttp://dx.doi.org/10.1088/0957-0233/18/5/046en
dc.subjectspectral interferometryen
dc.subjectwhite-light sourceen
dc.subjectlow-resolution spectrometeren
dc.subjectMach–Zehnder interferometeren
dc.subjectgroup refractive indexen
dc.subjectdispersionen
dc.subjectpure silica glassen
dc.subjectSK222 glassen
dc.titleDifferential group refractive index dispersion of glasses of optical fibres measured by a white-light spectral interferometric techniqueen
dc.typearticleen

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