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Realization of resampling for analysis of Fourier transform spectrometer data
Umeå University, Faculty of Science and Technology, Department of Physics.
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In this work, we have constructed a working Fourier Transform Spectrometer (FTS) and realized data acquisition and analyses by re-sampling. The FTS was used to analyze the spectrum of LED. A reference interferogram and measurement interferogram were recorded simultaneously to provide the basis for re-sampling data. The re-sampled data were used to produce spectra with better accuracy and precision. The accuracy of the spectra was in the order of 0.2 nm estimated by the HWHM of the re-sampled reference laser. With no re-sampling the resolution dropped to below 100 nm, for which no useful information could be obtained.

Place, publisher, year, edition, pages
2015.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-117074OAI: oai:DiVA.org:umu-117074DiVA: diva2:904754
Subject / course
Fysik C - Examensarbete
Available from: 2016-02-19 Created: 2016-02-19 Last updated: 2016-02-19Bibliographically approved

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