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Realization of resampling for analysis of Fourier transform spectrometer data
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysik.
2015 (engelsk)Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
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.

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2015.
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Identifikatorer
URN: urn:nbn:se:umu:diva-117074OAI: oai:DiVA.org:umu-117074DiVA, id: diva2:904754
Fag / kurs
Fysik C - Examensarbete
Tilgjengelig fra: 2016-02-19 Laget: 2016-02-19 Sist oppdatert: 2016-02-19bibliografisk kontrollert

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