公开(公告)号：US10365159B2

公开(公告)日：2019-07-30

申请号：US15539217

申请日：2015-02-02

Applicant: Foss Analytical A/S

Inventor： Steen Kjaer Andersen ,  Mads Lykke Andersen

IPC: G01J3/453 ,  G01J3/45 ,  G01J3/06

Abstract: A spectrometer system comprises a scanning interferometer; a drive system mechanically coupled to a movable reflector element of the scanning interferometer and operable to effect reciprocation of the movable reflector element at a plurality, preferably more than two, for example three, different scan speeds; a detector arrangement configured to sample at equidistant time intervals an interferogram formed by the scanning interferometer to generate a sampled interferogram; and a data processor is adapted to acquire a sampled interferogram at each of the plurality of different scan speeds and to perform a relative comparison of the content of the so acquired plurality of sampled interferograms.