ABB spectrometer in low-earth orbit profiles atmospheric chemistry Measurement & Analytics – Measurement made easy ABB served as the prime contractor for the design and manufacturing of the Fourier Transform Spectrometer aboard the Canadian Space Agency’s SciSat-1 satellite. Background The Atmospheric Chemistry Experiment (ACE) is the main payload of the Canadian science satellite, SciSat. ACE consists of a suite of instruments in which the primary element is an ABB infrared Fourier Transform Spectrometer (FTS) coupled with imagers in the visible and near-infrared ranges. The challenge The experiment emphasizes the changes occurring over Canada and the Arctic. Scientific goals include: – Understanding the chemical and dynamical processes that control the distribution of ozone

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