Illustration of the positioning method of the optical elements. (dowel
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Download scientific diagram | Illustration of the positioning method of the optical elements. (dowel pins, Ø=6 mm, M6) will guide the base plate into footprint (see Fig. 2). All element base plates rest on four or more free cylindrical pillars (Ø=14 mm) which will define the vertical position of the optical elements. The alignment procedure was performed in three steps: measurements of the reference points (the footprints, see below) on the bottom plate of the inner chamber, measurements on each individual optical element after assembly and finally measurements on the elements when mounted in their final position in the chamber. For the alignment two instruments have been used. A conventional level instrument (vertical precision ~±0.05 mm) and a Platinum FaroArm (see Fig. 4). The latter is a coordinate measuring machine with a measuring range of 1.2 m and volumetric maximum deviation of ±0.018 mm. In these measurements a touch probe was used which means that data points are taken automatically when the probe touches the object. By loading the CAD drawings of objects into the FaroArm software a direct comparison between the real object and the CAD drawing can be made during the measurements. from publication: ION OPTICS ALIGNMENT IN THE ELECTROSTATIC DOUBLE STORAGE RING DESIREE | The alignment of the ion optics is always a critical task during the construction of a storage ring. In the electrostatic double ring, DESIREE a somewhat unconventional method has been chosen for the alignment process. In terms of ion optics alignment the quadrupoles are the | Alignment, Ions and Ion Optics | ResearchGate, the professional network for scientists.
Illustration of the positioning method of the optical elements. (dowel
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