Category : Optics (components, coatings, instruments and systems) > Optical scanners and galvanometers

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Cross Flexure Pivot Suspension
Moving Magnet Galvanometers
• Excellent For Raster Scanning, Imaging, Repetitive Small Angle Or Military Applications
• Flexures Eliminate Ball Barings for Long Life & Smooth Scanning
• No Lubrication Means No Outgas Or Vapors
• Thermally De-Coupled Stator for Lower Drift
• 4X Greater Position Feedback Signal for Higher Accuracy
Nutfield Technology's HS-15 Flexure Galvanometer has lower cross axis wobble, higher signal-to-noise position detection and faster step response than other flexure scanners in the market. Its architecture is similar to our RS-15 galvanometer except for the rotor and suspension. They operate just like a galvanometer, but with a constant spring force attached to the rotor.
NTI flexure galvanometers use cross flexure pivots instead of ball bearings. Flexures are superior to bearings in several ways including long service life. Our flexures are constructed from high quality stainless steel spring material with an endurance rating over 100 kPSI. Our scanners run at low stress levels, typically less than 10 kPSI. They operate in the "infinite life" portion of the stress curve. This means that these units can run continuously for many years.
Flexure pivots scan smoother because there is no rolling friction or surface finish issues between the balls and raceways. The most demanding raster imaging systems use flexures because of their excellent smoothness and repeatability.
Flexure galvanometers have no lubricants; so there is not an issue with out gassing, which is important in some applications.

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List of all articles in this sub-category Optical scanners and galvanometers

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