23 September 2015 ATLID beam steering mechanism and derived new piezoelectric-based devices for optical applications
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In Space & Defence (as well as in many others fields), there is a trend for miniaturisation in active optics requiring new actuators. Applications also often require the ability to withstand high vibrations and shocks levels, as well as vacuum compatibility for space applications. A new generation of small and smart actuators such as piezoelectric (piezo) actuators, are resolving this trend, thanks to their capacity to offer high energy density and to support both extreme and various requirements. This paper first presents the BSM mechanism and its requirements, the technologies involved in the design and the validation campaign results. Secondly, a derived XY piezoelectric positioning stage based on the same APA® and associated Strain Gage sensing technology is presented with its associated performances. Finally, a new piezoelectric motor based on the APA® technology, which allows the combination of long stroke while maintaining high resolution positioning of optical elements, is presented with experimental performances.
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F. Bourgain, F. Bourgain, F. Barillot, F. Barillot, C. Belly, C. Belly, F. Claeyssen, F. Claeyssen, } "ATLID beam steering mechanism and derived new piezoelectric-based devices for optical applications", Proc. SPIE 9626, Optical Systems Design 2015: Optical Design and Engineering VI, 96262A (23 September 2015); doi: 10.1117/12.2191334; https://doi.org/10.1117/12.2191334

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