Realization and testing of an active mirror mechanism for in-field pointing in eLISA

Gert Witvoet; Jet Human; Matthew Maniscalco

doi:10.1117/12.2231225

22 July 2016 Realization and testing of an active mirror mechanism for in-field pointing in eLISA

Gert Witvoet, Jet Human, Matthew Maniscalco

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 99126A (2016) https://doi.org/10.1117/12.2231225
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

An active tilt mirror mechanism, meant for correction of the constellation breathing of the evolved Laser Interferometer Space Antenna, has been designed and realized. Its open-loop performance has been characterized in both time and frequency domain. Based on this, a feedback controller has been designed and the resulting closed-loop performance has been assessed. Up to what is measurable in a normal lab environment, these experiments demonstrate compliance with the extreme pointing jitter requirement, even when using the internal encoder as feedback sensor.

Citation Download Citation

Gert Witvoet, Jet Human, and Matthew Maniscalco "Realization and testing of an active mirror mechanism for in-field pointing in eLISA", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99126A (22 July 2016); https://doi.org/10.1117/12.2231225

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