Performance of a magnetic driven tip-tilt mirror

Jacopo Farinato; Simone Esposito; Enrico Marchetti; Roberto Ragazzoni; Donald G. Bruns

doi:10.1117/12.268980

21 March 1997 Performance of a magnetic driven tip-tilt mirror

Jacopo Farinato, Simone Esposito, Enrico Marchetti, Roberto Ragazzoni, Donald G. Bruns

Proceedings Volume 2871, Optical Telescopes of Today and Tomorrow; (1997) https://doi.org/10.1117/12.268980
Event: Optical Telescopes of Today and Tomorrow, 1996, Landskrona/Hven, Sweden

Abstract

ThermoTrex Corporation has designed and built a prototype of the fast steering mirror to be used for image motion control in the TNG adaptive optics system. The principal characteristic of this mirror is the use of voice coil actuators whose positions are controlled with closed loops based on capacitive sensors. Here we report the main features of the mirror assembly and laboratory measurements done to characterize the mirror behavior. The Bode diagram of the mirror is reported and discussed.

Citation Download Citation

Jacopo Farinato, Simone Esposito, Enrico Marchetti, Roberto Ragazzoni, and Donald G. Bruns "Performance of a magnetic driven tip-tilt mirror", Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); https://doi.org/10.1117/12.268980

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