Tunable etalons and other applications of multi-application low-voltage piezoelectric instrument control electronics (MALICE)

Alan D. Scott; Rodney Norman; Liping Zhou

doi:10.1117/12.552005

30 September 2004 Tunable etalons and other applications of multi-application low-voltage piezoelectric instrument control electronics (MALICE)

Alan D. Scott, Rodney Norman, Liping Zhou

Author Affiliations +

Proceedings Volume 5492, Ground-based Instrumentation for Astronomy; (2004) https://doi.org/10.1117/12.552005
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

EMS have developed low voltage piezoelectric (LVPZT) tunable filters for the James Webb Space Telescope (JWST), and a wide field tunable Michelson for the Canadian Space Agency’s (CSA) Stratospheric Wind Interferometer For Transport studies (SWIFT) instrument. As a spin-off from this work, we have developed a prototype control system for ground-based interferometric optics using LVPZTs and capacitive displacement sensor feedback. The system is designed to control three channels in parallel with a measurement resolution target of <0.1 Å/√Hz, and thermal drift bandwidth limit of ~1 Hz over a dynamic motion range of ~8 μm. The prototype Multi-Application LVPZT Instrument Control Electronics (MALICE) system will be delivered in fall 2004 with a field-widened Michelson to perform observations of atmospheric wave phenomena at remote weather stations. We describe the performance of the MALICE prototype and its applications to astronomical imaging and remote sensing.

Citation Download Citation

Alan D. Scott, Rodney Norman, and Liping Zhou "Tunable etalons and other applications of multi-application low-voltage piezoelectric instrument control electronics (MALICE)", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); https://doi.org/10.1117/12.552005

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