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Echidna Mark II: One giant leap for 'tilting spine' fibre positioning technology

Gilbert, James; Dalton, Gavin

Description

The Australian Astronomical Observatory's 'tilting spine' fibre positioning technology has been redeveloped to provide superior performance in a smaller package. The new design offers demonstrated closed-loop positioning errors of <2.8 μm RMS in only five moves (~10 s excluding metrology overheads) and an improved capacity for open-loop tracking during observations. Tilt-induced throughput losses have been halved by lengthening spines while maintaining excellent accuracy. New low-voltage...[Show more]

dc.contributor.authorGilbert, James
dc.contributor.authorDalton, Gavin
dc.coverage.spatialEdinburgh, United Kingdom
dc.date.accessioned2018-11-30T01:19:22Z
dc.date.available2018-11-30T01:19:22Z
dc.date.created26 June 2016 through 1 July 2016
dc.identifier.isbn9780000000000
dc.identifier.urihttp://hdl.handle.net/1885/154041
dc.description.abstractThe Australian Astronomical Observatory's 'tilting spine' fibre positioning technology has been redeveloped to provide superior performance in a smaller package. The new design offers demonstrated closed-loop positioning errors of <2.8 μm RMS in only five moves (~10 s excluding metrology overheads) and an improved capacity for open-loop tracking during observations. Tilt-induced throughput losses have been halved by lengthening spines while maintaining excellent accuracy. New low-voltage multilayer piezo actuator technology has reduced a spine's peak drive amplitude from ~150V to <10V, simplifying the control electronics design, reducing the system's overall size, and improving modularity. Every spine is now a truly independent unit with a dedicated drive circuit and no restrictions on the timing or direction of fibre motion. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
dc.format.mimetypeapplication/pdf
dc.publisherSPIE - The International Society for Optical Engineering
dc.relation.ispartofseriesAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
dc.sourceProceedings of SPIE - The International Society for Optical Engineering
dc.titleEchidna Mark II: One giant leap for 'tilting spine' fibre positioning technology
dc.typeConference paper
local.description.notesImported from ARIES
local.description.refereedYes
dc.date.issued2016
local.identifier.absfor020102 - Astronomical and Space Instrumentation
local.identifier.ariespublicationa383154xPUB4916
local.type.statusPublished Version
local.contributor.affiliationGilbert, James, College of Science, ANU
local.contributor.affiliationDalton, Gavin, University of Oxford
local.identifier.doi10.1117/12.2231366
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
dc.date.updated2018-11-29T08:20:21Z
local.identifier.scopusID2-s2.0-84996865593
local.identifier.thomsonID000387747900063
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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