22 July 2010 Fibre positioning revisited: the use of an off-the-shelf assembly robot for OPTIMOS-EVE
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Abstract
The OPTIMOS-EVE instrument proposed for the E-ELT aims to use the maximum field of view available to the E-ELT in the limit of natural or ground-layer-corrected seeing for high multiplex fibre-fed multi-object spectroscopy in the visible and near-IR. At the bare nasmyth focus of the telescope, this field corresponds to a focal plane 2.3m in diameter, with a plate-scale of ~3mm/arcsec. The required positioning accuracy that is implied by seeing limited performance at this plate-scale brings the system into the range of performances of commercial off-the-shelf robots that are commonly used in industrial manufacturing processes. The cost-benefits that may be realized through such an approach must be offset against the robot performance, and the ease with which a useful software system can be implemented. We therefore investigate whether the use of such a system is indeed feasible for OPTIMOS-EVE, and the possibilities of extending this approach to other instruments that are currently in the planning stage.
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Gavin B. Dalton, Gavin B. Dalton, Martin S. Whalley, Martin S. Whalley, Oudayraj Mounissamy, Oudayraj Mounissamy, Eric C. Sawyer, Eric C. Sawyer, Ian A. J. Tosh, Ian A. J. Tosh, David L. Terrett, David L. Terrett, Ian J. Lewis, Ian J. Lewis, "Fibre positioning revisited: the use of an off-the-shelf assembly robot for OPTIMOS-EVE", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77392B (22 July 2010); doi: 10.1117/12.857199; https://doi.org/10.1117/12.857199
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