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Proceedings Paper

Prefocal station mechanical design concept study for the E-ELT
Author(s): Paul Jolley; Enzo Brunetto; Christoph Frank; Steffan Lewis; Enrico Marchetti
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Paper Abstract

The Nasmyth platforms of the E-ELT will contain one Prefocal Station (PFS) each. The main PFS functional requirements are to provide a focal plane to the three Nasmyth focal stations and the Coudé focus, optical sensing supporting telescope low order optimisation and seeing limited image quality, and optical sensing supporting characterising and phasing of M1 and other telescope subsystems. The PFS user requirements are used to derive the PFS technical requirements specification that will form the basis for design, development and production of the system. This specification process includes high-level architectural decisions and technical performance budget allocations. The mechanical design concepts reported here have been developed in order to validate key system specifications and associated technical budgets.

Paper Details

Date Published: 27 July 2016
PDF: 15 pages
Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99062H (27 July 2016); doi: 10.1117/12.2232957
Show Author Affiliations
Paul Jolley, European Southern Observatory (Germany)
Enzo Brunetto, European Southern Observatory (Germany)
Christoph Frank, European Southern Observatory (Germany)
Steffan Lewis, European Southern Observatory (Germany)
Enrico Marchetti, European Southern Observatory (Germany)


Published in SPIE Proceedings Vol. 9906:
Ground-based and Airborne Telescopes VI
Helen J. Hall; Roberto Gilmozzi; Heather K. Marshall, Editor(s)

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