Development of deployable fibre integral-field-units for the E-ELT

Andreas Kelz, Thomas Jahn, Justus Neumann, Martin M. Roth, Monika Rutowska, Christer Sandin, Harald Nicklas, Heiko Anwand, C. Schmidt

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The use of deployable fibre-bundles plays an increasing role in the design of future Multi-Object-Spectrographs (MOS). Within a research and development project for "Enabling Technologies for the E-ELT", various miniaturized, fibrebundles were designed, built and tested for their suitability for a proposed ELT-MOS instrument. The paper describes the opto-mechanical designs of the bundles and the different manufacture approaches, using glued, stacked and fused optical fibre bundles. The fibre bundles are characterized for performance, using dedicated testbenches in the laboratory and at a telescope simulator. Their performance is measured with respect to geometric accuracy, throughput, FRD behavior and cross-talk between channels.
Original languageEnglish
Title of host publicationProceedings Volume 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation
EditorsRamón Navarro, Colin R. Cunningham, Alison A. Barto
PublisherSPIE Press
Number of pages8
DOIs
Publication statusPublished - 28 Jul 2014
EventSPIE Astronomical Telescopes + Instrumentation - Montréal, Canada
Duration: 22 Jun 201427 Jun 2014

Conference

ConferenceSPIE Astronomical Telescopes + Instrumentation
Country/TerritoryCanada
CityMontréal
Period22/06/1427/06/14

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