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Proceedings Paper

Optical fiber systems for the BigBOSS instrument
Author(s): Jerry Edelstein; Claire Poppett; Martin Sirk; Robert Besuner; Robin Lafever; Jeremy R. Allington-Smith; Graham J. Murray
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Paper Abstract

We describe the fiber optics systems for use in BigBOSS, a proposed massively parallel multi-object spectrograph for the Kitt Peak Mayall 4-m telescope that will measure baryon acoustic oscillations to explore dark energy. BigBOSS will include 5,000 optical fibers each precisely actuator-positioned to collect an astronomical target’s flux at the telescope prime-focus. The fibers are to be routed 40m through the telescope facility to feed ten visible-band imaging spectrographs. We report on our fiber component development and performance measurement program. Results include the numerical modeling of focal ratio degradation (FRD), observations of actual fibers’ collimated and converging beam FRD, and observations of FRD from different types of fiber terminations, mechanical connectors, and fusion-splice connections.

Paper Details

Date Published: 13 September 2012
PDF: 10 pages
Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 845036 (13 September 2012); doi: 10.1117/12.925196
Show Author Affiliations
Jerry Edelstein, Univ. of California, Berkeley (United States)
Claire Poppett, Lawrence Berkeley National Lab. (United States)
Martin Sirk, Univ. of California, Berkeley (United States)
Robert Besuner, Univ. of California, Berkeley (United States)
Robin Lafever, Lawrence Berkeley National Lab. (United States)
Jeremy R. Allington-Smith, Durham Univ. (United Kingdom)
Graham J. Murray, Durham Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 8450:
Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II
Ramón Navarro; Colin R. Cunningham; Eric Prieto, Editor(s)

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