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Proceedings Paper

New multicore low mode noise scrambling fiber for applications in high-resolution spectroscopy
Author(s): Dionne M. Haynes; Itandehui Gris-Sanchez; Katjana Ehrlich; Tim A. Birks; Domenico Giannone; Roger Haynes
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Paper Abstract

We present a new type of multicore fiber (MCF) and photonic lantern that consists of 511 individual cores designed to operate over a broadband visible wavelength range (380-860nm). It combines the coupling efficiency of a multimode fiber with modal stability intrinsic to a single mode fibre. It is designed to provide phase and amplitude scrambling to achieve a stable near field and far field illumination pattern during input coupling variations; it also has low modal noise for increased photometric stability. Preliminary results are presented for the new MCF as well as current state of the art octagonal fiber for comparison.

Paper Details

Date Published: 28 July 2014
PDF: 10 pages
Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 915155 (28 July 2014); doi: 10.1117/12.2057170
Show Author Affiliations
Dionne M. Haynes, Leibniz-Institut für Astrophysik Potsdam (Germany)
Itandehui Gris-Sanchez, Univ. of Bath (United Kingdom)
Katjana Ehrlich, Leibniz-Institut für Astrophysik Potsdam (Germany)
Tim A. Birks, Univ. of Bath (United Kingdom)
Domenico Giannone, Leibniz-Institut für Astrophysik Potsdam (Germany)
Roger Haynes, Leibniz-Institut für Astrophysik Potsdam (Germany)


Published in SPIE Proceedings Vol. 9151:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation
Ramón Navarro; Colin R. Cunningham; Allison A. Barto, Editor(s)

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