New multicore low mode noise scrambling fiber for applications in high-resolution spectroscopy

Dionne M. Haynes; Itandehui Gris-Sanchez; Katjana Ehrlich; Tim A. Birks; Domenico Giannone; Roger Haynes

doi:10.1117/12.2057170

28 July 2014 New multicore low mode noise scrambling fiber for applications in high-resolution spectroscopy

Dionne M. Haynes, Itandehui Gris-Sanchez, Katjana Ehrlich, Tim A. Birks, Domenico Giannone, Roger Haynes

Proceedings Volume 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation; 915155 (2014) https://doi.org/10.1117/12.2057170
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

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.

Citation Download Citation

Dionne M. Haynes, Itandehui Gris-Sanchez, Katjana Ehrlich, Tim A. Birks, Domenico Giannone, and Roger Haynes "New multicore low mode noise scrambling fiber for applications in high-resolution spectroscopy", Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 915155 (28 July 2014); https://doi.org/10.1117/12.2057170

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