Coupling Control of a Telescope Focus into a Single-Mode Optical Fiber Based on a Reference Model Controller
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We propose and demonstrate a low-cost magnetomechanical fiber micro-positioner for optical coupling, with a square-millimeter working range and a resolution of a few microns per pixel. We demonstrate the functionality of the positioner as a beam pattern imaging system for a 14” Dobsonian telescope as it is compact enough to be mounted instead of a small-telescopes eye-piece. The aim is to use this positioner to couple and stabilize a telescope beam to a single-mode fiber. We make a first approach to a reference model controller showing an increase of the average coupled power under perturbations from 54% to 85%.
CONICYT Chile grants ALMA 31090018 and 31140025 QUIMAL 150010 Chilean Center for Excellence in Astrophysics and Associated Technologies (CONICYT Project PFB 06)
Artículo de publicación SCOPUS
Quote ItemIEEE CHILECON 2017 Page(s): 1 - 5
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