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Fabrication tolerant chalcogenide mid-infrared multimode interference coupler design with application for Bracewell nulling interferometry

Goldsmith, Harry; Cvetojevic, Nick; Ireland, Michael; Madden, Stephen


Understanding exoplanet formation and finding potentially habitable exoplanets is vital to an enhanced understanding of the universe. The use of nulling interferometry to strongly attenuate the central starlight provides the opportunity to see objects closer to the star than ever before. Given that exoplanets are usually warm, the 4 microns Mid-Infrared region is advantageous for such observations. The key performance parameters for a nulling interferometer are the extinction ratio it can...[Show more]

CollectionsANU Research Publications
Date published: 2017-02-02
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.25.003038
Access Rights: Open Access


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