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Photonic mid-infrared nulling for exoplanet detection on a planar chalcogenide platform

Kenchington Goldsmith, Harry-Dean; Ireland, Michael; Ma, Pan; Luther-Davies, Barry; Wang, Rongping; Norris, Barnaby R. M.; Tuthill, Peter G.; Madden, Steve


The future of exoplanet detection lies in the mid-infrared (MIR). The MIR region contains the blackbody peak of both hot and habitable zone exoplanets, making the contrast between starlight and planet light less extreme. It is also the region where prominent chemical signatures indicative of life exist, such as ozone at 9.7 μm. At a wavelength of 4 μm the difference in emission between an Earth-like planet and a star like our own is 80 dB. However a jovian planet, at the same separation...[Show more]

CollectionsANU Research Publications
Date published: 2018-07-09
Type: Journal article
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.2311904
Access Rights: Open Access


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