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

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dc.contributor.authorKenchington Goldsmith, Harry-Dean
dc.contributor.authorIreland, Michael
dc.contributor.authorMa, Pan
dc.contributor.authorLuther-Davies, Barry
dc.contributor.authorWang, Rongping
dc.contributor.authorNorris, Barnaby R. M.
dc.contributor.authorTuthill, Peter G.
dc.contributor.authorMadden, Steve
dc.contributor.editorCreech-Eakman, M.
dc.contributor.editorTuthill, P.
dc.contributor.editorMerand, A.
dc.coverage.spatialAustin, United States
dc.date.accessioned2020-02-11T23:13:22Z
dc.date.available2020-02-11T23:13:22Z
dc.date.createdJune 11-15 2018
dc.date.issued2018-07-09
dc.date.updated2019-11-25T07:32:12Z
dc.description.abstractThe 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 exhibits 60 dB of contrast, or only 20 dB if it is hot due to its formation energy or being close to its host star. A two dimensional nulling interferometer, made with chalcogenide glass, has been measured to produce a null of 20 dB depth, limited by scattered light. Measures to increase the null depth to the theoretical limit of 60 dB are discussed.en_AU
dc.description.sponsorshipThis research was supported by the Australian Research Council (ARC) Centre of Excellence for Ultrahigh bandwidth Devices for Optic Systems (CUDOS) project CE110001018.en_AU
dc.format.extent12 pagesen_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0277-786Xen_AU
dc.identifier.urihttp://hdl.handle.net/1885/201645
dc.language.isoen_AUen_AU
dc.provenancehttp://sherpa.ac.uk/romeo/issn/0277-786X/ Author can archive publisher's version/PDF. Publisher's version/PDF may be used (preferred) (Sherpa/Romeo as of 12/2/2020). http://spie.org/publications/journals/guidelines-for-authors Harry-Dean Kenchington Goldsmith, Michael J. Ireland, Pan Ma, Barry Luther-Davies, Rongping Wang, Barnaby Norris, Peter Tuthill, and Stephen J. Madden "Photonic mid-infrared nulling for exoplanet detection on a planar chalcogenide platform", Proc. SPIE 10701, Optical and Infrared Interferometry and Imaging VI, 107011E (9 July 2018); https://doi.org/10.1117/12.2311904 Copyright 2018 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited (Publisher journal website as of 12/2/2020)en_AU
dc.publisherSPIEen_AU
dc.relationhttp://purl.org/au-research/grants/arc/CE110001018en_AU
dc.relation.ispartofseries2018 Optical and Infrared Interferometry and Imaging VI
dc.rights© 2018 SPIEen_AU
dc.sourceProceedings of SPIE - The International Society for Optical Engineeringen_AU
dc.subjectExoplanet, Interferometery, Nulling, Multimode Interference coupleren_AU
dc.titlePhotonic mid-infrared nulling for exoplanet detection on a planar chalcogenide platformen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.startpage107011Een_AU
local.contributor.affiliationKenchington Goldsmith, Harry-Dean, College of Science, The Australian National Universityen_AU
local.contributor.affiliationIreland, Michael, College of Science, The Australian National Universityen_AU
local.contributor.affiliationMa, Pan, College of Science, The Australian National Universityen_AU
local.contributor.affiliationLuther-Davies, Barry, College of Science, The Australian National Universityen_AU
local.contributor.affiliationWang, Rongping, Ningbo Universityen_AU
local.contributor.affiliationNorris, Barnaby R M, University of Sydneyen_AU
local.contributor.affiliationTuthill, Peter G, University of Sydneyen_AU
local.contributor.affiliationMadden, Steve, College of Science, The Australian National Universityen_AU
local.contributor.authoruidKenchington Goldsmith, Harry-Dean, u4853659en_AU
local.contributor.authoruidIreland, Michael, u5544212en_AU
local.contributor.authoruidMa, Pan, u5248101en_AU
local.contributor.authoruidLuther-Davies, Barry, u7601418en_AU
local.contributor.authoruidMadden, Steve, u4151700en_AU
local.description.notesImported from ARIESen_AU
local.description.refereedYes
local.identifier.absfor020102 - Astronomical and Space Instrumentationen_AU
local.identifier.absfor020504 - Photonics, Optoelectronics and Optical Communicationsen_AU
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciencesen_AU
local.identifier.ariespublicationu3102795xPUB1748en_AU
local.identifier.citationvolume10701en_AU
local.identifier.doi10.1117/12.2311904en_AU
local.identifier.essn1996-756Xen_AU
local.identifier.scopusID2-s2.0-85052862710
local.publisher.urlhttps://spie.org/en_AU
local.type.statusPublished Versionen_AU

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