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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



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ID: 421585.0, MPI für Astronomie / Publikationen_mpia
Technology challenges for space interferometry: The option of mid-infrared integrated optics
Authors:Labadie, L.; Kern, P.; Labeye, P.; Lecoarer, E.; Vigreux-Bercovici, C.; Pradel, A.; Broquin, J. E.; Kirschner, V.
Language:English
Date of Publication (YYYY-MM-DD):2008
Title of Journal:Advances in Space Research
Volume:41
Start Page:1975
End Page:1982
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Nulling interferometry is a technique providing high angular resolution which is the core of the space missions Darwin and TPF. The first objective is to reach a deep degree of starlight cancelation in the range 6 20 mum, in order to observe and to characterize the signal from an earth-like planet. Among the numerous technological challenges involved in these missions, the question of the beam combination and wavefront filtering has an important place. A single-mode integrated optics (IO) beam combiner could support both the functions of filtering and the interferometric combination, simplifying the instrumental design. Such a perspective has been explored in this work within the project Integrated Optics for Darwin (IODA), which aims at developing a first IO combiner in the mid-infrared. The solutions reviewed here to manufacture the combiner here are based on infrared dielectric materials on one side, and on metallic conductive waveguides on the other side. With this work, additional inputs are offered to pursue the investigation on mid-infrared photonics devices.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/abs/2008AdSpR..41.1975L [ID No:1]
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