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Proceedings Paper

Progress in deep broadband interferometric nulling with the adaptive nuller
Author(s): Robert D. Peters; Oliver P. Lay; Akiko Hirai; Muthu Jeganathan
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Paper Abstract

Deep, stable starlight suppression is needed for the direct interferometric detection of Earth-like planets and requires careful control of the intensity and phase of the beams that are being combined. We have developed a novel compensator for the Terrestrial Planet Finder Interferometer based on a deformable mirror to correct the intensity and phase at each wavelength across the bandwidth of 8 to 12 microns wavelength. This paper will discuss the results of using the adaptive nuller to achieve deep broadband nulling in the mid-IR.

Paper Details

Date Published: 28 July 2008
PDF: 8 pages
Proc. SPIE 7013, Optical and Infrared Interferometry, 70131V (28 July 2008); doi: 10.1117/12.786845
Show Author Affiliations
Robert D. Peters, Jet Propulsion Lab. (United States)
Oliver P. Lay, Jet Propulsion Lab. (United States)
Akiko Hirai, Jet Propulsion Lab. (United States)
Muthu Jeganathan, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 7013:
Optical and Infrared Interferometry
Markus Schöller; William C. Danchi; Françoise Delplancke, Editor(s)

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