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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 7 — Apr. 1, 2009
  • pp: 1096–1098

Fibered nulling telescope for extra-solar coronagraphy

François Hénault  »View Author Affiliations

Optics Letters, Vol. 34, Issue 7, pp. 1096-1098 (2009)

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A family of fibered nulling telescopes is described, based on the joint use of several recent suggested or demonstrated techniques, namely, pupil densification, multiaxial recombination and single-mode fiber modal filtering, and the use of a fully symmetric beam splitter arrangement. The concept seems appropriate for the realization of a spaceborne nulling telescope, searching for Jupiterlike extra-solar planets and a precursor of future missions, such as Darwin or terrestrial planet finder interferometer (TPF-I). However, it is generally not possible to satisfy at the same time two major requirements, being the depth and size of the central nulling area, and the global throughput for the observed planet.

© 2009 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.6110) Fourier optics and signal processing : Spatial filtering
(350.1260) Other areas of optics : Astronomical optics

ToC Category:
Fourier Optics and Signal Processing

Original Manuscript: January 16, 2009
Manuscript Accepted: February 15, 2009
Published: March 30, 2009

François Hénault, "Fibered nulling telescope for extra-solar coronagraphy," Opt. Lett. 34, 1096-1098 (2009)

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