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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 12 — Apr. 20, 2006
  • pp: 2749–2754

Deep nulling of laser light with a single-mode-fiber beam combiner

Pierre Haguenauer and Eugene Serabyn  »View Author Affiliations


Applied Optics, Vol. 45, Issue 12, pp. 2749-2754 (2006)
http://dx.doi.org/10.1364/AO.45.002749


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Abstract

The detection of faint companions to bright stars requires the development of very-high-contrast-ratio detection techniques such as nulling interferometry. Here we present, to our knowledge, the first experimental test of a novel beam-combination method, which is based on coupling the light at the center of a dual-aperture interference pattern into a single-mode fiber. Using such a “fiber nuller” approach, a visible He–Ne laser has been stably nulled to as low as 1.3 × 10 6 , thus validating the approach.

© 2006 Optical Society of America

OCIS Codes
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(350.1260) Other areas of optics : Astronomical optics

History
Original Manuscript: September 2, 2005
Manuscript Accepted: October 14, 2005

Citation
Pierre Haguenauer and Eugene Serabyn, "Deep nulling of laser light with a single-mode-fiber beam combiner," Appl. Opt. 45, 2749-2754 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-12-2749

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