Photonic Crystal Fiber in stellar interferometry

Details Photonic Crystal Fiber in stellar interferometry Photonic Crystal Fiber in stellar interferometry

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sf2a.conf..279v&link_type=abstract

SF2A-2005: Semaine de l'Astrophysique Francaise, meeting held in Strasbourg, France, June 27 - July 1, 2005, Edited by F. Casoli

Physics

Optics

Scientific paper

Photonic Crystal Fibers (PCFs) are microstructured waveguides that are used in metrology, non-linear optics, and optical coherent tomography. PCF studies are focused mainly on the improvement of dispersion properties and wide spectral single-mode operating domains. Consequently, in the astronomical context this kind of fiber is a good candidate for use in the design of a fiber-linked version of a stellar interferometer for aperture synthesis. We discuss the potential of these fibers to take advantage of wide spectral single-mode operation. We propose an experimental set-up that acts as a three-beam interferometer that uses PCFs to measure fringe contrast and closure phase at four different wavelengths which correspond to the R, I, J, and H astronomical bands.

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