Physics – Optics
Scientific paper
Mar 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004optco.232...31v&link_type=abstract
Optics Communications, Volume 232, Issue 1-6, p. 31-43.
Physics
Optics
2
Interferometry, Fiber Testing And Measurement Of Fiber Parameters
Scientific paper
In the frame of 'OHANA project (phase II), IRCOM institute characterizes the 300-m long silica fibres which will link the Canada-France-Hawaii-Telescope and the Gemini telescope. In this paper, we report a method to compensate the differential chromatic dispersion between two 300-m long silica polarization-maintaining fibres. We experimentally show that the differential dispersion is not the same on each neutral axis of the fibre. Moreover, thanks to a channeled spectrum analysis, we are able to foresee the evolution of the contrast as a function of the wavelength and the spectral resolution over a given spectral band. Consequently, we are able to adjust the fibre lengths in order to maximize the contrast over J spectral window.
Delage Laurent
Reynaud François
Vergnole Sébastien
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