A study of degraded light coupling into single-mode fibers

Cyril Ruilier

doi:10.1117/12.317094

24 July 1998 Degraded light coupling into single-mode fibers

Cyril Ruilier

Proceedings Volume 3350, Astronomical Interferometry; (1998) https://doi.org/10.1117/12.317094
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

Because they have demonstrated very high visibility accuracies and have greatly simplified conventional interferometric recombination devices, single-mode fibers are being seriously considered in several optical interferometry projects. This paper deals with light coupling into single-mode fibers. An analytical expression of the coupling efficiency is derived for the monochromatic case. Then, the effect of purely static aberrations is considered. Finally, coupling in the presence of atmospheric turbulence is investigated for long exposure times. Using temporal sequencies of turbulent wavefronts, simulations are performed for a wide range of seeing conditions with both uncorrected turbulence and various levels of correction by an adaptive optics system.

Citation Download Citation

Cyril Ruilier "Degraded light coupling into single-mode fibers", Proc. SPIE 3350, Astronomical Interferometry, (24 July 1998); https://doi.org/10.1117/12.317094

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