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Proceedings Paper

Coupling and sensitivity enhancement with multiple-core fibers in ground-based interferometry
Author(s): Sudhakar Prasad
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Paper Abstract

Principally because single-mode fibers are perfect spatial filters, they have great potential for ground-based interferometry. The author of this paper has recently shown how a novel multiple-core design can enhance the overall efficiency of a SM fiber many-fold when the fiber is coupled to atmospherically degraded wavefronts. We present theoretical results on the possible enhancement of signal-to-noise ratios in image reconstruction with interferometers using such fibers with a multiple-core geometry. Our results have strong implications for the feasibility of an all-fiber interferometry concept, both on the ground and in space.

Paper Details

Date Published: 14 June 1995
PDF: 12 pages
Proc. SPIE 2476, Fiber Optics in Astronomical Applications, (14 June 1995); doi: 10.1117/12.211843
Show Author Affiliations
Sudhakar Prasad, Univ. of New Mexico and Air Force Phillips Lab. (United States)

Published in SPIE Proceedings Vol. 2476:
Fiber Optics in Astronomical Applications
Samuel Charles Barden, Editor(s)

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