Interferometric control of fiber lengths for a coherent telescope array.
Single-mode fibers have been proposed for connecting telescopes to mixing stations in coherent telescope arrays intended for image synthesis. We describe a laser-controlled servosystem that keeps the fiber-optical length differences stable and permits passage of wide-bandwidth astronomical beams from an unlimited number of telescopes. Initial laboratory results are presented.
Reynaud
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F
Alleman
J J
JJ
Connes
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P