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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper JSIII1_3

A Three-dimensional Photonic Beam Combiner for Astronomical Interferometery

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Abstract

Integrated photonic components have demonstrated outstanding performance in beam combination for infrared astronomical interferometry [1] thanks to their exceptional thermo-mechanical stability and small physical dimensions, suitable for cryogenic assemblies. Planar photonic circuits are currently used in existing devices combining up to 4-telescopes simultaneously on all possible baselines [2], thus enabling interferometric imaging of fast astronomical events. Addition of a third-dimension in photonic circuits could significantly simplify the design of integrated beam combiners for a large number of telescopes and baselines.

© 2011 Optical Society of America

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