Fizeau beam combination with optical interferometers: some ideas for second-generation VLTI instrumentation

Markus Schoeller

doi:10.1117/12.390191

5 July 2000 Fizeau beam combination with optical interferometers: some ideas for second-generation VLTI instrumentation

Markus Schoeller

Proceedings Volume 4006, Interferometry in Optical Astronomy; (2000) https://doi.org/10.1117/12.390191
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

All ground based interferometers are using a Michelson beam combination scheme in their current and planned interferometric instruments. This leads to a severe restriction on their interferometric field-of-view. One can overcome this restriction by using Fizeau beam combination instead. We are describing a possible scheme for Fizeau beam combination with two and more telescopes, trying to minimize the technical complexity and at the same time giving better signal-to-noise characteristics than previously favored concepts.

Citation Download Citation

Markus Schoeller "Fizeau beam combination with optical interferometers: some ideas for second-generation VLTI instrumentation", Proc. SPIE 4006, Interferometry in Optical Astronomy, (5 July 2000); https://doi.org/10.1117/12.390191

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