The Michigan Infrared Combiner (MIRC): IR imaging with the CHARA Array

John D. Monnier; Jean-Philippe Berger; Rafael Millan-Gabet; Theo A. ten Brummelaar

doi:10.1117/12.550804

20 October 2004 The Michigan Infrared Combiner (MIRC): IR imaging with the CHARA Array

John D. Monnier, Jean-Philippe Berger, Rafael Millan-Gabet, Theo A. ten Brummelaar

Proceedings Volume 5491, New Frontiers in Stellar Interferometry; (2004) https://doi.org/10.1117/12.550804
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

We present the design of the Michigan Infra-Red Combiner (MIRC). MIRC is planned for deployment at the Georgia State University CHARA array to simultaneously combine all six telescope beams in an image-plane combiner. The novel design incorporates spatial-filtering with single-mode fiber optics, a synthetic (densified) pupil, and a low-resolution spectrometer to allow good calibration and efficient aperture synthesis imaging in the near-infrared. In addition, the focalization and spectrometer optics can accommodate an integrated optics component with minimal re-alignment. The MIRC concept can be scaled-up for interferometer arrays with more telescopes.

Citation Download Citation

John D. Monnier, Jean-Philippe Berger, Rafael Millan-Gabet, and Theo A. ten Brummelaar "The Michigan Infrared Combiner (MIRC): IR imaging with the CHARA Array", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); https://doi.org/10.1117/12.550804

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