20 October 2004 The Michigan Infrared Combiner (MIRC): IR imaging with the CHARA Array
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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.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John D. Monnier, Jean-Philippe Berger, Rafael Millan-Gabet, 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); doi: 10.1117/12.550804; https://doi.org/10.1117/12.550804

Infrared imaging

Infrared radiation

Integrated optics




Single mode fibers


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