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21 February 2003 Infrared beam combination at the CHARA Array
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The CHARA Array consists of six 1-meter telescopes. The telescopes are at fixed positions laid out in a Y-shaped pattern, where the longest available baseline is 330 meters. The resolving power of this interferometric array operating at visible and short infrared wavelengths is better than one milli-arcsecond. The current infrared beam combination system is capable of combining the light from any two of the six telescopes in the array. With the existing infrared beam combination and detection system, we routinely observe in K and H band, where our magnitude limit is 6.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Judit Sturmann, Theo Armand ten Brummelaar, Stephen T. Ridgway, Mark A. Shure, Neda Safizadeh, Laszlo Sturmann, Nils Henning Turner, and Harold A. McAlister "Infrared beam combination at the CHARA Array", Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003);

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