28 July 2008 The long-stroke MROI vacuum delay lines: from concept to production
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Abstract
We report on test results on the delay line system for the MRO Interferometer, currently under construction in Cambridge, UK. The delay lines are designed to provide 380 metres of vacuum path delay in a single stage, offering rapid star-to-star slews, high throughput and high transmitted wavefront quality. Details of the final design adopted for these delay lines are presented, together with lessons learnt from successful performance tests of the full-scale prototype trolley in a 20-metre long vacuum test rig. Delivery of the first production trolley is expected in New Mexico in early 2009.
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Christopher A. Haniff, Roger C. Boysen, David F. Buscher, Martin Fisher, Eugene B. Seneta, Xiaowei Sun, Donald M. A. Wilson, John S. Young, Fernando Santoro, "The long-stroke MROI vacuum delay lines: from concept to production", Proc. SPIE 7013, Optical and Infrared Interferometry, 70130O (28 July 2008); doi: 10.1117/12.789761; https://doi.org/10.1117/12.789761
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