5 September 2014 Comparisons of the deflections of magnetically smart films on alloy of NiCo and glass substrates
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Abstract
This report begins with a review of the basic concept of deformable X-ray optics, and the need for this approach for future X-ray astronomy missions that have ~1” resolution. We then report on our advances made on using magnetic smart materials (MSMs) to adjust the shape of thin (~100-200 µm thickness) electroformed replicated optics or glass optics. We show that we can well model deflections in 5 mm x 20 mm glass pieces and we provide preliminary evidence that the concept will work that involves imposing a magnetic field on the hard magnetic substrate (NiCo) to maintain the change in mirror shape.
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Melville P. Ulmer, Xiaoli Wang, Peter Knapp, Jian Cao, Yifang Cao, Tyler Karian, Shannon Grogans, Michael E. Graham, Semyon Vaynman, Youwei Yao, "Comparisons of the deflections of magnetically smart films on alloy of NiCo and glass substrates", Proc. SPIE 9208, Adaptive X-Ray Optics III, 920808 (5 September 2014); doi: 10.1117/12.2062008; https://doi.org/10.1117/12.2062008
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