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van Groenestijn, G.J.A. (author), Jansen, T.H. (author), van Neer, P.L.M.J. (author), Jacobs, M.J. (author), Cheng, L.K. (author)Elastic guided waves are carriers of information of the (change in) condition of plate-like structures like windturbine blades, airplane wings and road surfaces on bridges. To measure these guided waves we do not have to use piezos. Other sensors offer interesting benefits like contactless sensing, embedding, or measuring without electricity....conference paper 2018
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van den Dool, T.C. (author), Kruizinga, B. (author), Braam, B.C. (author), Hamelinck, R.F.M.M. (author), Loix, N. (author), van Loon, D. (author), Dams, J. (author)TNO, together with its partners, have designed a cryogenic scanning mechanism for use in the SAFARI Fourier Transform Spectrometer (FTS) on board of the SPICA mission. SPICA is one of the M-class missions competing to be launched in ESA's Cosmic Vision Programme in 2022. JAXA leads the development of the SPICA satellite and SRON is the prime...conference paper 2012
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TNO Industrie en Techniek (author), van den Dool, T.C. (author), Hamelinck, R.F.M.M. (author), Kruizinga, B. (author), Gielesen, W.L.M. (author), Braam, B.C. (author), Nijenhuis, J.R. (author), Loix, N. (author), Luyckx, S. (author), van Loon, D. (author), Kooijman, P.P. (author), Swinyard, B.M. (author)TNO, together with its partners Micromega and SRON, have designed a cryogenic scanning mechanism for use in the SAFARI Fourier Transform Spectrometer (FTS) on board of the SPICA mission. The optics of the FTS scanning mechanism (FTSM) consists of two back-to-back cat's-eyes. The optics are mounted on a central "back-bone" tube which houses all...conference paper 2010