Searched for: author%3A%22Jansen%2C+R.%22
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Molkenboer, F.T. (author), Jansen, R. (author), van Werkhoven, W.P. (author), Luijkx, T.S. (author), Mulckhuyse, W.F.W. (author)
public lecture 2022
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Molkenboer, F.T. (author), Jansen, R. (author), Luijkx, T.S. (author), van Werkhoven, W.P. (author), Mulckhuyse, W.F.W. (author)
article 2022
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Molkenboer, F.T. (author), Jansen, R. (author), Luijkx, T.S. (author), van Werkhoven, W.P. (author), Mulckhuyse, W.F.W. (author)
public lecture 2022
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Rozsas, A. (author), Slobbe, A. (author), Martini, G. (author), Jansen, R. (author)
This paper describes a static diagnostic load testing and measurement campaign of a reinforced concrete road bridge in Amsterdam. We consider 29 vertical translation sensors and 37 strain sensors. Multiple Bayesian parameter estima tions are performed to estimate two structural and two load parameters of a three-dimensional finite element (FE)...
article 2022
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Molkenboer, F.T. (author), Jansen, R. (author), Luijkx, T.S. (author), Werkhoven, W.P. (author), Haasnoot, H.J. (author), Mulckhuyse, W.F.W. (author), van Schreven, E.L.C. (author), de Roode, B.J.M. (author)
public lecture 2021
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Molkenboer, F.T. (author), Jansen, R. (author), van Werkhoven, W.P. (author), Mulckhuyse, W.F.W. (author), van Schreven, E.L.C. (author), de Roode, B.J.M. (author), Haasnoot, H.J. (author), Abutan, A. (author), van der Valk, N.C.J. (author), Luijkx, T.S. (author)
public lecture 2021
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Köhler, J. (author), Jansen, R. (author), Irizar, J. (author), Sohmer, A. (author), Melf, M. (author), Greinacher, R. (author), Erdmann, M. (author), Kirschner, V. (author), Pérez Albiñana, A. (author), Martin, D. (author), de Goeij, B.T.G. (author), Vink, H.J.P. (author), Day, J.P.R. (author), ten Bloemendal, D. (author), Gielesen, W.L.M. (author), de Vreugd, J. (author), van der Laan, L.W. (author), van 't Hof, C.A. (author)
Sentinel-5 is an Earth atmospheric monitoring mission developed within the European Union’s Copernicus program. The mission objective is to monitor the composition of the Earth’s atmosphere on a daily basis. Airbus DS GmbH acts as the prime contractor under a European Space Agency contract. The instrument design, development, and the instrument...
conference paper 2021
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Vandeweijer, V. (author), Carpentier, S. (author), Paap, B. (author), Blacquière, G. (author), Jansen, R. (author), Reinsch, T. (author)
In 2017 TNO and GFZ combined a dense accelerometer based high resolution surface seismic survey with a fibre optic based Vertical Seismic Profiling (DAS VSP) survey. The combined survey took place on a narrow patch of land in a challenging, noisy urban environment, in Berlin, Germany. The objective was to demonstrate the possibility to acquire a...
conference paper 2019
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Jansen, R. (author), Day, J.P.R. (author), Vink, H.J.P. (author), de Vreugd, J. (author), van Beekum, E.R.J. (author), van der Laan, L.W. (author), van 't Hof, A.C.A. (author), Gielesen, W.L.M. (author), Koehler, J. (author)
Sentinel-5 is an Earth atmospheric monitoring mission developed within the Copernicus program. The mission objective is to monitor the composition of the Earth's atmosphere on a daily basis. TNO is developing the UV1 spectrometer subsystem as well as the two telescope subsystems. In this paper, the design of the UV1 spectrometer is described and...
conference paper 2019
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Burkhardt, M. (author), Rathje, T. (author), Lehr, D. (author), Erdmann, L. (author), Helgert, M. (author), Triebel, P. (author), Diehl, T. (author), Gatto, A. (author), van der Valk, N.C.H. (author), Vink, H.J.P. (author), Jansen, R. (author), Day, J.P.R. (author), Gielesen, W.L.M. (author)
The first diffraction gratings on curved substrates were manufactured by employing ruling engines by H.A. Rowland. Due to the ruling principle, these gratings are characterized by equidistant parallel lines if the line pattern is projected along the optical axis onto a tangential plane in the vertex of the grating substrate. The Offner...
conference paper 2019
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van der Ham, J. (author), Groot, S. (author), Wilson, S. (author), Bernstein, D.J. (author), Krezmien, J. (author), van Laethem, B. (author), Jansen, R. (author), Boeke, S. (author), Planqué, S. (author), van Lom, M. (author), Niemantsverdrie, J. (author), Cornelisse, R. (author), Bijlenga, N. (author), Fransen, F. (author), Kerkdijk, R. (author), Seepers, R.M. (author), Ingenhoes, G. (author), Speelman, F. (author), Schaffner, C. (author), Alexander, P. (author), van Aarsen, J. (author), Helder, J. (author), van Os, R. (author), Richdale, K. (author), Huttner, B. (author), Kooning, L. (author), Doer, C. (author), Pontier, M. (author), Mak, M. (author), Cappers, B. (author), Mengerink, J. (author), van de Pasch, J. (author), Oosterwijk, S. (author), Blokker, J. (author)
2018 is a difficult year to summarize for Infosec. After the initial flurry of activity around Spectre and Meltdown in the beginning of January, we ended the year with global supply chain concerns brought about by the Super Micro story. Throughout the year we saw the geopolitical dilemmas of 2018 manifest in cyber security issues. Technology...
other 2019
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Molkenboer, F.T. (author), Jansen, R. (author), van Werkhoven, W.P. (author), Tanis, P. (author)
public lecture 2019
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Molkenboer, F.T. (author), Jansen, R. (author), van Werkhoven, W.P. (author), Rustumji, B.J. (author), Luijkx, T.S. (author)
In 2018 TNO started with the conceptual design of a new Space calibration facility, called CSI. The CSI will be used for the performance verification and calibration of optical earth observation instruments on satellites. At the end of 2018, Angelantoni Test Technologies (ATT) from Italy was awarded a contract after completion of the European...
public lecture 2019
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Molkenboer, F.T. (author), Jansen, R. (author), Veraar, R.G. (author), Otter, G.C.J. (author), van Werkhoven, W.P. (author), Koster, N.B. (author), Driessen, F.P.G. (author)
public lecture 2018
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de Goeij, B.T.G. (author), Otter, G.C.J. (author), van Wakeren, J.M.O. (author), Veefkind, J.P. (author), Vlemmix, T. (author), Ge, X. (author), Levelt, P.F. (author), Dirks, B.P.F. (author), Toet, P.M. (author), van der Wal, L.F. (author), Jansen, R. (author)
In recent years TNO has investigated and developed different innovative opto-mechanical designs to realize advanced spectrometers for space applications in a more compact and cost-effective manner. This offers multiple advantages: a compact instrument can be flown on a much smaller platform or as add-on on a larger platform; a low-cost...
conference paper 2017
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Liu, Z. (author), Htein, L. (author), Cheng, L.K. (author), Martina, Q. (author), Jansen, R. (author), Tam, H.Y. (author)
In this paper, we present a miniature fluidic flow sensor based on a short fiber Bragg grating inscribed in a single mode fiber and heated by Co2+-doped multimode fibers. The proposed flow sensor was employed to measure the flow rates of oil and water, showing good sensitivity of 0.339 nm/(m/s) and 0.578 nm/(m/s) for water and oil, flowing at v ...
article 2017
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Snijders, B. (author), van der Wal, L.F. (author), de Goeij, B.T.G. (author), Jansen, R. (author), Toet, P. (author), Oosterling, J.A.J. (author)
Driven by technology developments triggering end user’s attention, the market for nano-and micro satellites is developing rapidly. At present there is a strong focus on 2D imaging of the Earth’s surface, with limited possibilities to obtain high resolution spectral information. More demanding applications, such as monitoring trace gases,...
conference paper 2017
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Boersma, A. (author), Cremers, R. (author), Jansen, R. (author)
The functionalization of optical fibers containing Fiber Bragg Gratings is a very interesting approach in the development of distributed chemical sensors. We have shown a large variety of coatings, ranging from polymers to ceramics as responsive layers for the detection of many chemical species. Some coated fibers can be applied in extreme...
conference paper 2016
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van der Wal, L.F. (author), de Goeij, B.T.G. (author), Jansen, R. (author), Oosterling, J.A.J. (author), Snijders, B. (author)
The market for nano-and microsatellites is developing rapidly. There is a strong focus on 2D imaging of the Earth's surface, with limited possibilities to obtain spectral information. More demanding applications, such as monitoring trace gases, aerosols or water quality still require advanced imaging instruments, which are large, heavy and...
conference paper 2016
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Gür, B. (author), Otter, G.J.C. (author), Jansen, R. (author), Groote Schaarsberg, J.J.M. (author), Brinkers, S. (author)
Optical components with scattering properties, so-called diffusers, are core elements of calibration units in earth observation instruments. Their performance influences significantly the achievable accuracy of scientific observations. It is of high importance however to characterize the scattering properties of such a diffuser with minimum...
conference paper 2015
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