Searched for: subject%3A%22infrared%22
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Jahangiri, M. (author), Sberna, P. (author), Sammak, A. (author), Nihtianov, S. (author)
Most of the studies on narrow-band nearinfrared detection reported so far are related to the 1.3 μm and 1.55 μm spectral windows. There is insufficient research work done on radiation detection in the narrow band around 1 μm wavelength, which is just outside the Si (0.95 μm) and GaAs (0.85 μm) effective cut-off spectral sensitivity. This paper...
conference paper 2023
document
Kariis, H. (author), Barbosa, A. (author), Barros, A. (author), Ferreira, P. (author), Gullström, C. (author), Hogervorst, M.A. (author), Jonsson, R. (author), Millet-Ribot, C. (author), Rubeziene, V. (author), Santos, G. (author), Schwarz, A. (author), Senzier, C. (author), Varnaite-Žuravliova, S. (author), Winkelmann, M. (author), Åkerlind, C. (author)
With the increased threat from advanced sensor systems using several wavelength bands and sensor fusion, the requirements on camouflage increase. Consequently, in order to reduce the risk of EU soldiers being detected, identified and engaged, adaptive camouflage prototypes have been developed, implemented and demonstrated. Several active and...
conference paper 2022
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Fattori, M. (author), Cardarelli, S. (author), Fijn, J. (author), Harpe, P. (author), Charbonneau, M. (author), Locatelli, D. (author), Lombard, S. (author), Laugier, C. (author), Tournon, L. (author), Jacob, S. (author), Romanjek, K. (author), Coppard, R. (author), Gold, H. (author), Adler, M. (author), Zirkl, M. (author), Groten, J. (author), Tschepp, A. (author), Lamprecht, B. (author), Postl, M. (author), Stadlober, B. (author), Socratous, J. (author), Cantatore, E. (author)
In this work is presented for the first time a large-area proximity sensing surface fabricated by printing organic materials and featuring distributed Analog Frontend Electronics (AFE) based on Organic Thin-Film Transistors (OTFTs). The sensor foil enables detecting the presence of approaching heat sources (like humans or moving machines) at a...
article 2022
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Merkx, M.J.M. (author), Jongen, R.G.J. (author), Mameli, A. (author), Lemaire, P.C. (author), Sharma, K. (author), Hausmann, D.M. (author), Kessels, W.M.M. (author), Mackus, A.J.M. (author)
As the semiconductor industry progresses toward more complex multilayered devices with ever smaller features, accurately aligning these layers with respect to each other has become a bottleneck in the advancement to smaller transistor nodes. To avoid alignment issues, area-selective atomic layer deposition (ALD) can be employed to deposit...
article 2021
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Mione, M.A. (author), Vandalon, V. (author), Mameli, A. (author), Kessels, W.M.M. (author), Roozeboom, F. (author)
An atmospheric-pressure plasma-enhanced spatial atomic layer deposition (PE-s-ALD) process for SiO2 using bisdiethylaminosilane (BDEAS, SiH2[NEt2]2) and O2 plasma is reported along with an investigation of its underlying growth mechanism. Within the temperature range of 100−250 °C, the process demonstrates self-limiting growth with a growth per...
article 2021
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Tordera, D. (author), Peeters, B. (author), Delvitto, E. (author), Shanmugam, S. (author), Maas, J. (author), de Riet, J. (author), Verbeek, R. (author), van de Laar, R. (author), Bel, T. (author), Haas, G. (author), Ugalde, L. (author), van Breemen, A. (author), Katsouras, I. (author), Kronemeijer, A.J. (author), Akkerman, H. (author), Meulenkamp, E. (author), Gelinck, G. (author)
We combine a low dark current and high-detectivity near-infrared (NIR)-sensitive organic photodetector with a high-resolution 508 pixels per inch (ppi) oxide thin-film transistor (TFT) backplane to create a large-area thin NIR detector, using processes that are compatible with flat-panel display fabrication. The detector is characterized showing...
article 2020
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Wang, J. (author), Zardetto, V. (author), Datta, K. (author), Zhang, D. (author), Wienk, M.M. (author), Janssen, R.A.J. (author)
Perovskite semiconductors hold a unique promise in developing multijunction solar cells with high-efficiency and low-cost. Besides design constraints to reduce optical and electrical losses, integrating several very different perovskite absorber layers in a multijunction cell imposes a great processing challenge. Here, we report a versatile two...
article 2020
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Veerman, H.E.T. (author), Schleijpen, H.M.A. (author), Brettschneider, S.A. (author), Amram, R. (author)
The observable infrared signature of naval platforms is crucial in determining survivability and is therefore an important issue in warfare. Increased detectability in the EM spectrum leads to higher susceptibility against threats like sea skimming anti-ship missiles. The infrared platform signature is not a fixed quantity but a highly dynamic...
conference paper 2020
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Nunez, J. (author), Wang, Y. (author), Bäumer, S.M.B. (author), Boersma, A. (author)
The health and environmental effects of particulate matter (PM) in the air depend on several parameters. Besides particle size, shape, and concentration, the chemical nature of the PM is also of great importance. State-of-the-art PM sensors only detect the particle size and concentration. Small, low-cost sensors only identify PM according to PM2...
article 2020
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Sweelssen, J. (author), Blokland, H. (author), Rajamaki, T. (author), Boersma, A. (author)
Liquid Natural Gas (LNG) is an energy source that is becoming more important in energy transition, as the world is facing lower the CO2 emissions and backup sources for wind and solar energy are needed. LNG is becoming a major player not only as fuel for power plants, but also in transport and mobility. However, the composition of LNG varies...
article 2020
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Sweelssen, J. (author), Blokland, H. (author), Rajamäki, T. (author), Sarjonen, R. (author), Boersma, A. (author)
The energy market is facing a major transition, in which natural gas and renewable gasses will play an important role. However, changing gas sources and compositions will force the gas transporters, gas engine manufacturers, and gas grid operators to monitor the gas quality in a more intensive way. This leads to the need for lower cost, smaller,...
article 2020
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Mameli, A. (author), Verheijen, M.A. (author), Mackus, A.J.M. (author), Kessels, W.M.M. (author), Roozeboom, F. (author)
public lecture 2019
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Pruim, R.H.R. (author), van Opbroek, A. (author), Kruithof, M.C. (author), den Hollander, R.J.M. (author), Baan, J. (author), van den Broek, S.P. (author), van der Stap, N. (author), Dijk, J. (author)
Automatic detection and tracking of maritime targets in imagery can greatly increase situation awareness on naval vessels. Various methods for detection and tracking have been proposed so far, both for reasoning as well as for learning approaches. Learning approaches have the promise to outperform reasoning approaches. They typically detect...
conference paper 2019
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van Kooten, M. (author), Doelman, N.J. (author), Kenworthy, M. (author)
For high-contrast imaging systems, the time delay is one of the major limiting factors for the performance of the extreme adaptive optics (AO) sub-system and, in turn, the final contrast. The time delay is due to the finite time needed to measure the incoming disturbance and then apply the correction. By predicting the behavior of the...
article 2019
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Mione, M.A. (author), Creyghton, Y. (author), Engeln, R. (author), Kessels, W.M.M. (author), Roozeboom, F. (author)
public lecture 2019
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Nieuwenhuizen, R.P.J. (author), Schottner, M. (author), Pruim, R.H.R. (author), van Dijk, R. (author), van der Stap, N. (author), Schutte, K. (author)
Hyperspectral imaging sensors acquire images in a large number of spectral bands, unlike traditional electro-optical and infrared sensors which sample only one or few bands. Hyperspectral mosaic sensors acquire an image of all spectral bands in one shot. Using a patterned array of spectral filters they measure different wavelength bands at...
conference paper 2019
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Mione, M.A. (author), Engeln, R. (author), Vandalon, V. (author), Kessels, W.M.M. (author), Roozeboom, F. (author)
public lecture 2019
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van der Steen, J.L.P.J. (author), Peters, L.C.J.M. (author), Smits, E.C.P. (author), Zalar, P. (author), Gelinck, G.H. (author)
Thermal imagers conventionally consist of a suspended sensing element on support structure with patterned thermal detection layer to get good thermal isolation between sensor elements[1]. Large area and wearable thermal imaging applications require cost effective fabrication, robustness and a flexible form factor. We present a 16×16 active...
conference paper 2019
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Mione, M.A. (author), Engeln, R. (author), Vandalon, V. (author), Kessels, W.M.M. (author), Roozeboom, F. (author)
Atmospheric-pressure Plasma-Enhanced spatial Atomic Layer Deposition (PE-s-ALD) is a high-throughput technique for synthesizing thin films at low temperatures for large area applications. The spatial separation of the ALD half-reactions and the use of an atmospheric pressure plasma as the reactant give rise to complex surface chemistry which is...
article 2019
document
Pérez-Gallent, E. (author), Figueiredo, M.C. (author), Koper, M.T.M. (author)
Efficient and selective electrosynthesis of propylene carbonate can be performed by the reaction of carbon dioxide with propylene oxide at copper electrodes. In this paper, we investigate this electrochemical reaction by using cyclic voltammetry, Fourier transform infrared spectroscopy and high-performance liquid chromatography in order to...
article 2019
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