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  • 1.
    Adomat, M
    et al.
    RISE., Swedish ICT, Acreo.
    Fonjallaz, P-Y
    Olofsson, F
    Step-wise tunability of a DBR laser with a superimposed fiber grating external cavity2000Ingår i: Proceedings of OFC 2000 - Optical Fiber Communication Conference, 196, (2000)., 2000, Vol. 1, s. 196-198Konferensbidrag (Refereegranskat)
    Abstract [en]

    A DBR laser is step-wise tunable thanks to a superimposed fiber grating external cavity. The stability against tuning current variations in the DBR is excellent. Single-mode operation is achieved with SMSR better than 30 dB.

  • 2. Afrasiabi, R.
    et al.
    Soderberg, L. M.
    Joensson, H. N.
    Björk, Per
    RISE., Swedish ICT, Acreo.
    Svahn, H. A.
    Linnros, J.
    Integration of a droplet-based microfluidic system and silicon nanoribbon FET sensor2016Ingår i: Micromachines, ISSN 2072-666X, E-ISSN 2072-666X, Vol. 7, nr 8, artikel-id 134Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    We present a novel microfluidic system that integrates droplet microfluidics with a silicon nanoribbon field-effect transistor (SiNR FET), and utilize this integrated system to sense differences in pH. The device allows for selective droplet transfer to a continuous water phase, actuated by dielectrophoresis, and subsequent detection of the pH level in the retrieved droplets by SiNR FETs on an electrical sensor chip. The integrated microfluidic system demonstrates a label-free detection method for droplet microfluidics, presenting an alternative to optical fluorescence detection. In this work, we were able to differentiate between droplet trains of one pH-unit difference. The pH-based detection method in our integrated system has the potential to be utilized in the detection of biochemical reactions that induce a pH-shift in the droplets.

  • 3.
    Ahlgren, Bengt
    et al.
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Hurtig, Per
    Karlstad University, Sweden.
    Abrahamsson, Henrik
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Grinnemo, Karl-Johan
    Karlstad University, Sweden.
    Brunstrom, Anna
    Karlstad University, Sweden.
    ICN congestion control for wireless links2018Konferensbidrag (Refereegranskat)
    Abstract [en]

    Information-centric networking (ICN) with its design around named-based forwarding and in-network caching holds great promises to become a key architecture for the future Internet. Many proposed ICN hop-by-hop congestion control schemes assume a fixed and known link capacity, which rarely - if ever - holds true for wireless links. Firstly, we demonstrate that although these congestion control schemes are able to fairly well utilise the available wireless link capacity, they greatly fail to keep the delay low. In fact, they essentially offer the same delay as in the case with no hop-by-hop, only end-to-end, congestion control. Secondly, we show that by complementing these schemes with an easy-to-implement, packet-train capacity estimator, we reduce the delay to a level significantly lower than what is obtained with only end-to-end congestion control, while still being able to keep the link utilisation at a high level.

  • 4. Ahniyaz, A
    et al.
    Seisenbaeva, GA
    Häggström, L
    Kamali, S
    Kessler, G
    Nordblad, P
    Johansson, C
    RISE., Swedish ICT, Acreo.
    Bergström, L
    Preparation of iron oxide nanocrystals by surfactant-free or oleic acid-assisted thermal decomposition of a Fe(III) alkoxide2008Ingår i: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 320, s. 781-87Artikel i tidskrift (Refereegranskat)
  • 5.
    Ahrentorp, F
    et al.
    RISE., Swedish ICT, Acreo.
    Astalan, A
    Blomgren, J
    RISE., Swedish ICT, Acreo.
    Jonasson, C
    Wetterskog, E
    Svedlindh, P
    Lak, A
    Ludwig, F
    van Ijzendoorn, LJ
    Westphal, F
    Gruttner, C
    Gehrke, N
    Gustafsson, S
    Olsson, E
    Johansson, C
    RISE., Swedish ICT, Acreo.
    Effective particle magnetic moment of multi-core particles2015Ingår i: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 380, s. 221-6Artikel i tidskrift (Refereegranskat)
  • 6.
    Ahrentorp, F
    et al.
    RISE., Swedish ICT, Acreo.
    Astalan, AP
    Jonasson, C
    Blomgren, J
    RISE., Swedish ICT, Acreo.
    Qi, B
    Thompson Mefford, O
    Yan, M
    Courtois, J
    Berret, JF
    Fresnais, J
    Sandre, O
    Dutz, S
    Muller, R
    Johansson, C
    RISE., Swedish ICT, Acreo.
    Sensitive High Frequency AC Suceptometry in Magnetic Nanoparticle Applications2010Ingår i: AIP Conference Proceedings, Vol. 1311, s. 213-23Artikel i tidskrift (Refereegranskat)
  • 7.
    Ahrentorp, Fredrik
    et al.
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Blomgren, Jacob
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Jonasson, Christian
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Sarwe, Anna
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Sepehri, Sobhan
    Chalmers University of Technology, Sweden.
    Eriksson, Emil
    Chalmers University of Technology, Sweden.
    Kalaboukhov, Alexei
    Chalmers University of Technology, Sweden.
    Jesorka, Aldo
    Chalmers University of Technology, Sweden.
    Winkler, Dag
    Chalmers University of Technology, Sweden.
    Schneiderman, Justin F.
    University of Gothenburg, Sweden.
    Nilsson, Mats
    Stockholm University, Sweden.
    Albert, Jan
    Karolinska University Hospital, Sweden ; Karolinska Institutet, Sweden.
    de la Torre, Theresa Z. G.
    Uppsala University, Sweden.
    Strømme, Maria
    Uppsala University, Sweden.
    Johansson, Christer
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Sensitive magnetic biodetection using magnetic multi-core nanoparticles and RCA coils2017Ingår i: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 427, s. 14-18Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    We use functionalized iron oxide magnetic multi-core particles of 100 nm in size (hydrodynamic particle diameter) and AC susceptometry (ACS) methods to measure the binding reactions between the magnetic nanoparticles (MNPs) and bio-analyte products produced from DNA segments using the rolling circle amplification (RCA) method. We use sensitive induction detection techniques in order to measure the ACS response. The DNA is amplified via RCA to generate RCA coils with a specific size that is dependent on the amplification time. After about 75 min of amplification we obtain an average RCA coil diameter of about 1 µm. We determine a theoretical limit of detection (LOD) in the range of 11 attomole (corresponding to an analyte concentration of 55 fM for a sample volume of 200 µL) from the ACS dynamic response after the MNPs have bound to the RCA coils and the measured ACS readout noise. We also discuss further possible improvements of the LOD.

  • 8.
    Ahrentorp, Fredrik
    et al.
    RISE., Swedish ICT, Acreo, Sensor Systems.
    Blomgrten, Jakob
    Coil comprising a winding comprising a multi-axial cable2011Patent (Övrig (populärvetenskap, debatt, mm))
  • 9. Aklint, T
    et al.
    Johansson, C
    RISE., Swedish ICT, Acreo.
    Hanson, M
    Olsson, E
    Gustavsson, F
    Wäppling, R
    A Rosen, A
    Magnetic Properties of deposited iron clusters produced in a high yield laser vaporization source1998Ingår i: Applied Organometallic Chemistry, Vol. 12, s. 479-Artikel i tidskrift (Refereegranskat)
  • 10. Al-Awis, S
    et al.
    Fattah, A
    Schatz, R
    Pang, Xiaodan
    RISE., Swedish ICT, Acreo.
    Ozolins, Oskars
    RISE., Swedish ICT, Acreo.
    Jacobsen, Gunnar
    RISE., Swedish ICT, Acreo.
    Popov, Sergei
    Chen, J
    Phenomenological Formula for Modelling of Physical Layer Impairments in Elastic Optical Networks2015Ingår i: From the sessionJoint Poster Session (ASu2A), 2015Konferensbidrag (Refereegranskat)
  • 11.
    Albert, J
    et al.
    RISE., Swedish ICT, Acreo.
    Fokine, M
    RISE., Swedish ICT, Acreo.
    Margulis, W
    RISE., Swedish ICT, Acreo.
    Grating formation in pure silica fiber2001Ingår i: Proceedings of BGPP 2001 - Bragg Gratings, photosensitivity, and Poling in Glass Fibers and Waveguides, BThC9, (2001). Stresa Italy. 4 July 2001., 2001, artikel-id BThC9Konferensbidrag (Refereegranskat)
  • 12. Albert, J
    et al.
    Fokine, M
    Margulis, W
    RISE., Swedish ICT, Acreo.
    Grating formation in pure silica-core fibers2002Ingår i: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 27, nr 10, s. 809-811Artikel i tidskrift (Refereegranskat)
  • 13.
    Alcusa-Saez, E. P.
    et al.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    Diez, A.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    Rivera-Perez, E.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    Margulis, Walter
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Norin, Lars
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Andres, M. V.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    All-fiber acousto-optic tunable filter in polyimide coated optical fibers2017Ingår i: International Conference on Transparent Optical Networks, 2017Konferensbidrag (Refereegranskat)
    Abstract [en]

    We present the experimental demonstration of in-fiber acousto-optic coupling in a polyimide-coated optical fiber. Although the presence of the polyimide coating increases is significantly the attenuation of the acoustic wave, we show that acousto-optic interaction can still be produced with reasonable efficiency. The effect of the polyimide coating on the acousto-optic interaction process is analyzed in detailed. Theoretical and experimental results are in good agreement. To our knowledge, this is the first experimental demonstration of acousto-optic coupling in optical fibers with robust protective coating.

  • 14.
    Alcusa-Sáez, E. P.
    et al.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    Díez, Antonio
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Burjassot, Spain.
    Rivera-Pérez, E.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    Margulis, Walter
    RISE - Research Institutes of Sweden, ICT, Acreo. KTH Royal Institute of Technology, Sweden.
    Norin, L.
    RISE - Research Institutes of Sweden, ICT, Acreo. KTH Royal Institute of Technology, Sweden.
    Andrés, M. V.
    Departamento de Física Aplicada y Electromagnetismo-ICMUV, Spain.
    Acousto-optic interaction in polyimide coated optical fibers with flexural waves2017Ingår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 25, nr 15, s. 17167-17173Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Acousto-optic coupling in polyimide-coated single-mode optical fibers using flexural elastic waves is demonstrated. The effect of the polyimide coating on the acousto-optic interaction process is analyzed in detailed. Theoretical and experimental results are in good agreement. Although the elastic attenuation is significant, we show that acousto-optic coupling can be produced with a reasonably good efficiency. To our knowledge, it is the first experimental demonstration of acousto-optic coupling in optical fibers with robust protective coating.

  • 15. Alleaume, PF
    et al.
    Aspemyr, L
    Gevorgian, S
    Houdbert,  JC
    Jacobsson, H
    Pettersson, L
    RISE., Swedish ICT, Acreo.
    Platt, D
    RISE., Swedish ICT, Acreo.
    Salter, M
    RISE., Swedish ICT, Acreo.
    Vorobie, A
    A Highly Integrated Heterogeneous Micro- and mm-wave Platform2010Ingår i: IEEE MTT 2010 International Microwave Symposium, 2010Konferensbidrag (Refereegranskat)
    Abstract [en]

    A highly integrated platform for micro- and mm-wave frequency applications is introduced. The platform utilizes heterogeneous process modules with integrated passive and tunable devices together with silicon and GaAs MMIC technology to achieve outstanding flexibility. The different process modules are accounted for and their feasibility is proven through a number of application demonstrators from 23 GHz telecom backhauling and 77 GHz automotive radar indicating excellent performance.

  • 16.
    Allison, R.S.
    et al.
    York University, Canada.
    Brunnstrom, Kjell
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Chandler, D.M.
    Shizuoka University, Japan.
    Colett, H.
    Intel Corp, US.
    Corriveau, P.
    Intel Corp, US.
    Daly, S.
    Dolby Laboratories Inc, US.
    Goel, J.
    Qualcomm Technologies, Inc, US.
    Long, J.Y.
    Intel Corp, US.
    Wilcox, L.M.
    York University, Canada.
    Yaacob, Y.
    Shizuoka University, Japan.
    Yang, S. N.
    Pacific University, US.
    Zhang, Y.
    Xi’an Jiaotong University, China.
    Perspectives on the definition of visually lossless quality for mobile and large format displays2018Ingår i: Journal of Electronic Imaging, Vol. 27, nr 5, artikel-id 053035Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Advances in imaging and display engineering have given rise to new and improved image and videoapplications that aim to maximize visual quality under given resource constraints (e.g., power, bandwidth).Because the human visual system is an imperfect sensor, the images/videos can be represented in a mathematicallylossy fashion but with enough fidelity that the losses are visually imperceptible—commonly termed“visually lossless.” Although a great deal of research has focused on gaining a better understanding ofthe limits of human vision when viewing natural images/video, a universally or even largely accepted definitionof visually lossless remains elusive. Differences in testing methodologies, research objectives, and targetapplications have led to multiple ad-hoc definitions that are often difficult to compare to or otherwise employ inother settings. We present a compendium of technical experiments relating to both vision science and visualquality testing that together explore the research and business perspectives of visually lossless image quality,as well as review recent scientific advances. Together, the studies presented in this paper suggest that a singledefinition of visually lossless quality might not be appropriate; rather, a better goal would be to establish varyinglevels of visually lossless quality that can be quantified in terms of the testing paradigm.

  • 17. Almeida, A F L
    et al.
    Fechine, P B A
    Sasaki, J M
    Ayala, A P
    Goes, J C
    Pontes, D L
    Margulis, W
    RISE., Swedish ICT, Acreo.
    Optical electrical properties of barium titanate hydroxyapatite composite screen-printed thick films2004Ingår i: Solid State Sciences, Vol. 6, nr 3, s. 267-78Artikel i tidskrift (Refereegranskat)
  • 18. Amin, G
    et al.
    Sandberg, M O
    RISE., Swedish ICT, Acreo.
     Zainelabdin, A
     Zaman, S
     Nur, O
    Willander, M
    Scale-up synthesis of ZnO nanorods for printing inexpensive ZnO/polymer white light-emitting diode2012Ingår i: Journal of Materials Science_x000D_, Vol. 47, s. 4726-31Artikel i tidskrift (Refereegranskat)
  • 19.
    Andersson Ersman, Peter
    RISE., Swedish ICT, Acreo, Printed electronics.
    Displays and Transistors Printed on Flexible Substrates and Integrated into Versatile Applications2012Ingår i: Large-Area, Organic and Printed Electronics Convention (LOPE-C) 2012 (June 19th-21st), accepted for oral presentation, Munich, Germany, 2012Konferensbidrag (Refereegranskat)
  • 20.
    Andersson Ersman, Peter
    RISE., Swedish ICT, Acreo, Printed electronics.
    Displays and Transistors Printed on Flexible Substrates and Integrated into Versatile Applications2012Ingår i: LOPE-C 2012 Conference Proceedings, 2012Konferensbidrag (Övrigt vetenskapligt)
  • 21.
    Andersson Ersman, Peter
    RISE., Swedish ICT, Acreo, Printed electronics.
    Electrolyte-gated transistors used in printed organic electronic applications2010Konferensbidrag (Refereegranskat)
  • 22.
    Andersson Ersman, Peter
    RISE., Swedish ICT, Acreo, Printed electronics.
    Roll to roll printable technology platform consisting of electrolyte-based components2011Konferensbidrag (Refereegranskat)
  • 23.
    Andersson Ersman, Peter
    et al.
    RISE., Swedish ICT, Acreo, Printed electronics.
    Kawahara, J
    Roll to roll printable technology platform consisting of electrolyte-based components2011Konferensbidrag (Refereegranskat)
  • 24.
    Andersson Ersman, Peter
    et al.
    RISE., Swedish ICT, Acreo.
    Kawahara, J
    Berggren, M
    Printed passive matrix addressed electrochromic displays2013Ingår i: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, nr 12, s. 3371-3378Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Flexible displays are attracting considerable attention as a visual interface for applications such as in electronic papers paper electronics. Passive or active matrix addressing of individual pixels require display elements that include proper signal addressability, which is typically provided by non-linear device characteristics or by incorporating transistors into each pixel. Including such additional devices into each pixel element make manufacturing of flexible displays using adequate printing techniques very hard complicated. Here, we report all-printed passive matrix addressed electrochromic displays (PMAD), built up from a very robust three-layer architecture, which can be manufactured using standard printing tools. Poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) serves as the conducting electrochromic pixel electrodes carbon paste is used as the pixel counter electrodes. These electrodes sandwich self-assembled layers of a polyelectrolyte that are confined to desired pixel areas via surface energy patterning. The particular choice of materials results in a desired current vs. voltage threshold that enables addressability in electronic cross-point matrices. The resulting PMAD operates at less than 3 V, exhibits high colour switch contrast without cross-talk promises for high-volume low-cost production of flexible displays using reel-to-reel printing tools on paper or plastic foils._x000D_

  • 25.
    Andersson Ersman, Peter
    et al.
    RISE., Swedish ICT, Acreo.
    Nilsson, D
    Kawahara, J
    Gustafsson, G
    RISE., Swedish ICT, Acreo.
    Berggren, M
    Fast-switching all-printed organic electrochemical transistors2013Ingår i: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, nr 5, s. 1276-80Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Symmetric fast (ˆ¼5 ms) on-to-off off-to-on drain current switching characteristics have been obtained in screen printed organic electrochemical transistors (OECTs) including PEDOT:PSS (poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonic acid)) as the active transistor channel material. Improvement of the drain current switching characteristics is made possible by including a carbon conductor layer on top of PEDOT:PSS at the drain electrode that is in direct contact with both the channel the electrolyte of the OECT. This carbon conductor layer suppresses the effects from a reduction front that is generated in these PEDOT:PSS-based OECTs. In the off-state of these devices this reduction front slowly migrate laterally into the PEDOT:PSS drain electrode, which make off-to-on switching slow. The OECT including carbon electrodes was manufactured using only standard printing process steps may pave the way for fully integrated organic electronic systems that operate at low voltages for applications such as logic circuits, sensors active matrix addressed displays._x000D_

  • 26.
    Andersson Ersman, Peter
    et al.
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Westerberg, David
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Tu, Deyu
    Linköping University, Sweden.
    Nilsson, Marie
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Åhlin, Jessica
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Eveborn, Annelie
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Lagerlöf, Axel
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Nilsson, David
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Sandberg, Mats
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Norberg, Petronella
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Berggren, Magnus
    Linköping University, Sweden.
    Forchheimer, Robert
    RISE - Research Institutes of Sweden, ICT, SICS.
    Gustafsson, Göran
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Screen printed digital circuits based on vertical organicelectrochemical transistors2017Ingår i: Flex. Print. Electron., Vol. 2, artikel-id 045008Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Vertical organic electrochemical transistors (OECTs) have been manufactured solely using screenprinting. The OECTs are based on PEDOT:PSS (poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonic acid)), which defines the active material for both the transistor channel and the gateelectrode. The resulting vertical OECT devices and circuits exhibit low-voltage operation, relativelyfast switching, small footprint and high manufacturing yield; the last three parameters are explainedby the reliance of the transistor configuration on a robust structure in which the electrolyte verticallybridges the bottom channel and the top gate electrode. Two different architectures of the verticalOECT have been manufactured, characterized and evaluated in parallel throughout this report. Inaddition to the experimental work, SPICE models enabling simulations of standalone OECTs andOECT-based circuits have been developed. Our findings may pave the way for fully integrated, lowvoltageoperating and printed signal processing systems integrated with e.g. printed batteries, solarcells, sensors and communication interfaces. Such technology can then serve a low-cost basetechnology for the internet of things, smart packaging and home diagnostics applications.

  • 27.
    Andersson, G
    et al.
    RISE., Swedish ICT, Acreo, Sensor Systems.
    Winkler, D
    Mikrosystem – möjligheternas teknik: Om klassificering, metoder och tillämpning2000Bok (Övrigt vetenskapligt)
    Abstract [sv]

    Mikrosystem är ett mycket expansivt område som erbjuder stora möjligheter till effektivisering och miniatyrisering av komplexa produkter. Nya unika egenskaper i samverkan med låga tillverkningskostnader har medfört att mikrosystemtekniken, MST, Microsystems Technology, erövrar såväl existerande produktområden som helt nya, t ex: bilar, flygplan medicinsk teknik, mindetektorer, rymdindustri m fl.

    Denna bok presenterar mikrosystemen och deras möjligheter. Den inleds med en unik marknadsöversikt där olika tillämpningsområdens utveckling och framtid diskuteras. En detaljrik framställning och klassificering av etablerade och kommande mikrosystem bildar en bred kunskapsbank för såväl specialister som oinvigda inom området. För konstruktörer som t ex vill öka sin kunskap om olika kategorier av sensorer förklaras begrepp och funktionsprinciper på ett utförligt sätt. Boken är även en lämplig introduktion till sensorer och mikromekanik på landets alla olika ingenjörsutbildningar.

  • 28.
    Andersson, GI
    RISE., Swedish ICT, Acreo, Sensor Systems.
    A novel 3-axis monolithic silicon accelerometer1995Ingår i: Digest of Techn. Papers, The 8th Int. Conf. on Solid-State Sensors and Actuators, Transducers ‘95/ Eurosensors IX), Volume II, pp. 558-561., 1995Konferensbidrag (Refereegranskat)
    Abstract [en]

    Working prototypes of a novel 3 axis monolithic silicon accelerometer have been manufactured at Chalmers University of Technology in co operation with Saab Combitech AB and the Department of Solid State Electronics. Experience from the prototypes is most encouraging as they have confirmed the theoretical predictions of negligible cross-axis sensitivity. The accuracy in the separation of an arbitrary directed acceleration into acceleration vectors in a Cartesian system of coordinates has shown to be high almost beyond expectation. The accelerometer has good potential to develop into a low cost 3 axis accelerometer in the 0 2 g range with a resolution of about 10 mg. This in part due to the simple manufacturing process.

  • 29. Andersson, J. A.
    et al.
    Arvidsson, A.
    Du, Manxing
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Zhang, Huiming
    RISE., Swedish ICT, Acreo.
    Kihl, M.
    Host, S.
    Lagerstedt, Chhristina
    RISE., Swedish ICT, Acreo.
    User profiling for pre-fetching or caching in a catch-up TV network2016Ingår i: IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB, 2016Konferensbidrag (Refereegranskat)
    Abstract [en]

    We investigate the potential of different pre-fetching and/or caching strategies for different user behaviour with respect to surfing or browsing in a catch-up-TV network. To this end we identify accounts and channels associated with strong or weak surfing or browsing respectively and study the distributions of hold times for the different types of behaviour. Finally we present results from a request prediction model and a caching simulation for the different types of behaviour and find that the results are relatively similar. © 2016 IEEE.

  • 30.
    Andersson, J Y
    et al.
    RISE., Swedish ICT, Viktoria.
    Höglund, L
    Noharet, B
    Wang, Q
    RISE., Swedish ICT, Acreo.
    Ericsson, P
    Wissmar, S
    Asplund, C
    Malm, H
    Martijn, H
    Hammar, M
    Gustafsson, O
    Hellström, S
    Radamson, H
    Holtz, PO
    Quantum structure based infrared detector research development within 874750’s centre of excellence IMAGIC2010Ingår i: Infrared physics & technology, ISSN 1350-4495, E-ISSN 1879-0275, Vol. 53, s. 227-30Artikel i tidskrift (Refereegranskat)
  • 31. Andersson, P
    et al.
    Forchheimer, R
    Tehrani, P
    Berggren, M
    RISE., Swedish ICT, Acreo.
    Printable All-Organic Electrochromic Active-Matrix Displays2007Ingår i: Advanced Functional Materials, ISSN 1616-301X, E-ISSN 1616-3028, Vol. 17, nr 16, s. 3074-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    All-organic active matrix addressed displays based on electrochemical smart pixels made on flexible substrates are reported. Each individual smart pixel device combines an electrochemical transistor with an electrochromic display cell, thus resulting in a low-voltage operating robust display technology. Poly(3,4-ethylenedioxythiophene) (PEDOT) doped with poly(styrenesulfonate) (PSS) served as the active material in the electrochemical smart pixels, as well as the conducting lines, of the monolithically integrated active-matrix display. Different active-matrix display addressing schemes have been investigated a matrix display fill factor of 65€‰% was reached. This is achieved by combining a three-terminal electrochemical transistor with an electrochromic display cell architecture, in which an additional layer of PEDOT:PSS was placed on top of the display cell counter electrode. In addition, we have evaluated different kinds of electrochromic polymer materials aiming at reaching a high color switch contrast. This work has been carried out in the light of achieving a robust display technology that is easily manufactured using a standard label printing press, which forced us to use the fewest different materials as well as avoiding exotic complex device architectures. Together, this yields a manufacturing process of only five discrete patterning steps, which in turn promise for that the active matrix addressed displays can be manufactured on paper or plastic substrates in a roll-to-roll production procedure._x000D_

  • 32. Andersson, P
    et al.
    Nilsson, D
    Svensson, P-O
    Chen, M
    Malmström, A
    RISE., Swedish ICT, Acreo.
    Remonen, T
    Kugler T, Berggren
    Active Matrix Displays Based on All-Organic Electrochemical Smart Pixels Printed on Paper2002Ingår i: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 14, nr 20, s. 1460-Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    An organic electronic paper display technology is presented. The electrochromic display cell together with the addressing electrochemical transistor form simple smart pixels that are included in matrix displays, which are achieved on coated cellulose-based paper using printing techniques. The ion-electronic technology presented offers an opportunity to extend existing use of ordinary paper._x000D_

  • 33. Andrén, B
    et al.
    Brunnstrom, Kjell
    RISE., Swedish ICT, Acreo.
    Wang, K
    Readability of displays in bright outdoor surroundings SID Symposium Digest of Technical Papers2014Ingår i: SID Display Week 2014, 2014, s. 1100-1103Konferensbidrag (Refereegranskat)
  • 34. Andrén, B
    et al.
    Wang, K
    Brunnstrom, Kjell
    RISE., Swedish ICT, Acreo.
    Characterizations of 3D TV: Active vs passive2012Konferensbidrag (Refereegranskat)
  • 35.
    Andrén, B
    et al.
    RISE., Swedish ICT, Acreo, Broadband Technology.
    Wang, K
    RISE., Swedish ICT, Acreo, Broadband Technology.
    Brunnström, K
    RISE., Swedish ICT, Acreo, Broadband Technology.
    Rydell, N
    Fuller, S
    A comparison of visual ergonomic measurements between active and passive 3DTV2011Ingår i: EURODISPLAY 2011, 2011Konferensbidrag (Refereegranskat)
  • 36. Araujo, L. F.
    et al.
    Etcheverry, S.
    da Costa, G. K. B.
    Pereira, J. M. B.
    Camara, A. R.
    de Matos, C. J. S.
    Margulis, Walter
    RISE., Swedish ICT, Acreo.
    Fontana, J.
    Carvalho, I. C. S.
    Photonics with special optical fibers and nanoparticles2016Ingår i: Optics InfoBase Conference Papers, 2016Konferensbidrag (Refereegranskat)
    Abstract [en]

    Optical properties of nanorods in the presence of external electric field when confined to a special optical fiber was investigated, showing an increase of the longitudinal absorption peak in the presence of the field.

  • 37.
    Arndt, Holger
    et al.
    Spring Techno GmbH & Co, Germany..
    Burkard, Stefan
    Spring Techno GmbH & Co, Germany..
    Talavera, Guillermo
    Universitat Autònoma de Barcelona, Spain.
    Garcia, Joan
    Universitat Autònoma de Barcelona, Spain.
    Castells, David
    Universitat Autònoma de Barcelona, Spain.
    Codina, Marc
    Universitat Autònoma de Barcelona, Spain.
    Hausdorff, Jeffrey
    Mirelman, Anat
    Tel Aviv Sourasky Medical Center, Israel.
    Harte, Richard
    National University of Ireland, Ireland.
    Casey, Monica
    National University of Ireland, Ireland.
    Glynn, Liam
    National University of Ireland, Ireland.
    Di Rosa, Mirko
    Istituto Nazionale Riposo e Cura per Anziani, Italy.
    Rossi, Lorena
    Istituto Nazionale Riposo e Cura per Anziani, Italy.
    Stara, Vera
    Istituto Nazionale Riposo e Cura per Anziani, Italy.
    Rösevall, John
    RISE - Research Institutes of Sweden, IKT, Acreo.
    Rusu, Cristina
    RISE - Research Institutes of Sweden, IKT, Acreo.
    Carenas, Carlos
    EURECAT, Spain.
    Breuil, Fanny
    EURECAT, Spain.
    Reixach, Elisenda
    EURECAT, Spain.
    Carrabina, Jordi
    Universitat Autònoma de Barcelona, Spain.
    Real-time constant monitoring of fall risk index by means of fully-wireless insoles2017Konferensbidrag (Refereegranskat)
    Abstract [en]

    Constant monitoring of gait in real life conditions is considered the best way to assess Fall Risk Index (FRI) since most falls happen out of the ideal conditions in which clinicians are currently analyzing the patient's behavior. This paper presents the WIISEL platform and results obtained through the use of the first full-wireless insole devices that can measure almost all gait related data directly on the feet (not in the upper part of the body as most existing wearable solutions). The platform consists of a complete tool-chain: insoles, smartphone & app, server & analysis tool, FRI estimation and user access. Results are obtained by combining parameters in a personalized way to build individual fall risk index assessed by experts with the help of data analytics. New FRI has been compared with standards that validate the quality of its prediction in a statistically significant way. That qualitatively relevant information is being provided to the platform users, being either end-users/patients, relatives or caregivers and the related clinicians to ideally assess about their long term evolution. © 2017 The authors and IOS Press.

  • 38. Arndt, S.
    et al.
    Brunnström, Kjell
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Cheng, E.
    Engelke, U.
    Moller, S.
    Antons, J. -N
    Review on using physiology in quality of experience2016Ingår i: Human Vision and Electronic Imaging 2016, HVEI 2016, 2016, s. 197-205Konferensbidrag (Refereegranskat)
    Abstract [en]

    In the area of Quality of Experience (QoE), one challenge is to design test methodologies in order to evaluate the perceived quality of multimedia content delivered through technical sys-tems. Traditionally, this evaluation is done using subjective opinion tests. However, sometimes it is difficult for observers to communicate the experienced quality through the given scale. Fur-thermore. those tests do not give insights into how the user is reacting on an internal physiological level. To overcome these issues, one approach is to use physiological measures, in order to derive a direct non-verbal response of the recipient. In this paper, we review studies that have been performed in the domain of QoE using physiological measures and we look into current activities in standardization bodies. We present challenges this research faces. and give an overview on what researchers should be aware of when they want to start working in this research area.

  • 39. Arvidsson, A
    et al.
    Du, M
    RISE., Swedish ICT, Acreo.
    Aurelius, A
    RISE., Swedish ICT, Acreo.
    Kihl, M
    Analysis of user demand patterns and locality for YouTube traffic2013Ingår i: In the Proceedings of the 25th International Teletraffic Congress (ITC), 2013Konferensbidrag (Refereegranskat)
  • 40. Aspholm-Hurtig, M
    et al.
    Dailide, G
    Lahmann, M
    Kalia, A
    Ilver, D
    RISE., Swedish ICT, Acreo.
    Roche, N
    Vikström, S
    Sjöström, R
    Linden, S
    Bckström, A
    Lundberg, C
    Arnqvist, A
    Mahdavi, J
    Nilsson, UJ
    Velapatino, B
    Gilman, RH
    Gerhard, M
    Alarcon, T
    Lopez-Brea, M
    Nakazawa, T
    Fox, JG
    Correa, P
    Functional adaptation of BabA, the H. pylori ABO blood group antigen binding adhesin.2004Ingår i: Science., Vol. 305, nr 5683, s. 519-22Artikel i tidskrift (Refereegranskat)
  • 41. Aurelius, A
    et al.
    Berntson, A
    RISE., Swedish ICT, Acreo.
    Djupsjöbacka, A
    RISE., Swedish ICT, Acreo.
    Jacobsen, G
    RISE., Swedish ICT, Acreo.
    New Method for Measuring Probablility Density Function of Modulated Optical Signals, demonstrated on EDFA SOA2006Ingår i: Journal of optical communications, ISSN 0173-4911, E-ISSN 2191-6322, Vol. 27, nr 3, s. 168-71Artikel i tidskrift (Refereegranskat)
  • 42.
    Aurelius, A
    et al.
    RISE., Swedish ICT, Acreo, Broadband Technology.
    Lagerstedt, C
    RISE., Swedish ICT, Acreo, Broadband Technology.
    IP traffic measurements in access networks2009Ingår i: Internetdagarna 2009 (Presentation), 2009Konferensbidrag (Övrigt vetenskapligt)
  • 43.
    Bakowski, M
    et al.
    RISE., Swedish ICT, Acreo.
    Lim, J-K
    RISE., Swedish ICT, Acreo.
    Kaplan, W
    Merits of Buried Grid Technology for SiC JBS Diodes2012Ingår i: ECS Transactions, ISSN 1938-5862, E-ISSN 1938-6737, Vol. 50, nr 3, s. 415-424Artikel i tidskrift (Refereegranskat)
  • 44.
    Bakowski, M
    et al.
    RISE, Swedish ICT, Acreo.
    Lim, J.-K
    RISE, Swedish ICT, Acreo.
    Kaplan, W.
    RISE, Swedish ICT, Acreo.
    Schöner, A.
    RISE, Swedish ICT, Acreo.
    Merits of buried grid technology for advanced SiC device concepts2011Ingår i: ECS Transactions, ISSN 1938-5862, E-ISSN 1938-6737, Vol. 41, nr 8, s. 155-162Artikel i tidskrift (Refereegranskat)
  • 45.
    Bakowski, M
    et al.
    RISE., Swedish ICT, Acreo.
    Lim, J-K
    RISE., Swedish ICT, Acreo.
    Kaplan, W
    Schöner, A
    Merits of buried grid technology for advanced SiC device concepts2011Ingår i: ECS Transactions, ISSN 1938-5862, E-ISSN 1938-6737, Vol. 41, nr 8, s. 155-62Artikel i tidskrift (Refereegranskat)
  • 46.
    Bakowski, M
    et al.
    RISE., Swedish ICT, Acreo.
    Schöner, A
    Petermann, I
    RISE., Swedish ICT, Acreo.
    Savage, S
    Silicon carbide APD with improved detection sensitivity stability2010Ingår i: Materials Science Forum, ISSN 0255-5476, E-ISSN 1662-9752, Vol. 645-648, s. 1089-Artikel i tidskrift (Refereegranskat)
  • 47.
    Bakowski, Mietek
    et al.
    RISE., Swedish ICT, Acreo.
    Lim, Jang-Kwon
    RISE., Swedish ICT, Acreo.
    Kaplan, Wlodek
    RISE., Swedish ICT, Acreo.
    Merits of Buried Grid Technology for SiC JBS Diodes2012Ingår i: GALLIUM NITRIDE AND SILICON CARBIDE POWER TECHNOLOGIES 2, 2012, s. 415-424Konferensbidrag (Refereegranskat)
    Abstract [en]

    The SiC Schottky barrier diodes for 200 degrees C to 250 degrees C operation have been developed using buried grid (BG) technology. 2A and 10A, 1700V BG JBS diodes have been fabricated and evaluated. Manufactured 10A, 1700V BG JBS diodes have leakage current at least three orders of magnitude lower compared to the typical data sheet values of the commercial devices. The leakage current at 250 degrees C is of the same order of magnitude as that of the commercial devices at 175 degrees C. The two alternative technologies for realization of BG, implantation and epitaxy, have been compared by simulations. The epitaxial grid is shown to have superior potential for best trade-off between on-state voltage and leakage current.

  • 48.
    Bakowski, Mietek
    et al.
    RISE., Swedish ICT, Acreo.
    LIm, Jang-Kwon
    RISE., Swedish ICT, Acreo.
    Kaplan, Wlodek
    RISE., Swedish ICT, Acreo.
    Schöner, Adolf
    RISE., Swedish ICT, Acreo.
    Merits of Buried Grid Technology for Advanced SiC Device Concepts2011Ingår i: ECS Transactions, ISSN 1938-5862, E-ISSN 1938-6737, Vol. 41, nr 8, s. 155-162Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Some chosen examples of the use of buried grid technology for advanced SiC devices are discussed. First example is development of normally-off and normally-on JFETs. Second is the development of Schottky diodes for high temperature operation. Other examples are efficient junction termination and avalanche UV detector. Experimental results are used in support of simulations.

  • 49. Barkowsky, M
    et al.
    Masala, E
    Van Wallendael, G
    Brunnström, K
    RISE., Swedish ICT, Acreo.
    Staelens, N
    Le Callet, P
    Objective Video Quality Assessment - Towards large scale video database enhanced model development2015Ingår i: IEICE transactions on communications, ISSN 0916-8516, E-ISSN 1745-1345, Vol. e98.b, nr 1, s. p2-11Artikel i tidskrift (Refereegranskat)
  • 50. Barkowsky, M
    et al.
    Sedano, I
    Brunnström, K
    RISE., Swedish ICT, Acreo.
    Leszczuk, M
    Staelens, N
    Hybrid video quality prediction: Re-viewing video quality meausurement for widening application scope2014Ingår i: Multimedia tools and applications, ISSN 1380-7501, E-ISSN 1573-7721, Vol. 74, nr 2, s. 323-Artikel i tidskrift (Refereegranskat)
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