Karen Birkelund

Technical University of Denmark — Denmark

Engineering · Physical Sciences

16h-index923citations40works1.02yr avg
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Research Topics

Advanced Sensor and Energy Harvesting Materials(8), Innovative Energy Harvesting Technologies(7), Analytical Chemistry and Sensors(7), Force Microscopy Techniques and Applications(6), Advanced MEMS and NEMS Technologies(5)

Publications40 total

High-resolution hexagonal array patterns fabricated by dipole cross-exposure in deep ultraviolet lithography
Journal of Micro/Nanopatterning Materials and Metrology·2025· 1 cited
Efficient fabrication of micro- and nano-systems
Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)·2014
Fabrication and characterization of MEMS-based PZT/PZT bimorph thick film vibration energy harvesters
Journal of Micromechanics and Microengineering·2012· 43 citedOpen Access
Screen printed PZT/PZT thick film bimorph MEMS cantilever device for vibration energy harvesting
Sensors and Actuators A Physical·2011· 89 cited
An Electronic Patch for Wearable Health Monitoring by Reflectance Pulse Oximetry
IEEE Transactions on Biomedical Circuits and Systems·2011· 97 cited
Enhanced polymeric encapsulation for MEMS based multi sensors for fisheries research
Sensors and Actuators A Physical·2011· 12 citedOpen Access
Screen printed PZT/PZT thick film bimorph MEMS cantilever device for vibration energy harvesting
2011· 5 cited
Miniaturized multi-sensor for aquatic studies
Measurement Science and Technology·2011· 9 cited
Mems-based pzt/pzt bimorph thick film vibration energy harvester
Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)·2011· 2 citedOpen Access
Homogeneity analysis of high yield manufacturing process of mems-based pzt thick film vibrational energy harvesters
Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)·2011Open Access
MEMS-based thick film PZT vibrational energy harvester
2011· 64 cited
MEMS climate sensor for crops in greenhouses
Journal of Micromechanics and Microengineering·2010· 1 cited
High quantum efficiency annular backside silicon photodiodes for reflectance pulse oximetry in wearable wireless body sensors
Journal of Micromechanics and Microengineering·2010· 12 cited
A Ring-Shaped Photodiode Designed for Use in a Reflectance Pulse Oximetry Sensor in Wireless Health Monitoring Applications
IEEE Sensors Journal·2010· 44 cited
Developing the Wearable Telehealth System “Electronic Patch” in an Academic and Industrial Partnership
Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)·2010
Autonomous multi-sensor micro-system for measurement of ocean water salinity
Sensors and Actuators A Physical·2008· 56 cited
Mikrochips giver bedre udnyttelse af fiskeressourcer
2008
Packaged multi sensor system for fisheries research: New Test methods of package
Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)·2008
A Novel Photodiode for Reflectance Pulse Oximetry in low-power applications
Conference proceedings·2007· 10 cited
Realtime 3D Stress Measurement in Curing Epoxy Packaging
TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference·2007· 3 cited
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Frequent Co-authors

Erik Vilain Thomsen(23), Ole Hansen(12), Rasmus G. Haahr(7), Sune Duun(7), F. Grey(7), Anders Lei(6), K. Hansen(6), Anders Hyldgård(6), M. Guizzetti(5), Matthias Müllenborn(4), Ruijuan Xu(3), Christian Dahl‐Petersen(3), Francesc Pérez‐Murano(3), John A. Dagata(3), Anja Boisen(3), S. Madsen(2), Thomas L. Christiansen(2), Steen Hjelm Madsen(2), Lars Nørgaard(2), Palle Raahauge(2)