CMUT-based resonant gas sensor array for VOC detection with low operating voltage S Park, I Yoon, S Lee, H Kim, JW Seo, Y Chung, A Unger, M Kupnik, ... Sensors and Actuators B: Chemical 273, 1556-1563, 2018 | 63 | 2018 |
Air-coupled 40-kHz ultrasonic 2D-phased array based on a 3D-printed waveguide structure A Jäger, D Großkurth, M Rutsch, A Unger, R Golinske, H Wang, S Dixon, ... 2017 IEEE International Ultrasonics Symposium (IUS), 1-4, 2017 | 37 | 2017 |
Phased array transducer for emitting 40-kHz air-coupled ultrasound without grating lobes E Konetzke, M Rutsch, M Hoffmann, A Unger, R Golinske, D Killat, ... 2015 IEEE International Ultrasonics Symposium (IUS), 1-4, 2015 | 24 | 2015 |
Volumetric characterization of ultrasonic transducers for gas flow metering M Hoffmann, A Unger, MC Ho, KK Park, BT Khuri-Yakub, M Kupnik 2013 IEEE International Ultrasonics Symposium (IUS), 1315-1318, 2013 | 15 | 2013 |
Flow metering of gases using ultrasonic phased-arrays at high velocities C Haugwitz, A Jäger, G Allevato, J Hinrichs, A Unger, S Saul, J Brötz, ... 2019 IEEE International Ultrasonics Symposium (IUS), 1129-1132, 2019 | 14 | 2019 |
Versatile air-coupled phased array transducer for sensor applications A Unger, E Konetzke, M Rutsch, M Hoffmann, SN Ramadas, S Dixon, ... 2015 IEEE SENSORS, 1-4, 2015 | 14 | 2015 |
Waveguide for air-coupled ultrasonic phased-arrays with propagation time compensation and plug-in assembly M Rutsch, A Unger, G Allevato, J Hinrichs, A Jäger, T Kaindl, M Kupnik The Journal of the Acoustical Society of America 150 (5), 3228-3237, 2021 | 13 | 2021 |
Extending the receive performance of phased ultrasonic transducer arrays in air down to 40 kHz and below M Rutsch, E Konetzke, A Unger, M Hoffmann, SN Ramadas, S Dixon, ... 2015 IEEE International Ultrasonics Symposium (IUS), 1-4, 2015 | 13 | 2015 |
Ultrasonic phased array for sound drift compensation in gas flow metering A Jäger, A Unger, H Wang, Y Arnaudov, L Kang, R Su, D Lines, ... 2017 IEEE International Ultrasonics Symposium (IUS), 1-4, 2017 | 12 | 2017 |
Flexural transducer arrays for industrial non-contact applications TJR Eriksson, SN Ramadas, A Unger, M Hoffman, M Kupnik, SM Dixon 2015 IEEE International Ultrasonics Symposium (IUS), 1-4, 2015 | 7 | 2015 |
Diffraction loss calculation based on boundary element method for an air-coupled phased array R Golinske, M Hoffmann, E Konetzke, A Unger, M Rutsch, M Kupnik 2015 IEEE International Ultrasonics Symposium (IUS), 1-4, 2015 | 7 | 2015 |
Wave propagation in an acoustic waveguide for ultrasonic phased arrays M Rutsch, A Jäger, A Unger, T Kaindl, M Kupnik 2019 IEEE International Ultrasonics Symposium (IUS), 796-799, 2019 | 6 | 2019 |
High temperature flexural ultrasonic transducer for non-contact measurement applications SE Burrows, SN Ramadas, TJR Eriksson, L Kang, SM Dixon, A Unger, ... 2016 Joint IEEE International Symposium on the Applications of …, 2016 | 6 | 2016 |
Effect of transducer port cavities in invasive ultrasonic transit-time gas flowmeters M Hoffmann, A Unger, A Jäger, M Kupnik 2015 IEEE International Ultrasonics Symposium (IUS), 1-4, 2015 | 5 | 2015 |
Air Coupled Ultrasonic Transducers for Industrial Applications A Unger Dissertation, Darmstadt, Technische Universität Darmstadt, 2019, 2019 | 4 | 2019 |
Finite element analysis of mechanically amplified CMUTs A Unger, M Hoffmann, MC Ho, KK Park, BT Khuri-Yakub, M Kupnik 2013 IEEE International Ultrasonics Symposium (IUS), 287-290, 2013 | 4 | 2013 |
Single-transducer acoustic levitator with equidistant vertical positioning capability F Schiewer, H Wang, A Unger, N Stefanova, M Kupnik 2016 IEEE International Ultrasonics Symposium (IUS), 1-4, 2016 | 2 | 2016 |
Schallwandlerarray mit gekoppelten Wandlern M Klemm, L Elsäßer, A Unamuno-Eguren, M Kupnik, A Unger | 2 | 2016 |
Ultrasonic transducer characterization in air based on an indirect acoustic radiation pressure measurement A Guseva, M Hoffmann, A Unger, S Zulk, MB El Amien, E Sarradj, ... 2015 IEEE International Ultrasonics Symposium (IUS), 1-4, 2015 | 2 | 2015 |
Flow sensor for field measurement of viscous liquid usage for consumer studies C Hatzfeld, C Schröder, A Unger, O Morar, T Klemm, M Kupnik, ... 2015 IEEE SENSORS, 1-4, 2015 | 1 | 2015 |