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Rutsch, Matthias ; Unger, Alexander ; Allevato, Gianni ; Hinrichs, Jan ; Jäger, Axel ; Kaindl, Thomas ; Kupnik, Mario (2021)
Waveguide for air-coupled ultrasonic phased-arrays with propagation time compensation and plug-in assembly.
In: The Journal of the Acoustical Society of America, 150 (5)
doi: 10.1121/10.0006969
Article, Bibliographie
Unger, Alexander (2019)
Air Coupled Ultrasonic Transducers for Industrial Applications.
Technische Universität Darmstadt
Ph.D. Thesis, Primary publication
Jager, Axel ; Grobkurth, Dominik ; Rutsch, Matthias ; Unger, Alexander ; Golinske, Rene ; Wang, Han ; Dixon, Steve ; Hofmann, Klaus ; Kupnik, Mario (2017)
Air-coupled 40-kHz ultrasonic 2D-phased array based on a 3D-printed waveguide structure.
IEEE International Ultrasonics Symposium (IUS 2017). Washington D.C., USA (06.-09.09.)
doi: 10.1109/ULTSYM.2017.8091892
Conference or Workshop Item, Bibliographie
Schwiewer, Freya ; Wang, Han ; Unger, Alexander ; Stefanova, Nataliya ; Kupnik, Mario (2016)
SINGLE-TRANSDUCER ACOUSTIC LEVITATOR WITH EQUIDISTANT VERTICAL POSITIONING CAPABILITY.
IEEE IUS 2016. Tours, France (18.09.2016 - 21.09.2016)
Conference or Workshop Item, Bibliographie
Burrows, Susan ; Ramadas, Nishal ; Eriksson, Tobias ; Kang, Lei ; Unger, Alexander ; Kupnik, Mario ; Dixon, Steve (2016)
High temperature flexural ultrasonic transducer for non-contact measurement applications.
IEEE ISAF 2016. Darmstadt, Germany (21.09.2016-25.09.2016)
Conference or Workshop Item, Bibliographie
Hatzfeld, Christian ; Schröder, Christian ; Unger, Alexander ; Morar, Olivia ; Klemm, Torsten ; Kupnik, Mario ; Werthschützky, Roland (2015)
Flow Sensor for Field Measurement of Viscous Liquid Usage for Consumer Studies.
IEEE Sensors Conference. Busan, Korea (Nov 1-4, 2015)
Conference or Workshop Item, Bibliographie
Hatzfeld, Christian ; Schröder, Christian ; Unger, Alexander ; Morar, Olivia ; Klemm, Torsten ; Kupnik, Mario ; Werthschützky, Roland (2015)
Flow Sensor for Field Measurement of Viscous Liquid Usage for Consumer Studies.
IEEE Sensors 2015. Busan, Südkorea (01.11.2015 - 04.11.2015)
Conference or Workshop Item, Bibliographie
Unger, Alexander ; Konetzke, Eric ; Rutsch, Matthias ; Hoffmann, Maik ; Ramadas, Nishal ; Dixon, Steve ; Kupnik, Mario (2015)
Versatile Air-Coupled Phased Array Transducer For Sensor Applications.
IEEE SENSORS 2015. Busan, Südkorea (01.11.2015-04.11.2015)
Conference or Workshop Item, Bibliographie
Golinske, René ; Hoffmann, Maik ; Konetzke, Eric ; Unger, Alexander ; Rutsch, Matthias ; Kupnik, Mario (2015)
Diffraction loss calculation based on boundary element method for an air-coupled phased array.
IEEE IUS 2015. Taipei, Taiwan (21.10.2015-24.10.2015)
Conference or Workshop Item, Bibliographie
Hoffmann, Maik ; Unger, Alexander ; Jäger, Axel ; Kupnik, Mario (2015)
Effect of transducer port cavities in invasive ultrasonic transit-time gas flow meters.
IEEE IUS 2015. Taipei, Taiwan (21.10.2015-24.10.2015)
Conference or Workshop Item, Bibliographie
Rutsch, Matthias ; Konetzke, Eric ; Unger, Alexander ; Hoffmann, Maik ; Ramadas, Nishal ; Dixon, Steve ; Kupnik, Mario (2015)
Extending the receive performance of phased micromachined ultrasonic transducer arrays in air down to 40 kHz and below.
IEEE IUS 2015. Taipei, Taiwan (21.10.2015-24.10.2015)
Conference or Workshop Item, Bibliographie
Eriksson, Tobias ; Ramadas, Nishal ; Unger, Alexander ; Hoffmann, Maik ; Kupnik, Mario ; Dixon, Steve (2015)
Flexural Transducer Arrays for Industrial Non-Contact Applications.
IEEE IUS 2015. Taipei, Taiwan (21.10.2015-24.10.2015)
Conference or Workshop Item, Bibliographie
Konetzke, Eric ; Rutsch, Matthias ; Hoffmann, Maik ; Unger, Alexander ; Golinske, René ; Killat, Dirk ; Ramadas, Nishal ; Dixon, Steve ; Kupnik, Mario (2015)
Phased array transducer for emitting 40-kHz air-coupled ultrasound without grating lobes.
IEEE IUS 2015. Taipei, Taiwan (21.10.2015-24.10.2015)
Conference or Workshop Item, Bibliographie
Guseva, Anastasia ; Hoffmann, Maik ; Unger, Alexander ; Zulk, Silvia ; El Amien, Mohamed Balla ; Sarradj, Ennes ; Kupnik, Mario (2015)
Ultrasonic transducer characterization in air based on an indirect acoustic radiation pressure measurement.
IEEE IUS 2015. Taipei, Taiwan (21.10.2015-24.10.2015)
Conference or Workshop Item, Bibliographie
Ho, Min-Chieh ; Hoffmann, Maik ; Unger, Alexander ; Kwan Kyu, Park ; Kupnik, Mario ; Kuhri-Yakup, Butrus T. (2015)
CMUTS in permanent contact operation for high output pressure.
ASME 2015, InterPACKICNMM. San Francsico, CA, USA (July 6-9, 2015)
Conference or Workshop Item, Bibliographie
Unger, Alexander (2009)
Zur Hybridisierung der Lernkultur in der Wissensgesellschaft : virtuelle Lernumgebungen und die neue Kultur des Lernens.
Technische Universität Darmstadt
Ph.D. Thesis, Bibliographie
eds.: Heil, Reinhard ; Kaminski, Andreas ; Stippak, Marcus ; Unger, Alexander ; Ziegler, Marc (2007)
Tensions and convergences : technological and aesthetic transformations of society.
Book, Bibliographie