Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Thorsten Giese"'
Autor:
Jana Marie Meyer, Viktor Schell, Jingxiang Su, Simon Fichtner, Erdem Yarar, Florian Niekiel, Thorsten Giese, Anne Kittmann, Lars Thormählen, Vadim Lebedev, Stefan Moench, Agnė Žukauskaitė, Eckhard Quandt, Fabian Lofink
Publikováno v:
Sensors, Vol 21, Iss 24, p 8166 (2021)
In this work, the first surface acoustic-wave-based magnetic field sensor using thin-film AlScN as piezoelectric material deposited on a silicon substrate is presented. The fabrication is based on standard semiconductor technology. The acoustically a
Externí odkaz:
https://doaj.org/article/bae81e058a124b4c8a34598e6b129b96
Publikováno v:
Proceedings, Vol 1, Iss 4, p 561 (2017)
This paper reports piezoelectrically driven and sensed micromirrors achieving extremely large total optical scan angle of 106° and high frequency of 45 kHz at 22 V. To reach such large angles, extensive FEM-simulations relating to fracture strength
Externí odkaz:
https://doaj.org/article/8401851a8c0c486fb606ebbed3642385
Publikováno v:
Micromachines, Vol 8, Iss 7, p 215 (2017)
This article presents design, fabrication and characterization of lead zirconate titanate (PZT)-actuated micromirrors, which enable extremely large scan angle of up to 106° and high frequency of 45 kHz simultaneously. Besides the high driving torque
Externí odkaz:
https://doaj.org/article/5fffb169fd0b492eb9c5104d78df00d3
Autor:
Stefan Moench, Jana Marie Meyer, Agne Zukauskaite, Vadim Lebedev, Simon Fichtner, Jingxiang Su, Florian Niekiel, Thorsten Giese, Lars Thormahlen, Eckhard Quandt, Fabian Lofink
This letter uses a surface acoustic wave magnetic field sensor for measurement and closed-loop current control of the inductor current in a GaN-based dc-dc power converter. The sensor is based on aluminium scandium nitride thin films with relatively
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c9564186705e22f2e6a7ac1f86e12d2
https://publica.fraunhofer.de/handle/publica/427539
https://publica.fraunhofer.de/handle/publica/427539
Autor:
Leon Pohl, Ulrich Hofmann, Jan Przytarski, Stephan Marauska, Jörg Albers, Frank Senger, Lars Ratzmann, Fabian Schwarz, Oleg Petrak, Marcel Reher, Thorsten Giese, Thomas von Wantoch, Peter Blicharski, Christian Janicke
Publikováno v:
Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) II.
Presented is a high-resolution AR micro display based on Laser Beam Scanning (LBS) applying a two-dimensional resonantly operated vacuum packaged MEMS mirror with large mirror diameter, high scan frequencies, high Q-factor and large field-of-view (Fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecffcd06f382d52937fe690b4f88cca9
https://doi.org/10.1117/12.2579695
https://doi.org/10.1117/12.2579695
Autor:
Shanshan Gu-Stoppel, T. von Wantoch, Frank Senger, Gundula Piechotta, Felix Heinrich, Jörg Albers, Ulrich G. Hofmann, Thorsten Giese
Publikováno v:
MOEMS and Miniaturized Systems XIX.
This paper presents a 2D MEMS mirror for smart headlights, combing high-Q vacuum package with AR (Anti Reflecting)-coating, piezoelectric driving and Lissajous scanning. While the vacuum package protects the MEMS device and the AR-coating suppresses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f92ac05e8c10b632d63cf1afaae33163
https://doi.org/10.1117/12.2542802
https://doi.org/10.1117/12.2542802
Autor:
Florian Niekiel, Fabian Stoppel, Andreas Männchen, Daniel Beer, Bernhard Wagner, Thorsten Giese
Publikováno v:
2018 IEEE Micro Electro Mechanical Systems (MEMS).
This paper reports the concept, fabrication and characterization of a new kind of MEMS loudspeaker for in-ear applications. The piezoelectrically driven device is designed to operate without a closed membrane, which significantly improves the acousti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea999522cb3164eccd918f08628592d6
https://doi.org/10.1109/memsys.2018.8346744
https://doi.org/10.1109/memsys.2018.8346744
Publikováno v:
Micromachines, Vol 8, Iss 7, p 215 (2017)
Micromachines
Micromachines; Volume 8; Issue 7; Pages: 215
Micromachines
Micromachines; Volume 8; Issue 7; Pages: 215
This article presents design, fabrication and characterization of lead zirconate titanate (PZT)-actuated micromirrors, which enable extremely large scan angle of up to 106° and high frequency of 45 kHz simultaneously. Besides the high driving torque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1616262a7b420a28295d2497535d5716
https://www.mdpi.com/2072-666X/8/7/215
https://www.mdpi.com/2072-666X/8/7/215
Autor:
C. Eisermann, Shanshan Gu-Stoppel, Fabian Stoppel, Bernhard Wagner, Thorsten Giese, Dirk Kaden
Publikováno v:
2017 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS).
In this paper a novel type of piezoelectric MEMS loudspeaker is presented. The device concept is based on concentrically cascaded PZT actuators making it the first two-way MEMS speaker reported. As a further novelty, the device is designed to operate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c2606979ba70ba28dee339107e843bc
https://doi.org/10.1109/transducers.2017.7994475
https://doi.org/10.1109/transducers.2017.7994475
Autor:
Thorsten Giese, Joachim Janes
Publikováno v:
SPIE Proceedings.
2D-MEMS scanners for the deflection of Laser light in two directions are used to illuminate a measurement volume within 40° in horizontal and vertical direction. This solid angle of about 0.02 is scanned by a 658nm Laser beam with a maximum repetiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cd391ce8928d50bd5f4c0864f6ce5cc
https://doi.org/10.1117/12.2175855
https://doi.org/10.1117/12.2175855