A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors

We demonstrate an experimental assessment of a high-Q, high-angle piezoelectric (2 µm PZT) MEMS scanning micromirror featuring distributed backside reinforcement, suitable for applications demanding energy-efficient and high-quality image projection. Frequency response measurements at 10 different v...

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Main Authors: Clement Fleury, Markus Bainschab, Gianluca Mendicino, Roberto Carminati, Pooja Thakkar, Dominik Holzmann, Sara Guerreiro, Adrien Piot
Format: Article
Language:English
Published: MDPI AG 2024-04-01
Series:Proceedings
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Online Access:https://www.mdpi.com/2504-3900/97/1/144
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author Clement Fleury
Markus Bainschab
Gianluca Mendicino
Roberto Carminati
Pooja Thakkar
Dominik Holzmann
Sara Guerreiro
Adrien Piot
author_facet Clement Fleury
Markus Bainschab
Gianluca Mendicino
Roberto Carminati
Pooja Thakkar
Dominik Holzmann
Sara Guerreiro
Adrien Piot
author_sort Clement Fleury
collection DOAJ
description We demonstrate an experimental assessment of a high-Q, high-angle piezoelectric (2 µm PZT) MEMS scanning micromirror featuring distributed backside reinforcement, suitable for applications demanding energy-efficient and high-quality image projection. Frequency response measurements at 10 different vacuum levels ranging from atmospheric pressure to 10<sup>−6</sup> mbar allow for the quantitative separation of damping mechanisms (air and structural). Stroboscopic digital holographic microscopy was used to assess the static and dynamic deformation of the mirror surface. The experimental results are in good agreement with simulations and models.
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publishDate 2024-04-01
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spelling doaj-art-07eca75a1c0c4e399f708cc0898eb0402025-08-20T02:56:54ZengMDPI AGProceedings2504-39002024-04-0197114410.3390/proceedings2024097144A Comprehensive Characterization Procedure for Resonant MEMS Scanning MirrorsClement Fleury0Markus Bainschab1Gianluca Mendicino2Roberto Carminati3Pooja Thakkar4Dominik Holzmann5Sara Guerreiro6Adrien Piot7Silicon Austria Labs GmbH, Sandgasse 34, 8010 Graz, AustriaSilicon Austria Labs GmbH, Sandgasse 34, 8010 Graz, AustriaSTMicroelectronics, Via Paracelso, 20, 20864 Agrate Brianza, MB, ItalySTMicroelectronics, Via Paracelso, 20, 20864 Agrate Brianza, MB, ItalySilicon Austria Labs GmbH, Sandgasse 34, 8010 Graz, AustriaSilicon Austria Labs GmbH, Sandgasse 34, 8010 Graz, AustriaSilicon Austria Labs GmbH, Sandgasse 34, 8010 Graz, AustriaSilicon Austria Labs GmbH, Sandgasse 34, 8010 Graz, AustriaWe demonstrate an experimental assessment of a high-Q, high-angle piezoelectric (2 µm PZT) MEMS scanning micromirror featuring distributed backside reinforcement, suitable for applications demanding energy-efficient and high-quality image projection. Frequency response measurements at 10 different vacuum levels ranging from atmospheric pressure to 10<sup>−6</sup> mbar allow for the quantitative separation of damping mechanisms (air and structural). Stroboscopic digital holographic microscopy was used to assess the static and dynamic deformation of the mirror surface. The experimental results are in good agreement with simulations and models.https://www.mdpi.com/2504-3900/97/1/144MEMSscanning micromirrorair dampingdynamic deformation
spellingShingle Clement Fleury
Markus Bainschab
Gianluca Mendicino
Roberto Carminati
Pooja Thakkar
Dominik Holzmann
Sara Guerreiro
Adrien Piot
A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors
Proceedings
MEMS
scanning micromirror
air damping
dynamic deformation
title A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors
title_full A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors
title_fullStr A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors
title_full_unstemmed A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors
title_short A Comprehensive Characterization Procedure for Resonant MEMS Scanning Mirrors
title_sort comprehensive characterization procedure for resonant mems scanning mirrors
topic MEMS
scanning micromirror
air damping
dynamic deformation
url https://www.mdpi.com/2504-3900/97/1/144
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