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Calibration-free non-contact measurement of nano-amplitudes of MHz vibrations

Title data

Gollwitzer, Andreas ; Fischerauer, Gerhard:
Calibration-free non-contact measurement of nano-amplitudes of MHz vibrations.
In: Djamal, Mitra , Laboratory of Electronics and Instrumentation, Department of Physics ITB (ed.): Proceedings of the International Conference on Instrumentation, Communication, and Information Technology (ICICI 2005). - Bandung, Indonesien , 2005 . - 5 S.
ISBN 9-799652-01-4

Abstract in another language

We have employed a Michelson laser interferometer to investigate RF oscillations of quartz plates. By combining the measured amplitudes of certain harmonics in the interferometer output spectrum, we were able to determine the absolute value of the quartz vibration amplitude without having to calibrate the system. Auxiliary vibrations in the interferometer reference mirror were used to reduce the required detector bandwidth and to improve the detection limit of the system. The final setup was capable of detecting vibration amplitudes in the sub-nm range.

Further data

Item Type: Article in a book
Refereed: No
Additional notes: Tagungsband, ICICI 2005, Paper No. 069
Keywords: RF vibration monitoring; interferometry; frequency modulation; non-contact; calibration-free
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 17 Nov 2021 10:22
Last Modified: 17 Nov 2021 10:24
URI: https://eref.uni-bayreuth.de/id/eprint/67905