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Absolute amplitude and phase measurement for microacoustic vibrations based on calibration-free homodyne interferometry

Title data

Gollwitzer, Andreas ; Fischerauer, Gerhard:
Absolute amplitude and phase measurement for microacoustic vibrations based on calibration-free homodyne interferometry.
In: Eurosensors XXII : Proceedings. - Düsseldorf : GMA , 2008 . - pp. 648-651
ISBN 978-3-00-025217-4

Abstract in another language

We present an optical detection system based on a modified Michelson interferometer which is capable of measuring the absolute amplitudes and phases of microacoustic vibrations at frequencies up to several gigahertz. The setup involves two synchronized acquisition systems, namely an automatic vector network analyzer (VNA) exciting the vibrations and a digital sampling oscilloscope (DSO). The surface vibrations can be monitored independently of reflectivity changes on the scanned surface.

Further data

Item Type: Article in a book
Refereed: No
Additional notes: Proceedings veröffentlicht auf 1 CD-ROM
Keywords: Modified Michelson interferometer; surface vibrations; absolute amplitude detection; absolute phase detection
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 14 Jul 2016 08:51
Last Modified: 14 Jul 2016 08:51
URI: https://eref.uni-bayreuth.de/id/eprint/33183