Reference : Experimental validation of a newly designed 6 degrees of freedom scanning laser head:...
Scientific journals : Article
Engineering, computing & technology : Multidisciplinary, general & others
http://hdl.handle.net/10993/33230
Experimental validation of a newly designed 6 degrees of freedom scanning laser head: Application to three-dimensional beam structure
English
Copertaro, Edoardo mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Di Maio, Dario [University of Bristol UK]
2013
Review of Scientific Instruments
American Institute of Physics
84
Yes (verified by ORBilu)
International
0034-6748
1089-7623
New York
NY
[en] Laser Doppler Vibrometry ; Continuous Laser Scanning ; Modal Analysis
[en] A new scanning laser head is designed to use single Laser Doppler Vibrometer (LDV) for performing measurements up to 6 degrees of freedom (DOF) at a target. The scanning head is supported by a rotating hollow shaft, which allows the laser beam to travel up to the scanning head from an opposite direction where an LDV is set up. The scanning head is made of a set of two mirrors, which deflects the laser beam with an angle so that the rotation of the scanning head produces a conical scan. When measurements are performed at the focal point of the conical scan then three translational vibration components can be measured, otherwise the very small circle scan, before and after the focal point, can measure up to 6 degrees of freedom, including three translations and three rotations. This paper presents the 6DOF scanning head and the measurements of 3D operational deflection shapes of a test structure.
University of Bristol
http://hdl.handle.net/10993/33230
10.1063/1.4845535

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