Holographic vibration measurement using a tv speckle interferometer with silicon target vidicon |
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Authors: | HM Pedersen OJ Lökberg BM Förre |
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Institution: | The Norwegian Institute of Technology, 7034 Trondheim, Norway |
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Abstract: | A basic realization of a TV speckle interferometer applying a silicon target vidicon is described. The increased detectivity compared with other vidicons reduces the laser power requirements. This enables stroboscopic operation in a fairly straightforward manner with a He-Ne laser source. Time average- and stroboscopic fringe patterns for a vibrating test object are presented. |
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