Effect of low-frequency vibrations on speckle interferometry fringes

Chandra S. Vikram; Martin J. Pechersky

doi:10.1117/1.601685

1 May 1998 Effect of low-frequency vibrations on speckle interferometry fringes

Chandra S. Vikram, Martin J. Pechersky

Optical Engineering, Vol. 37, Issue 5, (May 1998). https://doi.org/10.1117/1.601685

The effects of low-frequency vibrations on speckle correlation fringes have been investigated. The relatively short capture time of the camera in the low-frequency case may yield usable fringe contrast in spite of vibration. It has been shown that the fringes also shift due to the vibration. The study is in agreement with experimental observations of good-contrast correlation fringes even if the object is not on a vibration- isolated table. Some such experimental observations are also presented.

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Chandra S. Vikram and Martin J. Pechersky "Effect of low-frequency vibrations on speckle interferometry fringes," Optical Engineering 37(5), (1 May 1998). https://doi.org/10.1117/1.601685

Published: 1 May 1998

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