Applied holographic interferometry display and quantification methods

Christopher T. Griffen; Slawomir T. Fryska; Paul R. Bernier

doi:10.1117/12.57791

1 January 1992 Applied holographic interferometry display and quantification methods

Christopher T. Griffen, Slawomir T. Fryska, Paul R. Bernier

Proceedings Volume 1600, Intl Symp on Display Holography; (1992) https://doi.org/10.1117/12.57791
Event: International Symposium on Display Holography, 1991, Lake Forest, IL, United States

Abstract

Holographic interferometry has emerged as a significant optical imaging tool in supplementing conventional automotive powertrain testing methods in the areas of noise, vibration and durability. This paper focuses on various techniques and applications in measuring inherent structural static and dynamic properties as well as overall noise and vibration characteristics of components, subsystems and complete powertrain systems. Within the scope of continous wave and pulsed interferometry methods for imaging, the areas of display and quantification are discussed. Reflection mode holograms obtained directly as well as generation from transmission holograms are illustrated. Measurement of modulated fringe phase in conjunction with an image processor for three dimensional surface contours is described. Also addressed are removal of rigid body carrier fringes by sandwich techniques. Reflection mode interferometric results are compared to classical two beam transmission interferograms for image quality, fringe characteristics and general technical advantages and drawbacks of each method of display.

Citation Download Citation

Christopher T. Griffen, Slawomir T. Fryska, and Paul R. Bernier "Applied holographic interferometry display and quantification methods", Proc. SPIE 1600, Intl Symp on Display Holography, (1 January 1992); https://doi.org/10.1117/12.57791

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