Four cases of engineering vibration studies using pulsed ESPI

Fernando Mendoza Santoyo; Michael C. Shellabear; John Raymond Tyrer

doi:10.1117/12.47100

1 October 1991 Four cases of engineering vibration studies using pulsed ESPI

Fernando Mendoza Santoyo, Michael C. Shellabear, John Raymond Tyrer

Proceedings Volume 1508, Industrial Applications of Holographic and Speckle Measuring Techniques; (1991) https://doi.org/10.1117/12.47100
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

A diode seeded Nd:YAG pulsed laser is used in conjunction with ESPI to study targets undergoing resonant in-plane and out-of-plane vibrations. The Nd:YAG laser is capable of operating in a single- or twin-pulse mode. At a repetition rate of 50 pulses/sec, the single- and twin-pulse operations are used to create subtraction fringes, and the twin-pulse operation (at 50 twin pulses/sec) to produce additional fringes. Results are presented for phase determination from in-plane and out-of-plane subtraction fringes, and also results on noise reduction for additional ESPI fringe patterns.

Citation Download Citation

Fernando Mendoza Santoyo, Michael C. Shellabear, and John Raymond Tyrer "Four cases of engineering vibration studies using pulsed ESPI", Proc. SPIE 1508, Industrial Applications of Holographic and Speckle Measuring Techniques, (1 October 1991); https://doi.org/10.1117/12.47100

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