Laser Interferometric Technique for Measuring Small-Order Vibration Displacements

Harry A. Deferrari; Frank A. Andrews

doi:10.1121/1.1909984

Laser Interferometric Technique for Measuring Small-Order Vibration Displacements

Harry A. Deferrari, Frank A. Andrews

Ocean Sciences

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Abstract

A Michelson interferometer using a CW laser-light source has been used to measure the amplitude of small-order vibrational displacements. Measurements over the surface of a vibrating plate at points 1/2 mm in diameter are reported. Magnitudes of 0.1-5000 A at frequencies of 100 Hz-20 kHz have been measured with higher and lower limits possible. The advantages of the technique are discussed.

Original language	English (US)
Pages (from-to)	979-980
Number of pages	2
Journal	Journal of the Acoustical Society of America
Volume	39
Issue number	5A
DOIs	https://doi.org/10.1121/1.1909984
State	Published - May 1966

ASJC Scopus subject areas

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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abstract = "A Michelson interferometer using a CW laser-light source has been used to measure the amplitude of small-order vibrational displacements. Measurements over the surface of a vibrating plate at points 1/2 mm in diameter are reported. Magnitudes of 0.1-5000 A at frequencies of 100 Hz-20 kHz have been measured with higher and lower limits possible. The advantages of the technique are discussed.",

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AB - A Michelson interferometer using a CW laser-light source has been used to measure the amplitude of small-order vibrational displacements. Measurements over the surface of a vibrating plate at points 1/2 mm in diameter are reported. Magnitudes of 0.1-5000 A at frequencies of 100 Hz-20 kHz have been measured with higher and lower limits possible. The advantages of the technique are discussed.

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Laser Interferometric Technique for Measuring Small-Order Vibration Displacements

Abstract

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