Comparative study of wide-band ultrasonic transducers

R. J. Dewhurst; C. E. Edwards; A. D W McKie; S. B. Palmer

Comparative study of wide-band ultrasonic transducers

R. J. Dewhurst, C. E. Edwards, A. D W McKie, S. B. Palmer

Research output: Contribution to journal › Article › peer-review

Abstract

The relative performance of several types of ultrasonic transducer are assessed using reproducible acoustic transients generated from Q-switched Nd:YAG laser pulses incident on an aluminium alloy sample. A laser interferometer, a capacitance transducer, two types of electromagnetic acoustic transducers (EMATs), and a broad-band piezoelectric transducer are examined as detectors. The comparison includes a study of their rise-times, and typical signal-to-noise ratios. In the case of the interferometer and capacitance transducer, displacement measurements are shown to be highly consistent with theory. © 1987.

Original language	English
Pages (from-to)	315-321
Number of pages	6
Journal	Ultrasonics
Volume	25
Issue number	6
Publication status	Published - Nov 1987

Keywords

acoustic transients
EMATs
transducers

Cite this

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title = "Comparative study of wide-band ultrasonic transducers",

abstract = "The relative performance of several types of ultrasonic transducer are assessed using reproducible acoustic transients generated from Q-switched Nd:YAG laser pulses incident on an aluminium alloy sample. A laser interferometer, a capacitance transducer, two types of electromagnetic acoustic transducers (EMATs), and a broad-band piezoelectric transducer are examined as detectors. The comparison includes a study of their rise-times, and typical signal-to-noise ratios. In the case of the interferometer and capacitance transducer, displacement measurements are shown to be highly consistent with theory. {\textcopyright} 1987.",

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N2 - The relative performance of several types of ultrasonic transducer are assessed using reproducible acoustic transients generated from Q-switched Nd:YAG laser pulses incident on an aluminium alloy sample. A laser interferometer, a capacitance transducer, two types of electromagnetic acoustic transducers (EMATs), and a broad-band piezoelectric transducer are examined as detectors. The comparison includes a study of their rise-times, and typical signal-to-noise ratios. In the case of the interferometer and capacitance transducer, displacement measurements are shown to be highly consistent with theory. © 1987.

AB - The relative performance of several types of ultrasonic transducer are assessed using reproducible acoustic transients generated from Q-switched Nd:YAG laser pulses incident on an aluminium alloy sample. A laser interferometer, a capacitance transducer, two types of electromagnetic acoustic transducers (EMATs), and a broad-band piezoelectric transducer are examined as detectors. The comparison includes a study of their rise-times, and typical signal-to-noise ratios. In the case of the interferometer and capacitance transducer, displacement measurements are shown to be highly consistent with theory. © 1987.

KW - acoustic transients

KW - EMATs

KW - transducers

M3 - Article

VL - 25

SP - 315

EP - 321

JO - Ultrasonics

JF - Ultrasonics

IS - 6

ER -

Comparative study of wide-band ultrasonic transducers

Abstract

Keywords

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