Fibre optic system for the monitoring of asymmetric Lamb wave modulation in thin films

Electronics Letters

Volumn 33, Issue 21, 1997, Pages 1813-1815

  Dewhurst, R J ^a   Williams, B A ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

Fibre optic sensors; Ultrasonics

Indexed keywords

AMPLITUDE MODULATION; COMPUTER SIMULATION; LIGHT MODULATION; PERTURBATION TECHNIQUES; THIN FILMS; ULTRASONIC TRANSDUCERS;

ASYMMETRIC LAMB WAVE MODULATION; ELECTROMAGNETIC ACOUSTIC TRANSDUCERS (EMAT);

FIBER OPTIC SENSORS;

EID: 0031561219     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19971180     Document Type: Article

References (6)

1. DEWHURST, R.J., EDWARDS, C., MCKIE, A.D.W., and PALMER, S.B.: 'Estimation of the thickness of thin metal sheet using laser-generated ultrasound', Appl. Phys. Lett., 1987, 51, pp. 1066-1068
2. NOUI, L., and DEWHURST, R.J.: 'A laser-beam deflection technique for the quantitative detection of ultrasonic Lamb waves', Ultrasonics, 1993, 31, pp. 425-432
3. BOBBIN, S.E., WAGNER, J.W., and CAMMARATA, R.C.: 'Interpretation of laser-generated low order Lamb waves for elastic modulus measurements in thin films', Ultrasonics, 1992, 30, pp. 87-90
4. SPICER, J.B., MCKIE, A.D.W., and WAGNER, J.W.: 'Quantitative theory for laser ultrasonic waves in thin plates', Appl. Phys. Lett., 1990, 57, pp. 1882-1884
5. WILLIAMS, B.A., and DEWHURST, R.J.: 'Differential fibre-optic sensing of laser-generated ultrasound', Electron. Lett., 1995, 31, pp. 391-392
6. SPICER, J.B., Ph.D Thesis, Johns Hopkins University, MD, USA 1991