Measuring and testing – Vibration – By mechanical waves
Patent
1981-09-03
1983-04-12
Ciarlante, Anthony V.
Measuring and testing
Vibration
By mechanical waves
350 9615, G01N 924, G01N 2900, G02B 514
Patent
active
043794092
ABSTRACT:
Laser light for producing acoustic waves in a specimen to be examined is carried to the specimen from a single laser by a plurality of fiber optic cables. The fiber optic cables have different path lengths to cause a specific time delay between adjacent fiber optic cables to focus and steer the sonic waves in a desired direction.
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patent: 4121469 (1978-10-01), Kaule et al.
patent: 4121470 (1978-10-01), Kaule
patent: 4128759 (1978-12-01), Hunt et al.
patent: 4144767 (1979-03-01), Kaule et al.
patent: 4169662 (1979-10-01), Kaule et al.
patent: 4182935 (1980-01-01), Chown
patent: 4246793 (1981-01-01), Fairand et al.
patent: 4296319 (1981-10-01), Franks et al.
Laser Excitation of Microwave Sound in Solids; by Cachier Journal of Acoustical Society of America, vol. 49, No. 3, part 3, published in 1971, pp. 974-978.
Bickel Wolf
Primbsch Erik
Carlson David V.
Ciarlante Anthony V.
Feig Philip J.
Krautkramer-Branson, Inc.
Steinberg Ervin B.
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