Acoustic interferometer
An acoustic interferometer is an instrument, using interferometry, for measuring the physical characteristics of sound waves in a gas or liquid. It may be used to measure velocity, wavelength, absorption, or impedance. A vibrating crystal creates the ultrasonic waves that are radiated into the medium. The waves strike a reflector placed parallel to the crystal. The waves are then reflected back to the source and measured.
See also
References
- Inoue N, Hirai M, Hasegawa T, Matsuzawa K (1986). "A new ultrasonic interferometer for velocity measurement in liquids using optical diffraction". J. Phys. D: Appl. Phys. 19 (8): 1439–1447. Bibcode:1986JPhD...19.1439I. doi:10.1088/0022-3727/19/8/012.
- Sukatskas, V.A.; Voleishis, A.P.; Stankyavichyus, É.V.; Armoshka, V.K. (1988). "Density measurement of a liquid with an ultrasonic interferometer of constant length". Measurement Techniques. 31 (11): 1126–9. doi:10.1007/BF00864320.
- Gucker, F. T.; Chernick, C. L.; Roy-Chowdhury, P (1966). "A Frequency-Modulated Ultrasonic Interferometer: Adiabatic Compressibility of Aqueous Solutions of Nacl and Kcl at 25°C". Proc. Natl. Acad. Sci. U.S.A. 55 (1): 12–19. Bibcode:1966PNAS...55...12G. PMC 285746
. PMID 16578624. doi:10.1073/pnas.55.1.12. - www.mittalenterprises.com
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