ULTRASONIC WAVEGUIDE SENSOR AND APPARATUS FOR DISTRIBUTED PHYSICAL PARAMETER MEASUREMENTS

An apparatus and method for distributed physical parameter measurements of the surrounding environment is disclosed. The apparatus can include a waveguide with an elongated body configured with three gratings along the body where each of the three gratings is configured to fully or partially reflect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUNG, MYUNG KYUN, Xiang, Dan, ULUUTKU, BERKIN
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An apparatus and method for distributed physical parameter measurements of the surrounding environment is disclosed. The apparatus can include a waveguide with an elongated body configured with three gratings along the body where each of the three gratings is configured to fully or partially reflect an acoustic wave on the waveguide at a different frequency than the other gratings of the three gratings. Further, each of the three gratings can comprise discontinuities in the grating configured to reflect one or more frequencies of acoustic waves, and each of the discontinuities for each of the three gratings has an internal geometry configured according to fractions of an acoustic wave's frequency and corresponding wavelength.