Time-resolved quantitative multiphase interferometric imaging of a highly focused ultrasound pulse

Journal Article · Mon Nov 01 00:00:00 EDT 2010 · Applied Optics

DOI:https://doi.org/10.1364/AO.49.006127· OSTI ID:22036549

Souris, Fabien; Grucker, Jules; Dupont-Roc, Jacques; Jacquier, Philippe; Arvengas, Arnaud; Caupin, Frederic

Interferometric imaging is a well-established method to image phase objects by mixing the image wavefront with a reference one on a CCD camera. It has also been applied to fast transient phenomena, mostly through the analysis of single interferograms. It is shown that, for repetitive phenomena, multiphase acquisition brings significant advantages. A 1MHz focused sound field emitted by a hemispherical piezotransducer in water is imaged as an example. Quantitative image analysis provides high resolution sound field profiles. Pressure at focus determined by this method agrees with measurements from a fiber-optic probe hydrophone. This confirms that multiphase interferometric imaging can indeed provide quantitative measurements.

• OSTI ID: 22036549
• Journal Information: Applied Optics, Vol. 49, Issue 31; Other Information: (c) 2010 Optical Society of America; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6935
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CHARGE-COUPLED DEVICES
FIBERS
IMAGE PROCESSING
IMAGES
MIXING
PULSES
SOUND WAVES
TIME RESOLUTION
TRANSIENTS
WATER