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ultrasonic News
Laser Technique Accelerates Metamaterial Studies
CAMBRIDGE, Mass., Nov. 27, 2023 — Although they’re made from everyday polymers, ceramics, and metals, metamaterials take on extraordinary properties due to precision microscale construction in intricate architectures. With the help of computer simulations, engineers can play...
Hybrid Interferometer Achieves Record-breaking Strain Resolutions
HUNTSVILLE, Ala., Aug. 9, 2022 — Researchers at the University of Alabama in Huntsville (UAH) have invented an ultrahigh-resolution interferometer that is sensitive enough to detect weak acoustic signals that are too faint to be picked up by other sensor types. The interferometer...
Nondestructive Method Uses Lasers to Characterize Nanomaterials’ Properties
HAMBURG, Germany, June 18, 2021 — A noncontact measurement method that uses laser ultrasound so that the detailed elastic properties of nanostructured materials can be characterized will help engineers and scientists decide whether nanomaterials can be processed into certain...
Optoacoustic Sensor Promises More Reliable Cardiological Diagnostics
HANNOVER, Germany, April 14, 2016 — A technique based on optical interferometry could enable ultrasonic methods to be used internally to gather information about the heart tissue. Until now ultrasonic methods have only been used externally, because the piezo electronical components...
PI Releases Catalog
AUBURN, Mass., Nov. 10, 2010 — PI (Physik Instrumente) L.P., a manufacturer of piezo ceramic actuators and precision motion-control equipment for semiconductor, biomedical and nanotechnology applications, has released a new catalog on piezo mechanisms. The 400-page catalog...
Nanogenerator Converts Tiny Movements to Electric Current
ATLANTA, April 6, 2007 -- A prototype nanometer-scale generator -- an array of tiny filaments that converts the smallest motions into electrical current -- could free nanomachines from the bulk of batteries by harvesting mechanical energy from such environmental sources as...
Ultrasound Laser Analog Built
CHAMPAIGN, Ill., June 13, 2006 -- By using sound instead of light, researchers have mimicked the essential nature of a laser by creating its ultrasound analog. Called a uaser (pronounced WAY-zer) for ultrasound amplification by stimulated emission of radiation, the instrument...
Daily News Briefs
Aug 18, 2004 — Luna Innovations Inc., a Blacksburg, Va., research and development company focusing on fiber optic, ultrasonic and wireless sensing, announced that Stephen R. Wilson has joined the company as executive vice president of its new Nanomaterials...
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April 2024
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