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Latest Acoustic metamaterials Stories

2014-07-10 23:06:36

According to a new report from BCC Research, the total global market for metamaterials was $289.2 million in 2013 and consequently, $346.3 million in 2014. BCC Research expects the market to grow to nearly $1.2 billion by 2019, a compound annual growth rate (CAGR) of 27.6% during 2014 to 2019, and nearly $3 billion by 2024, registering a CAGR of 20.5% from 2019 to 2024. Wellesley, Mass., (PRWEB) July 10, 2014 BCC Research (http://www.bccresearch.com) reveals in its new report,...

First Phononic Crystal That Can Be Altered In Real Time Announced By Researchers
2014-04-01 15:19:08

University of Bristol Using an acoustic metadevice that can influence the acoustic space and can control any of the ways in which waves travel, engineers have demonstrated, for the first time, that it is possible to dynamically alter the geometry of a three-dimensional colloidal crystal in real time. The colloidal crystals designed in the study, called metamaterials, are artificially structured materials that extend the properties of existing naturally occurring materials and...

World's First Acoustic Field Rotator May Help Improve Imaging Capabilities Of Medical Ultrasound Devices
2014-02-26 15:35:43

American Institute of Physics A Chinese-U.S. research team is exploring the use of metamaterials -- artificial materials engineered to have exotic properties not found in nature -- to create devices that manipulate sound in versatile and unprecedented ways. In the journal Applied Physics Letters, the team reports a simple design for a device, called an acoustic field rotator, which can twist wavefronts inside it so that they appear to be propagating from another direction. "Numerous...

2014-02-25 12:25:36

The World's First Acoustic Field Rotator, Described in Applied Physics Letters, May Help to Improve the Imaging Capabilities of Medical Ultrasound Devices WASHINGTON, Feb. 25, 2014 /PRNewswire-USNewswire/ -- A Chinese-U.S. research team is exploring the use of metamaterials -- artificial materials engineered to have exotic properties not found in nature -- to create devices that manipulate sound in versatile and unprecedented ways....

2012-06-27 17:50:04

Berkeley Lab Development Holds Promise for Nanolasers, LEDs, Optical Sensors and Photonic Communications The world´s smallest three-dimensional optical cavities with the potential to generate the world´s most intense nanolaser beams have been created by a scientific team led by researchers with the U.S. Department of Energy (DOE)´s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley. In addition to nanolasers, these unique...

2012-05-11 14:47:31

The following are excerpts of selected lay-language papers. The entire collection can be found here: http://www.acoustics.org/press/163rd/lay_lang.html Lay-language Paper Highlights: 1. Trapping Microorganisms Using Cylindrical Standing Waves and Its Application to Water Purification 2. Auditory Depth Control: Investigation Associated Physical Parameters that Make a 3-D Sound Image Project Out of Your TV 3. Speech Perception Development in Monolingual Infants and Bilingual Infants...

2011-11-09 10:36:17

A new type of active metamaterial that incorporates semiconductor devices into conventional metamaterial structures is demonstrating an ability to have power gain while retaining its negative refraction property, a first in the world of metamaterials research. "Our simulation and experimental results show that the addition of the battery powered semiconductor diodes not only provided gain, but also maintained the negative index of this kind of metamaterial," said Dr. Hao Xin of the...

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2008-01-09 15:05:24

DURHAM, N.C. -- Contrary to earlier predictions, Duke University engineers have found that a three-dimensional sound cloak is possible, at least in theory. Such an acoustic veil would do for sound what the "invisibility cloak" previously demonstrated by the research team does for microwaves--allowing sound waves to travel seamlessly around it and emerge on the other side without distortion (http://www.pratt.duke.edu/news/?id=792). "We've devised a recipe for an acoustic material that would...


Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.