Reports from University of Arizona highlight recent research in applied optics.

Nanotechnology Weekly | November 9, 2009 | Copyright

"We present a novel optical trap structure for the confinement of a freely mobile quantum dot to a sub-diffraction-limited volume," investigators in the United States report.

"We examine the optical forces on a single quantum dot, under excitonic resonance conditions, in the presence of resonantly enhanced electric fields in the near-field of a suitably engineered metal nanostructure. A numerical scheme to calculate the electromagnetic force on a quantum dot using an adaptive mesh refinement (AMR) FDTD code combined with microscopic material equations is employed," ...

Read all of this article with a FREE trial to HighBeam Research

Related newspaper, magazine, and trade journal articles from HighBeam Research

(Including press releases, facts, information, and biographies)

Olmec, mother of Mesoamerican culture?
Newspaper article from: Deseret News (Salt Lake City) ; ...Most impressive were Olmec sculptures: colossal...revered rulers. The Olmecs are widely regarded...scholars think the Olmec civilization was...much influence the Olmecs had on contemporary...Lorenzo, the first Olmec capital, was doing...Blomster said. "The Olmecs were disseminating...
Romaning the Olmec stones // Explore an early civilization and mysteries it left behind
Newspaper article from: Chicago Sun-Times ; ...unearthed in San Lorenzo, the first Olmec capital and the center of Olmec power for 400 years. IT'S...everything we know about the Olmecs is through their art. Except...wood figures and one mask, only Olmec stonework has survived millenniums...
The Ancient Olmecs; Monumental Art, Mysterious End
Newspaper article from: The Washington Post ; ...of the culture now known as Olmec except that it appears to have...civilizations of Mexico. The Olmecs left no written records. Instead...a tantalizing glimpse of the Olmec world that archeologists and...probe for clues to its decline. Olmec civilization arose along the...
The rise of the Olmecs.(pre-Columbian civilization)(Cover Story)
Magazine article from: Calliope ; ...its rulers reigned over the Olmec world until about 400 B.C., when Olmec culture ceased to exist. People abandoned much of the old Olmec heartland, while new population...Mexico. The descendants of the Olmecs became the Popoluca-speaking...
Pottery Presented as Evidence Of Olmec Culture's Influence
Newspaper article from: The Washington Post ; ...new evidence yesterday that the fabled Olmec, sculptors of ancient Mexico's colossal...hypothesis and those who argue that the Olmec were just one of several "sister" cultures...pottery with symbols and designs in the "Olmec style," only the early Olmec themselves...
Behind the Mask of the Olmec; At the National Gallery, a Dazzling Look At the First Great Mexican Civilation
Newspaper article from: The Washington Post ; ...years, when some of these small Olmec sculptures made their way via...features). Today, however, the Olmecs are celebrated as the mother...Because no evidence of a written Olmec language has yet been found...the life and beliefs of the Olmecs. Curiously, the Olmecs appear...
Discovering new old culture: Olmec art reveals little-known ancient society.(Arts)(Sculpture)
Newspaper article from: The Washington Times ; ...even to identify the Olmecs - who flourished between...people. The studies of Olmec culture are still young...according to leading Olmec scholar Richard A. Diehl...records come down, as the Olmecs had no writing. Certain elements of the Olmec art style are, indeed...
Not just a pretty face: although known for its heads, Olmec civilization broke American ground in pyramids and communication.
Magazine article from: Business Mexico ; ...great urban centers in Mexico--the largest in the Olmec empire--more than three millennia ago. Its magnificent...since disappeared. Still, the rich legacy of the Olmec lives on. The Olmec are often called the mother culture of Mesoamerica...
An a-"maize"-ing story.(maize and its role in development of Olmec society)
Magazine article from: Calliope ; ...throughout the Olmec period. The pollen...proof that the Olmecs and their ancestors...by the ancient Olmecs and the speculations...development of Olmec society, it is...the emergence of Olmec civilization, but it was the Olmecs who introduced...
Cultural mother (or just a sister?) Ceramics study splits archaeologists on Mexico's Olmecs
Newspaper article from: International Herald Tribune ; ...Most impressive were Olmec sculptures: colossal...revered rulers.The Olmecs are widely regarded...Lorenzo, the first Olmec capital, was doing...Blomster said. ''The Olmecs were disseminating...the idea that the Olmec invented civilization...acknowledged that the Olmecs established a ...

Find more facts and information related to the article "Reports from University of Arizona highlight ..."