News tagged with light frequency

New way to generate terahertz radiation

( -- Cornell researchers have developed a new method of generating terahertz signals on an inexpensive silicon chip, offering possible applications in medical imaging, security scanning and wireless data transfer.

dateJul 11, 2012 in General Physics
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Smallest nanoantennas for high-speed data networks

More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are applied to transmit ...

dateOct 20, 2009 in Nanophysics
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LED lights build communication network

( -- Imagine a world where bright, energy-sipping, cheap, durable LEDs light the world. A world where if you have enough light to see, you are connected. The University of California, Riverside will lead a multi-campus ...

dateAug 04, 2009 in Engineering
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An octave spanning chip-based optical ruler

More than a decade ago, the frequency comb technique was developed at the Max Planck In-stitute of Quantum Optics by Professor Theodor W. Hänsch. The new tool has stimulated fun-damental research as well as laser development ...

dateAug 08, 2011 in General Physics
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