News tagged with light frequency

New way to generate terahertz radiation

(Phys.org) -- 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 ...

Jul 11, 2012
4.9 / 5 (12) 4 | with audio podcast

Cutting light with a comb

(Phys.org)—Quantum physicists from ETH Zurich have discovered special properties in a laser, thanks to which portable devices can be built to analyse gases and liquids accurately and reliably in the future.

Dec 14, 2012
5 / 5 (8) 0 | with audio podcast

LED lights build communication network

(PhysOrg.com) -- 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 ...

Aug 04, 2009
4.3 / 5 (9) 2