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diamond News
Diamond aerogel could improve optics
LIVERMORE, Calif. – A nanocrystalline diamond aerogel could spell big improvements to optics for applications as large as telescopes or as small as eyeglass lenses. At Lawrence Livermore National Laboratory (LLNL), a laser-heated diamond anvil cell and a standard...
Laser Controls Quantum State in Diamond
SANTA BARBARA, Calif., Nov. 2, 2010 — Laser light has successfully been combined with trapped electrons to detect and control the electrons' fragile quantum state without erasing it. This is an important step toward using quantum physics to expand computing power and to communicate over...
Diode-Pumped Solid-State UV Lasers Improve LED Sapphire Wafer Scribing
Oct 14, 2010 — The green movement, energy conservation efforts and global warming headlines have made the world aware of the need for more energy-efficient lighting alternatives. The range of applications for high-brightness LEDs continues to expand. Laser...
Diamond Properties Speed Quantum Computing
BOCHUM, Germany, March, 22, 2010 – Another decisive step forward in the development of quantum computers has been successful. For the first time, researchers at Ruhr University and at the Universities of Stuttgart and Texas at Austin in the US have placed two nitrogen atoms at a...
Laser Gauges Diamond’s Strength
LIVERMORE, Calif., Jan. 28, 2010 – Diamond, one of the hardest solids on Earth, is so strong that it can easily cut through glass and steel. Surprisingly, very little is known about the strength of diamond at ex...
Diamonds sparkle in Raman application
SYDNEY, Australia – Researchers from Macquarie University and from the Defence Science and Technology Organisation (DSTO) in Edinburgh have developed a diamond Raman laser with 63.5 percent efficiency, taking diamond into the same conversion league as other Raman laser...
Twinkle, Twinkle Lil' Diamond
Jul 24, 2009 — Fluorescent nanodiamonds are useful little particles, providing an unblinking glow that resists photobleaching. They are biologically inert, lending themselves to a range of medical applications. But what are they, really?
Laser Gets Some Bling
SYDNEY, Australia, Dec. 15, 2008 -- A team of physicists at Macquarie University in Sydney has built the first diamond laser using a technique based on the Raman effect. The research could lead to new laser sources that operate over a wide range of wavelengths and with very high power...
Sensor Peers into Electrons
CAMBRIDGE, Mass., Oct. 1, 2008 -- Physicists have exploited a special "flaw" in diamond crystals, manipulating them into monitoring magnetic signals from individual electrons and atomic nuclei and allowing scientists to spy on some of the universe's tiniest building blocks. The...
Geologists: Black Diamonds Come From Outer Space
UPTON, N.Y., Jan. 12, 2007 -- Using infrared synchrotron radiation, geologists have discovered that Earth's so-called black diamonds originated in interstellar space. Scientists Jozsef Garai and Stephen Haggerty of Florida International University, along with researchers...
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June 2024
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