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high refractive index News
Biosensors Measure Molecules
CHAMPAIGN, Ill., Sept. 24, 2008 -- A new class of disposable, photonic crystal biosensors has been developed that can detect protein-DNA interactions. By examining the light reflected from the crystal, researchers can tell when molecules are added to or removed from the crystal...
Q: What Did the Scientist Say to the LED? A: Don’t Be Square
Feb 1, 2008 — A major issue with gallium-nitride LEDs is that, although they efficiently generate short-wavelength photons, the high refractive index of GaN (n = 2.5) traps much of the light inside the semiconductor chip as a result of total internal reflection....
HALF-BALL LENSES
Jul 1, 2007 — A 12-page document titled “Half Ball Lenses for High Power LED” has been released by Moulded Optics GmbH. Downloadable from the company Web site, the publication provides an introduction to the lenses for LED lighting, which are scratch-resistant,...
Reflective Platelets in Squid Are Composed of Protein
Feb 1, 2004 — The Hawaiian bobtail squid Euprymna scolopes camouflages itself using reflective tissue composed of flat, structural platelets of high refractive index. In the Jan. 9 issue of Science, researchers at the University of Hawaii at Manoa in Honolulu and...
(4 results found)
April 2024
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