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atomic spectroscopy News
Light on Chip Slowed to a Crawl
SANTA CRUZ, Calif., Sept. 9, 2010 — A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1200. Each of the 32 units fabricated on this four-inch silicon wafer is an integrated...
The Proton Just Got Smaller
VILLIGEN, Switzerland, July 12, 2010 — In a discovery that could poke holes in the theory of quantum electrodynamics (QED), scientists have discovered that the proton, one of the smallest building blocks of all matter, is actually 4 percent smaller than previously thought. Part of the...
Atomic Spectroscopy Achieved with Optics on a Chip
SANTA CRUZ, Calif., June 1, 2007 -- Atomic spectroscopy has been performed with integrated optics on a chip for the first time by guiding a beam of light through a rubidium vapor cell integrated into a semiconductor chip. Atomic spectroscopy is a widely used technique with diverse...
Atomic Spectroscopy:A Looking-Glass View of thePast, Present and Future
Dec 1, 2004 — The oldest atomic spectroscopy technique is flame emission spectrophotometry, first employed by Gustav R. Kirchhoff and Robert W. Bunsen in the mid-1800s. Spark emission spectrometry was a natural progression of the method and was developed in the...
(4 results found)
May 2024
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