Researchers slow light to a crawl in liquid crystal matrix

(Phys.org) óLight traveling in a vacuum is the Universe's ultimate speed demon, racing along at approximately 300,000 kilometers per second. Now scientists have found an effective new way to put a speed bump in light's path. Reported today in The Optical Society's (OSA) open-access journal Optics Express, researchers from France and China embedded dye molecules in a liquid crystal matrix to throttle the group velocity of light back to less than one billionth of its top speed. The team says the ability to slow light in this manner may one day lead to new technologies in remote sensing and measurement science.

Researchers Slow Light to a Crawl

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Wed 14 Aug 13 from Laboratory Equipment

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