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| Keywords: Fast Light (7152180759).jpg In four-wave mixing researchers send seed pulses of laser light into a heated cell containing atomic rubidium vapor along with a separate pump beam at a different frequency The vapor amplifies the seed pulse and shifts its peak forward making it superluminal At the same time photons from the inserted beams interact with the vapor to generate a second pulse called the conjugate Its peak too can travel faster or slower depending on how the laser is tuned and the conditions inside the gain medium See also http //www nist gov/pml/div684/light-050212 cfm www nist gov/pml/div684/light-050212 cfm Credit NIST Disclaimer Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST Use of NIST Information These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology NIST With the exception of material marked as copyrighted information presented on these pages is considered public information and may be distributed or copied Use of appropriate byline/photo/image credits is requested https //www flickr com/photos/usnistgov/7152180759/ Fast Light 2012-05-01 16 03 https //www flickr com/people/63059536 N06 National Institute of Standards and Technology PD-USGov National Institute of Standards and Technology https //flickr com/photos/63059536 N06/7152180759 2016-09-07 01 55 44 United States Government Work Optics diagrams | ||||
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