File:Extreme ultraviolet (EUV) frequency comb (6806854303).jpg

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Artist's conception of JILA's extreme ultraviolet (EUV) frequency comb. The original light source is a pulsed infrared laser, which is used to create a train of attosecond-long pulse bursts at EUV wavelengths (the bright white spot in the distance). Each of the resulting 'harmonics'--strong signals at regular fractions of the original infrared wavelength--has its own set of 'teeth' marking individual frequencies (series of adjacent white lines in the foreground), creating a frequency comb within each harmonic. To prove the new structure exists, JILA scientists observed a tooth interacting with argon atoms, indicated by the glowing atom symbol in the center foreground.

See also www.nist.gov/pml/div689/euv_comb.cfm

Credit: Baxley/JILA

Disclaimer: Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST.

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Source Extreme ultraviolet (EUV) frequency comb
Author National Institute of Standards and Technology

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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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This image was originally posted to Flickr by National Institute of Standards and Technology at https://flickr.com/photos/63059536@N06/6806854303. It was reviewed on 7 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

7 September 2016

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Date/TimeThumbnailDimensionsUserComment
current01:51, 7 September 2016Thumbnail for version as of 01:51, 7 September 20161,599 × 2,100 (1.63 MB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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