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Title: Physics, Time and Frequency, optical frequency comb
Description: Photographs of four different regions of the new optical frequency comb. The light is filtered through a grating spectrometer and photographed with a digital camera through a microscope. Each visible line or "tooth" is an individual frequency in the comb, which spans the visible spectrum from red to blue. More than 1,500 such photos would need to be lined up to show the entire comb.

*PHY, optical, frequency, comb, color, light, spectrometer, spectrum
Subjects (names): Diddams, Scott
Topics/Categories:
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
S. Diddams/NIST
AV Number: 09PHY028
Date Created: 2009
Date Entered: 10/29/2009

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