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Contact: Laura Ost
laura.ost@nist.gov
303-497-4880
National Institute of Standards and Technology (NIST)

Frequency Comb, Ultrafast Laser

Caption: Experimental data from a NIST 'gap-toothed' frequency comb that is false colored to indicate the range from low power (red) to high power (blue). The comb is specially designed for astronomy. Each 'tooth' is a precisely known frequency, and the teeth are widely separated (by 20 gigahertz) in comparison to a standard comb.

Credit: Credit: M. Kirchner & S. Diddams/NIST

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