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Title: Comb Apparatus
Description: This colorful apparatus is a key part of the JILA frequency comb instrument used to measure trace gases for biomedical applications. The beam from a powerful fiber laser is converted by a special crystal and other optics into two light waves at lower frequencies. The system can detect and measure the concentration of many different molecules based on how they absorb light in the mid-infrared region of the electromagnetic spectrum.

*PML

See also http://www.nist.gov/pml/div689/comb-061412.cfm.
Subjects (names):
Topics/Categories:
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: JILA
AV Number: 12PML019
Date Created: 2012
Date Entered: 6/14/2012

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