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| Keywords: Comb Apparatus (7187334463).jpg 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 See also http //www nist gov/pml/div689/comb-061412 cfm www nist gov/pml/div689/comb-061412 cfm Credit JILA 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/7187334463/ Comb Apparatus 2012-06-11 17 01 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 N06/7187334463 2016-09-07 01 55 37 United States Government Work Frequency comb | ||||
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