Journal
OPTICA
Volume 3, Issue 4, Pages 414-426Publisher
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.3.000414
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Funding
- Defense Sciences Office, DARPA (DSO)
- Advanced Research Projects Agency - Energy (ARPA-E)
- National Institute of Standards and Technology (NIST)
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Dual-comb spectroscopy is an emerging new spectroscopic tool that exploits the frequency resolution, frequency accuracy, broad bandwidth, and brightness of frequency combs for ultrahigh-resolution, high-sensitivity broadband spectroscopy. By using two coherent frequency combs, dual-comb spectroscopy allows a sample's spectral response to be measured on a comb tooth-by-tooth basis rapidly and without the size constraints or instrument response limitations of conventional spectrometers. This review describes dual-comb spectroscopy and summarizes the current state of the art. As frequency comb technology progresses, dual-comb spectroscopy will continue to mature and could surpass conventional broadband spectroscopy for a wide range of laboratory and field applications.
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