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Octave-spanning infrared frequency combs: synthesis and spectroscopy

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Abstract

Using an amplified single-branch Er:fiber laser (100 MHz), we generate infrared (3– 12 µm) frequency combs in a combination of lithium niobate and orientation-patterned gallium phosphide. Dual-comb spectroscopy of trace gases and alcohol vapors is demonstrated.

© 2018 The Author(s)

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