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Mutually Injection Locked Gain Switched Optical Frequency Combs for Dual Comb Spectroscopy of H2S

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Abstract

Application of two mutually injection-locked gain-switched optical frequency combs for near-infrared spectroscopy of H2S in air is demonstrated. The high phase correlation between OFCs allows measurement sensitivities of 740 ppmv using a compact, flexible device.

© 2020 The Author(s)

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