Two mid-infrared frequency combs with average powers of up to 0.5 W were produced via difference frequence generation. Absorption in acetylene (C2H2) was measured using mid-infrared dual-comb spectroscopy.
Noh Soo HanJunWoo KimTai Hyun YoonMinhaeng Cho
Pei-Ling LuoN. PicquéTheodor W. HänschG. MillotKana IwakuniMing Yan
Kenichi N. KomagataSimon VogelValentin J. WittwerMathieu BertrandStéphane SchiltJérôme FaistThomas SüdmeyerLukas EmmeneggerMichele Gianella