Coherently-Averaged Dual-Comb Spectrometer at 7.7 µm with Master and Follower Quantum Cascade Lasers

K. Komagata,A. Shehzad,G. Terrasanta,P. Brochard,R. Matthey,M. Gianella,P. Jouy,F. Kap-salidis,M. Shahmohammadi,M. Beck,V. J. Wittwer, J. Faist,L. Emmenegger,T. Südmeyer,A. Hugi,S. Schilt

2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)（2021）

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摘要

Mid-infrared (MIR) quantum cascade laser (QCL) frequency combs are an appealing technology for dual-comb spectroscopy as they cover strong absorption bands of many relevant molecules in the MIR region and enable measurements with sub-microsecond time-resolution permitting novel insights into dynamical processes [1] . The comb properties can be directly controlled through the QCL driving current, t...

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关键词

Temperature measurement,Time-frequency analysis,Spectroscopy,Semiconductor device measurement,Temperature,Master-slave,Frequency measurement

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