Applied Physics B

, 124:149 | Cite as

External cavity quantum cascade laser emitting from 12.3 to 13.2 \(\upmu\)m

  • Sylvain MathonnièreEmail author
  • Ján Tomko
  • Yohei Matsuoka
  • Sven Peters
  • Jan Kischkat
  • Mykhaylo Semtsiv
  • W. Ted Masselink
Part of the following topical collections:
  1. Mid-infrared and THz Laser Sources and Applications


We describe a long-wavelength external ccavity quantum cascade laser, emitting from 12.3 to \(13.2\ \upmu \text {m}\) integrated into a compact design to promote portability. For this purpose, a new type of anti-reflection coating was designed as well as a new way of measuring its performance. Finally, a portion of the absorption spectrum of ammonia vapor was recorded by tuning the laser, which demonstrates the spectroscopic capacity of this EC-QCL.



The authors thank Dr. Sascha Kalusniak for the FTIR measurement. This work was supported by the Mid-TECH project which has received funding from the European Union’s Horizon 2020 Research and Innovation Program under Grant Agreement No. 642661.


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© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Humboldt University of BerlinBerlinGermany
  2. 2.Sentench GmbHBerlinGermany

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