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Beam combining of quantum cascade lasers for remote sensing

  • Hans Dieter Tholl

    Hans Dieter Tholl received a Diploma in physics in 1985 and a PhD in Optical Physics in 1990, both from the Technical University (RWTH) of Aachen. He was awarded the Borchers Medal of the RWTH for his outstanding PhD Thesis. In the years 1990/1991 he was assistant research professor at the University of Nevada. From 1991 to 1995 he served as a coordinator for projects in optical metrology at the Technical University of Aachen. He joined Diehl in 1995 and became head of the Optronics and Laser Techniques section in 1998. At Diehl, H.D. Tholl serves as chief engineer and manager in national and European projects related to active and passive optronics. In addition to his industry position, H.D. Tholl lectures in Wave Optics, Laser Theory, and Laser Applications at the Technical University of Ravensburg-Weingarten in Germany.

     EMAIL logo     and Joachim Wagner

    Joachim Wagner received a Ph.D. degree in physics from the University of Stuttgart, Stuttgart, Germany, in 1982. From 1982 to 1984 he worked at the “Max-Planck-Institut für Festkörperforschung”, Stuttgart, Germany, in the group of Prof. M. Cardona before joining the Fraunhofer-Institute for Applied Solid State Physics, Freiburg, Germany, in 1985. There he is currently deputy director and head of the Department “Optoelectronic Modules”. He is also Professor at the Institute of Physics of the University of Freiburg and an associated member of the Materials Research Center Freiburg (FMF). His current research interests include III/V-semiconductor heterostructures and their application in optoelectronic devices both for the infrared and the visible/uv spectral range. He is author or coauthor of more than 400 scientific publications including several review papers and book chapters.
Published/Copyright: November 13, 2013
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Advanced Optical Technologies
From the journal Advanced Optical Technologies Volume 2 Issue 5-6

Abstract

This letter highlights the application of quantum cascade lasers for stand-off detection and remote sensing. In particular, we review the topic of power scaling via beam combining architectures and conclude with remarks on generating axial symmetric irradiance profiles via incoherent aperture beam combining of individual quantum cascade lasers.

Keywords: beam combining; optical sensing; quantum cascade lasers; remote sensing; sensors; stand-off detection; OCIS codes: 120.0280; 140.3298; 140.5965; 260.3060; 280.4788
Corresponding author: Hans Dieter Tholl, Diehl BGT Defence, Alte Nussdorfer Strasse 13, D-88662 Ueberlingen, Germany, e-mail:

About the authors

Hans Dieter Tholl

Hans Dieter Tholl received a Diploma in physics in 1985 and a PhD in Optical Physics in 1990, both from the Technical University (RWTH) of Aachen. He was awarded the Borchers Medal of the RWTH for his outstanding PhD Thesis. In the years 1990/1991 he was assistant research professor at the University of Nevada. From 1991 to 1995 he served as a coordinator for projects in optical metrology at the Technical University of Aachen. He joined Diehl in 1995 and became head of the Optronics and Laser Techniques section in 1998. At Diehl, H.D. Tholl serves as chief engineer and manager in national and European projects related to active and passive optronics. In addition to his industry position, H.D. Tholl lectures in Wave Optics, Laser Theory, and Laser Applications at the Technical University of Ravensburg-Weingarten in Germany.

Joachim Wagner

Joachim Wagner received a Ph.D. degree in physics from the University of Stuttgart, Stuttgart, Germany, in 1982. From 1982 to 1984 he worked at the “Max-Planck-Institut für Festkörperforschung”, Stuttgart, Germany, in the group of Prof. M. Cardona before joining the Fraunhofer-Institute for Applied Solid State Physics, Freiburg, Germany, in 1985. There he is currently deputy director and head of the Department “Optoelectronic Modules”. He is also Professor at the Institute of Physics of the University of Freiburg and an associated member of the Materials Research Center Freiburg (FMF). His current research interests include III/V-semiconductor heterostructures and their application in optoelectronic devices both for the infrared and the visible/uv spectral range. He is author or coauthor of more than 400 scientific publications including several review papers and book chapters.

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Received: 2013-9-10
Accepted: 2013-10-15
Published Online: 2013-11-13
Published in Print: 2013-12-01

©2013 by THOSS Media & De Gruyter Berlin Boston

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https://doi.org/10.1515/aot-2013-0053
Keywords for this article
beam combining; optical sensing; quantum cascade lasers; remote sensing; sensors; stand-off detection; OCIS codes: 120.0280; 140.3298; 140.5965; 260.3060; 280.4788

Articles in the same Issue

  1. Masthead
  2. Masthead
  3. Views
  4. State of photonics-related industry in Japan: Digital economy is creating a deep integration in East Asia
  5. Transferring diffractive optics from research to commercial applications: Part I – progress in the patent landscape
  6. Community
  7. News from the European Optical Society
  8. Conference Notes
  9. Conference Calendar
  10. Topical Issue: Remote Sensing
  11. Editorial
  12. Remote sensing
  13. Tutorial
  14. Speckle effects in target-in-the-loop laser beam projection systems
  15. Review Articles
  16. Laser gated viewing at ISL for vision through smoke, active polarimetry, and 3D imaging in NIR and SWIR wavelength bands
  17. Infrared detectors for space applications
  18. Research Article
  19. Alternative design for extremely large telescopes and options to use the VATT for ELT design demonstration
  20. Letters
  21. Holographic wavefront sensor for fast defocus measurement
  22. Beam combining of quantum cascade lasers for remote sensing
  23. Review Article
  24. Design of freeform optics
  25. Research Article
  26. NIR cutoff filter for true color imaging sensors
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