Mid-infrared upconversion spectroscopy

Peter Tidemand-Lichtenberg, Jeppe Seidelin Dam, H. V. Andersen, Lasse Høgstedt, Christian Pedersen

Research output: Contribution to journalJournal articleResearchpeer-review

1249 Downloads (Pure)


Mid-infrared (MIR) spectroscopy is emerging as an attractive alternative to near-infrared or visible spectroscopy. MIR spectroscopy offers a unique possibility to probe the fundamental absorption bands of a large number of gases as well as the vibrational spectra of complex molecules. In this paper we discuss non-collinear upconversion as a means for obtaining MIR spectra in the 5-10 μm range with a resolution better than 20 cm-1 over the full interval using four discrete phase-match settings. A theoretical treatment of non-collinear upconversion is given and two different experimental implementations are tested.
Original languageEnglish
JournalJournal of the Optical Society of America B: Optical Physics
Issue number11
Pages (from-to)D28-D35
Publication statusPublished - 2016


  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics
  • Optics
  • Complex molecules
  • Discrete phase
  • Mid-infrared spectroscopy
  • MIR spectroscopy
  • Near Infrared
  • nocv1
  • Theoretical treatments
  • Up-conversion
  • Visible spectroscopy
  • Infrared devices


Dive into the research topics of 'Mid-infrared upconversion spectroscopy'. Together they form a unique fingerprint.

Cite this