Wolf, SebastianSebastianWolfHerbst, JohannesJohannesHerbstKühnemann, FrankFrankKühnemannLambrecht, ArminArminLambrecht2022-03-132022-03-132016https://publica.fraunhofer.de/handle/publica/39503210.1364/3D.2016.JW1F.6Signal upconversion by sum frequency generation is presented as a tool for fast, low-noise sensing of infrared radiation. Methane detection is demonstrated for laser-based and thermal illumination. Applicability towards further laser-based detection methods is considered.ensignal upconversioninfrared radiationmethane detectionLaser-Based Detectiongas spectroscopy621conference paper