Knothe, M.M.KnotheRiedel, W.J.W.J.Riedel2022-03-082022-03-081991https://publica.fraunhofer.de/handle/publica/318927The paper reviews the influence of the optical design and of various optical components and their properties on the performance and the handling of tunable diode laser spectrometers for high-sensitivity trace gas measurement. The scheme of a novel White cell is introduced.enAbbildungselementalignment toolanastigmatic White cellanastigmatische White-Zellecoherentdiode laserDiodenlaserimaging elementinfraredInfrarotJustierwerkzeugkohärente Strahlungmonochromatoroptical feedbackoptische Rückkopplungradiation621conference paper