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Quantum cascade laser operation with high duty cycle
(2001)Trends in Optics and Photonics Series ~ Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical DigestOther Conference Item -
Mobile photoacoustic trace-gas monitoring using high power quantum cascade lasers as pump sources operated near room temperature
(2001)Trends in Optics and Photonics Series ~ Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical DigestSummary form only given. Photoacoustic detection offers the advantage of wavelength-independent and simple operation and low cost. However, since the measurable photoacoustic signal is proportional to the laser power absorbed by the gas inside the detection cell, high power lasers are normally used as pump sources with typical output powers in the watt regime, e.g. line-tunable CO/sub 2/ lasers. The highly sensitive multipass resonant ...Other Conference Item