Tunable Diode Lasers: Expanding the Horizon for Laser Absorption Spectroscopy

Recent advances in broadly tunable telecommunications lasers will enable new approaches to laser absorption spectroscopy and greatly expand the ability of existing laser-based systems to perform trace gas detection. Researchers have already begun adopting these lasers in tunable diode laser absorption spectroscopy, photo-acoustic absorption spectroscopy and cavity ring-down spectroscopy.

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