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Published on: February 26, 2010
Dual-wavelength diode-seeded Ti:sapphire laser for differential absorption lidar applications
1Laboratoire de Spectrométrie Ionique et Moléculaire, Unite Mixte de Recherche 5579, Université Claude Bernard Lyon 1, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France.
Abstract:
A dual-wavelength, diode-seeded, flash-lamp-pumped Ti:sapphire laser system has been developed. Injection seeding allowed the attainment of high output energies (130 mJ), narrow linewidth (250 MHz), and high reliability. Furthermore, an original method is presented for dual-wavelength operation, using diode current sweeping. These specifications are ideal for differential absorption lidar applications, and the example of NO(2) detection is presented. Extension to other pollutants is discussed.
