Abstract

A differential absorption lidar (DIAL) system, based on a tunable solid-state Ti:sapphire laser, was developed for nitric oxide monitoring in the UV region. The UV light was generated through second-harmonic generation (SHG) of sum-frequency mixing (SFM) between a Ti:sapphire laser, pumped by the SH of a Nd:YAG laser, and the fundamental of a second Nd:YAG laser. As a demonstration of DIAL capability, the spatial distribution of NO emission fromadiesel engine was investigated.

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