Passively Q-switched Nd:YAG/Cr4+:YAG all-ceramics, composite, monolithic micro-lasers with multi-beam output for laser ignition

Abstract

Laser-induced ignition offers significant advantages over a conventional spark-ignition system, such as higher probability to ignite leaner mixtures, reduction of erosion effects, increases of engine efficiency, or shorter combustion time [1]. An end-pumped Nd:YAG laser, passively Q-switched by Cr4+:YAG saturable absorber is the most suitable for engine… (More)

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