Abstract
A compact and reliable linear-beam Nd:YVO4/PPMgLN green laser pumped by an edge-emitting laser diode array (24 separate emitters with an overall length of 480 μm and a gross power of 45 W at 807.1 nm) is achieved. The independent 24-edge-emitting array can achieve poor spatial coherence and effectively reduce laser speckle effect. In the air-cooled (water-cooled) condition, the maximum output power is 8.64 W (11.10 W), the optical-optical conversion efficiency is 24 % (25 %), and the power variation is less than 3 % (2 %) for 1 h (3 h).
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