Abstract:Optical limiting (OL) materials are of great importance for protecting optoelectronic sensors and human eyes from high power laser illumination. Despite extensive efforts on various OL materials (organic molecules, metal clusters, low dimensional semiconductors, etc.), however, a candidate OL material with ultrafast response speed, broad laser protection window and large transmission modulation remains elusive. Gallium oxide (β-Ga2O3) is one of the third generation wide-band gap semiconductors. Due to its larg… Show more
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