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Observation of damage generation induced by electron excitation and stress wave propagation during ultrashort pulse laser drilling of sapphire
Ultrashort pulse laser processing is garnering significant attention as a method for processing sapphire. However, its preciseness is an issue owing to severe damage generated around a processed shape. In this...
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High-speed observation of pulse energy and pulse width dependences of damage generation in SiC during ultrashort pulse laser drilling
Ultrashort pulse laser processing is a potential method for microfabricating silicon carbide (SiC). However, it is difficult to precisely process SiC using this method because numerous damages are generated ar...