Abstract
Laser-Induced Plasma-Assisted Ablation (LIPAA) is an advanced machining process, in which, the laser beam passes through the substrate and irradiates the target metal placed behind the transparent material. The laser fluence is set above the ablation threshold of the target metal and below the ablation threshold of the transparent material. As the laser beam reaches the target metal, plasma-generated flies towards the substrate at a high speed of approximately 104 m/s resulting in both target and glass substrate removal. In the present work, a systematic experimental study has been carried out to study of the effects of laser parameters (scanning speed, laser peak power and pulse duration) on crater width of glass. Glass material was successfully processed using Nd:YAG laser. Microscopic studies have been carried out to understand the mechanism of ablation. Results provide useful guidelines to create features on transparent material.
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