Abstract
The scope of this study is to investigate the utilization of optical and acoustic emissions, originating from the processing zone, for monitoring of the percussion laser drilling process. For that purpose, an acoustic microphone and photodiodes were off-axially arranged, relatively to the laser beam, and for both types the correlation between the sensor output and the geometry of the hole was theoretically investigated. The results have been compared with the experimental data.The scope of this study is to investigate the utilization of optical and acoustic emissions, originating from the processing zone, for monitoring of the percussion laser drilling process. For that purpose, an acoustic microphone and photodiodes were off-axially arranged, relatively to the laser beam, and for both types the correlation between the sensor output and the geometry of the hole was theoretically investigated. The results have been compared with the experimental data.
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