Optodynamic monitoring of laser micro-drilling of glass by using a laser probe |
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Authors: | Rok Petkovšek Aleš Babnik Janez Diaci Janez Možina |
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Institution: | (1) Faculty of Mechanical Engineering, University of Ljubljana, Askerceva 6, 1000 Ljubljana, Slovenia |
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Abstract: | We present a new method for monitoring of the laser micro-drilling process. The method is based on detection of acoustic waves
in air above the processed sample using a laser beam deflection probe (LBDP). We present an augmentation of the experimental
set-up by means of a digital micrographic system which enables the acquisition of images of the plasma plume and of the hole
cross-section during a drilling sequence. Comparing the acquired images with the detected LBDP signals, we examine the drilling
process from a new perspective. |
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Keywords: | PACS" target="_blank">PACS 52 38 Mf 43 35 Yb 42 62 Cf |
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