The developed instrument for CO_2 power laser beam diagnostic was implemented with a new module for beam position monitoring. The sensor module consists of a four quadrants full size 25x25 m~2 PVDF pyroelectric array. The beam centroid position is visualized in real time on a color LCD. This display is provided of a touch screen for a friendly use interface command. The instrument is interfaced with other measuring modules with pyroelectric matrix arrays.
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