National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Deflection Measurement by Position Detection of the Laser Beam
Šarbort, Martin ; Řeřucha, Šimon ; Jedlička, Petr ; Lazar, Josef
We present a high precision angular deflection measurement system based on a triangulation method which provides resolution below 1 microradian within a range of several degrees. It is based on a triangulation method and a numerical position detection of the laser beam spot on a CCD/CMOS sensor. The experimental results indicate that the assembled instrument achieves a measurement error of 0.12 microrad in the range ± 0.6 degrees over the period of one hour.

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