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THICKNESS OF PLEXIGLASS
LASER SENSORS TO MEASURE THE THICKNESS OF PLEXIGLASS
LASER SENSORS WITH BLUE WAVELENGTHS ARE USED TO MEASURE TRANSLUCENT MATERIALS
The thickness measurement of Plexiglas sheet is a very common application for laser displacement sensors. These product are often extruded between two polished rollers to squeeze the material into the desired thickness. This thickness must be measured and verified for in-process quality control. While any laser displacement sensor might measure to opaque polymer sheets, it is the translucent or transparent materials that require laser sensors with blue wavelength. These sensors, along with advanced detector electronics, reliably measure off the top surface and do not penetrate the material.