Most quality control measurements for optical grade surfaces are completed in tightly controlled metrology labs, with vibration isolation and carefully monitored air flow and temperature. test 4D Technology dynamic laser interferometers enable precision measurement right on the factory floor, without additional vibration or air flow controls. 4D Twyman-Green and Fizeau interferometers allow fast, easy setup and measurement of flat and spherical elements, prisms, corner cubes and optical systems. Production-oriented features and industry-leading data analysis software make it efficiently test part after part, even in the presence of significant vibration and air turbulence. |
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