Current techniques for the surface figure metrology of complex shapes are limited. OptiPro Systems is developing a non-contact measurement system called UltraSurf. The goal is to characterize concave and convex surfaces of aspheric and freeform shapes up to 200 millimeters (mm) in diameter with precision and without the limitations associated with other measurement methods Measuring is done by using state of the art motion control components and a non-contact probe. In this work, we review the recent development of the UltraSurf system and the methods of surface measurement. In addition, future work and experimentations are discussed.
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