Flexible and high-resolution surface metrology based on stitching interference microscopy
Optics and Lasers in Engineering(2022)
摘要
•Optical surface metrology based on stitching interference microscopy.•Flexible adaptability to sophisticated variation of the aspheric surface shape.•"One-stop" measurement of surface form, waviness and roughness simultaneously.•Applied to even asphere, “gull-wing” surface and microstructured curved surface.•Verified with CGH null test and stylus profilometry for 10 mm-class optics.
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关键词
Optical surface metrology,Interference microscopy,Stitching,Aspherical surface
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