Topograph for Inspection of Engine Cylinder Walls
Applied Optics, Vol. 38, Issue 36, pp. 7375-7381 (1999)
http://dx.doi.org/10.1364/AO.38.007375
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Abstract
The microstructural inspection of engine cylinder walls is an important task for quality management in the automotive industry. Until recently, mainly tactile methods were used for this purpose. We present an optical instrument based on microscopic fringe projection that permits fast, reliable, and nondestructive measurements of microstructure. The field of view is 0.8 mm × 1.2 mm, with a spatial sampling of 1100 × 700 pixels. In contrast to conventional tactile sensors, the optical method provides fast in situ three-dimensional surface characterizations that provide more information about the surface than do line profiles. Measurements are presented, and advantages of this instrument for characterization of a surface are discussed.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(180.0180) Microscopy : Microscopy
(180.6900) Microscopy : Three-dimensional microscopy
(240.0240) Optics at surfaces : Optics at surfaces
(240.5770) Optics at surfaces : Roughness
Citation
Stefan Franz, Klaus Leonhardt, Robert Windecker, and Hans J. Tiziani, "Topograph for Inspection of Engine Cylinder Walls," Appl. Opt. 38, 7375-7381 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-36-7375
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