In Situ Real-Time Measurement for Micro-Structured Surfaces

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40 Citations (Scopus)


A fundamentally improved technology for micro structured surface measurement, based on Wavelength Division Multiplexing (WDM) and Graphics Processing Unit (GPU) techniques is introduced. The WDM technique allows phase-to-depth implementation over large measurement ratios (range/resolution) while the GPU technique allows the analysis of the optical interferograms in real-time. This research attempts to create a new kind of full-field measurement to replace electro-mechanical scanning with white-light interferometry and to form a compact system that is fast, robust and suitable for in situ surface measurement. An experimental system has been developed for the manufacture of diamond turned/fly cut micro-structured surfaces on a large drum diamond turning machine (DTM).

Original languageEnglish
Pages (from-to)563-566
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Issue number1
Publication statusPublished - 18 Apr 2011


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