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Measurement of surface finish using an optical diffraction technique
S. Ramesh, B. Ramamoorthy
Published in Elsevier BV
1996
Volume: 195
   
Issue: 1-2
Pages: 148 - 151
Abstract
In recent years there has been considerable growth in the use of optical methods for evaluating surfaces. Conventional stylus techniques, though powerful, have their own limitations. These include the resolution of the stylus, and the damage caused by the moving diamond stylus when tracing profiles on soft materials. Hence non-contact methods of measuring surface finish of often required. One approach in this direction is the use of an optical diffraction technique. The unique properties of the diffraction phenomenon make this technique useful and the validity of this technique in the evaluation of surface finish is investigated in this paper.
About the journal
JournalData powered by TypesetWear
PublisherData powered by TypesetElsevier BV
ISSN00431648
Open AccessNo
Concepts (9)
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    Electromagnetic wave diffraction
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    OPTICAL FILTERS
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    Roughness measurement
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    OPTICAL DIFFRACTION TECHNIQUE
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    Surface finish
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    Surface roughness
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    Measurement techniques
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    OPTICAL TECHNIQUES
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    Roughness