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A NEW APPROACH TO SURFACE DEFORMATION MEASUREMENT FROM PHASE-STEPPED HOLOGRAPHIC FRINGES
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UNSPECIFIED (1995) A NEW APPROACH TO SURFACE DEFORMATION MEASUREMENT FROM PHASE-STEPPED HOLOGRAPHIC FRINGES. JOURNAL OF MODERN OPTICS, 42 (6). pp. 1271-1279. ISSN 0950-0340.
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Abstract
A phase-stepping technique using a dual reference beam, fibre-optic holographic system is presented and applied to a surface deformation measurement. A hologram is produced with dual reference beams and then reconstructed with both reference beams. Phase variation is achieved by a change of viewing point on the holographic plate. The three phase-stepped holographic images are captured with a CCD camera mounted on a linear translator. The main advantage of this technique is the elimination of the use of a piezoelectric transducer for generating phase-stepped images. Results are obtained for the measurement of the surface deformation of uniformly loaded circular plates.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF MODERN OPTICS | ||||
Publisher: | TAYLOR & FRANCIS LTD LONDON | ||||
ISSN: | 0950-0340 | ||||
Official Date: | June 1995 | ||||
Dates: |
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Volume: | 42 | ||||
Number: | 6 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 1271-1279 | ||||
Publication Status: | Published |
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