Moire topography by slit beam scanning

A new method of moire topography is suggested in which a slit beam is used in a scanning mode to generate moire fringes. One remarkable feature of this method is that, as opposed to existing shadow and projection types, height differences between two consecutive fringes become constant so that absolute fringe orders need not be identified. This advantage makes it possible to measure three-dimensional surface profiles in an automatic manner simply by using a computer-aided image-processing technique. In addition this method can be easily implemented in a conventional coordinate measuring machine with a minimum addition of optical hardware.
Publisher
Optical Soc Amer
Issue Date
1992-10
Description

This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://ao.osa.org/abstract.cfm?id=40150. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law

Keywords

PROJECTION MOIRE; SHAPES

Citation

APPLIED OPTICS, v.31, no.28, pp.6157 - 6161

ISSN
0003-6935
URI
http://hdl.handle.net/10203/1652
Appears in Collection
ME-Journal Papers(저널논문)
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