Please use this identifier to cite or link to this item:
|Title:||Shape identification using phase shifting interferometry and liquid-crystal phase modulator|
|Authors:||Tay, C.J. |
|Citation:||Tay, C.J., Quan, C., Shang, H.M. (1998-11). Shape identification using phase shifting interferometry and liquid-crystal phase modulator. Optics and Laser Technology 30 (8) : 545-550. ScholarBank@NUS Repository. https://doi.org/10.1016/S0030-3992(99)00010-9|
|Abstract:||A phase shifting technique using a Michelson interferometry system is presented and applied to surface contour measurement. Hyperbolic fringes are produced by the interference of two spherical wavefronts expanded from a beam expander. The fringe pattern is projected on an object surface and the deformed grating image is captured by a CCD camera for subsequent analysis by a PC. Phase variation is achieved by a liquid-crystal device incorporated in the Michelson interferometry system. Results obtained using the proposed method for objects of various shapes and sizes compared well with those from a conventional profilometer.|
|Source Title:||Optics and Laser Technology|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Feb 15, 2019
WEB OF SCIENCETM
checked on Feb 6, 2019
checked on Feb 2, 2019
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.