Displacement and strain calculations by the phase shift method
Applied Optics, Vol. 26, Issue 14, pp. 2747-2751 (1987)
http://dx.doi.org/10.1364/AO.26.002747
Acrobat PDF (582 KB)
Abstract
The phase shift method, well known in holographic interferometry, is applied to the deformation of line gratings. The method uses the moire effect but it determines local displacement or strain from the grey values of three shifted images instead of the coordinates of the fringes. The basic equations are derived from the transmittance function. The theoretical error with respect to a given displacement field is calculated by simulation. Real errors are investigated by related plotter-generated line gratings. The phase shift method is especially suitable for automatic digital image processing.
© 1987 Optical Society of America
Citation
Klaus Andresen, "Displacement and strain calculations by the phase shift method," Appl. Opt. 26, 2747-2751 (1987)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-26-14-2747
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Log in to access OSA Member Subscription
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Log in to access OSA Member Subscription
You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Log in to access OSA Member Subscription
« Previous Article | Next Article »
OSA is a member of 