Modified point diffraction interferometer for inspection and evaluation of ophthalmic components
JOSA A, Vol. 23, Issue 3, pp. 632-637 (2006)
http://dx.doi.org/10.1364/JOSAA.23.000632
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Abstract
We demonstrate that a modified point diffraction interferometer can be used to measure the power distribution of different kinds of ophthalmic lenses such as spectacles, rigid and soft contact lenses, progressive lenses, etc. The relationship between the shape of the fringes and the power characteristics of the component being tested is simple and makes the design a very convenient and robust tool for inspection or quality control. Some simulations based on the Fresnel approximation are included.
© 2006 Optical Society of America
OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4630) Instrumentation, measurement, and metrology : Optical inspection
(220.4840) Optical design and fabrication : Testing
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: May 2, 2005
Revised Manuscript: July 6, 2005
Manuscript Accepted: July 9, 2005
Virtual Issues
Vol. 1, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Eva Acosta, Sara Chamadoira, and Ralf Blendowske, "Modified point diffraction interferometer for inspection and evaluation of ophthalmic components," J. Opt. Soc. Am. A 23, 632-637 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-23-3-632
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