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Sagittal and meridional radii of curvature for a surface with symmetry of revolution by using a null-screen testing method |
Applied Optics, Vol. 52, Issue 4, pp. 625-634 (2013)
http://dx.doi.org/10.1364/AO.52.000625
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Abstract
An algorithm to compute the sagittal and meridional radii of curvature for a surface of revolution is presented. The sagittal radius is obtained from the surface normal, and the meridional radius is calculated from a function fitted to the derivative of the sagittal curvature by using the surface-normals raw data. A calibration spherical surface is tested by using the null-screen testing method. Experimental results of the spherical surface show that the sagittal and meridional radii of curvature differ by 2.600% and 2.604%, respectively, with respect to the actual radius of the calibration spherical surface.
© 2013 Optical Society of America
OCIS Codes
(080.0080) Geometric optics : Geometric optics
(080.2720) Geometric optics : Mathematical methods (general)
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(330.7325) Vision, color, and visual optics : Visual optics, metrology
(330.7327) Vision, color, and visual optics : Visual optics, ophthalmic instrumentation
ToC Category:
Geometric Optics
History
Original Manuscript: October 23, 2012
Revised Manuscript: December 14, 2012
Manuscript Accepted: December 17, 2012
Published: January 30, 2013
Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics
Citation
Amilcar Estrada-Molina, Manuel Campos-García, and Rufino Díaz-Uribe, "Sagittal and meridional radii of curvature for a surface with symmetry of revolution by using a null-screen testing method," Appl. Opt. 52, 625-634 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-4-625
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