Plotting the topography of an optical surface in the testing of large optical elements by the Ronchi method.

Details Plotting the topography of an optical surface in the testing of large optical elements by the Ronchi method. Plotting the topography of an optical surface in the testing of large optical elements by the Ronchi method.

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990svjot..57..144r&link_type=abstract

Sov. J. Opt. Technol., Vol. 57, No. 3, p. 144 - 147

Computer Science

Optical Testing: Methods Of Reduction

Scientific paper

An algorithm is described for plotting the topography of an optical surface at the intersections of a square grid when the Ronchi method is used for the testing of large optical components. It is proposed in particular to use one-dimensional cubic Hermitian polynomials for an interpolation of the normal deviations at the intersections of the square grid, and a procedure is considered for a correlation of the horizontal and vertical profiles.

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