Asymmetric spline surfaces - Characteristics and applications

Details Asymmetric spline surfaces - Characteristics and applications Asymmetric spline surfaces - Characteristics and applications

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apopt..23.2710s&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 23, Aug. 15, 1984, p. 2710-2714. NASA-supported research.

Physics

Optics

4

Aberration, Cassegrain Optics, Optical Correction Procedure, Spline Functions, Surface Geometry, Wave Front Deformation, Asymmetry, Error Analysis, Focal Plane Devices, Image Resolution, Lens Design, Optical Equipment, Optimization, Root-Mean-Square Errors, Systems Engineering

Scientific paper

Asymmetric spline surfaces appear useful for the design of high-quality general optical systems (systems without symmetries). A spline influence function defined as the actual surface resulting from a simple perturbation in the spline definition array shows that a subarea is independent of others four or more points away. Optimization methods presented in this paper are used to vary a reflective spline surface near the focal plane of a decentered Schmidt-Cassegrain to reduce rms spot radii by a factor of 3 across the field.

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