Physics – Optics
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apopt..19..487l&link_type=abstract
Applied Optics, vol. 19, Feb. 15, 1980, p. 487, 488.
Physics
Optics
Aberration, Adaptive Optics, Lens Design, Optical Correction Procedure, Numerical Control
Scientific paper
A method for the automatic reduction of the aberrations of optical systems to prescribed values is presented. The method consists of determining the values of system aberrations, the aberration requiring the most correction, the partial derivatives of all the aberrations with respect to each of the usable system variables, and then the increment in each of the variables for which the variation in each of the aberrations is linear. A number of variables corresponding to the number of aberrations required to have prescribed values is then selected, and the previously determined increment of one of the variables is applied to the system so that the greatest aberration approaches its prescribed value; the variable providing the largest correction to the major aberration is then determined. The process is repeated for the remaining aberrations and iterated in order to find a specification for which all the aberrations have their prescribed values. The procedure is illustrated for the selection of glasses for a cemented quadruplet superachromat.
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