order of aberration

order of aberration

[′ȯrd·ər əv ‚ab·ə′rā·shən]
(optics)
The sum of the powers to which the field height and the pupil coordinates are raised in describing a term in the decomposition of an aberration according to the degree of dependence on these variables.
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References in periodicals archive ?
The application provides menu-driven options to select the order of aberrations to be generated based on the Zernike polynomials and can be used for fine-tuning the system's optical alignment.
(6) The first order of aberrations describes the location of the image in space, being independent of its quality.