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Gaussian image

American  

noun

Optics.

  1. the point in an optical system with spherical aberration at which the paraxial rays meet.

Example Sentences

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If the angle u1 be very small, O'1 is the Gaussian image; and O'1 O'2 is termed the ``longitudinal aberration,'' and O'1R the ``lateral aberration'' of the pencils with aperture u2.

From Project Gutenberg

If all three constants of reproduction be achromatized, then the Gaussian image for all distances of objects is the same for the two colours, and the system is said to be in ``stable achromatism.''

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.