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Image plane of a flat-top beam under the effect of the first 21 Zernike polynomials.
Image plane of a flat-top beam under the effect of the first 21 Zernike polynomials.
Effect of Zernike aberrations in Log scale. The intensity minima are visible.
Effect of Zernike aberrations in Log scale. The intensity minima are visible.
Laser guide stars assist in the elimination of atmospheric distortion.
Laser guide stars assist in the elimination of atmospheric distortion.
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A researcher working on an optical system
A researcher working on an optical system
The Nimrud lens
The Nimrud lens
Reproduction of a page of Ibn Sahl's manuscript showing his knowledge of the law of refraction
Reproduction of a page of Ibn Sahl's manuscript showing his knowledge of the law of refraction
The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604), generally recognized a
The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604), generally recognized as the foundation of modern optics.