XXIV. The third-order aberrations of a symmetrical optical instrument
نویسندگان
چکیده
منابع مشابه
Generation of third-order spherical and coma aberrations by use of radically symmetrical fourth-order lenses.
We have extended the method of Alvarez [J. Am. Optom. Assoc. 49, 24 (1978)] to generate a variable magnitude of third-order spherical and/or coma aberration by using a combination of fourth-order plates with a magnification system. The technique, based on the crossed-cylinder aberroscope, is used to measure the wave-front aberration generated by the plates. The method has been applied to correc...
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15 صفحه اولEffect of third-order aberrations on dynamic accommodation
We investigate the potential for the third-order aberrations coma and trefoil to provide a signed cue to accommodation. It is first demonstrated theoretically (with some assumptions) that the point spread function is insensitive to the sign of spherical defocus in the presence of odd-order aberrations. In an experimental investigation, the accommodation response to a sinusoidal change in vergen...
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ژورنال
عنوان ژورنال: The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
سال: 1915
ISSN: 1941-5982,1941-5990
DOI: 10.1080/14786440808635394