Open AccessNull Ronchi-Hartmann test for a lens
Author(s) -
Maximino AvendañoAlejo,
Dulce González-Utrera,
Naser Qureshi,
L. Castañeda,
César L. OrdóñezRomero
Publication year - 2010
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.021131
Subject(s) - optics
A method to design Ronchi-Hartmann screens for improved alignment in the testing of fast plano-convex spherical lenses is presented. We design null screens that produce aligned straight fringes for observed patterns. The designs of these null screens are based on knowledge of the caustic by refraction. A qualitative test for a lens is presented.
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