Instrumentation, Techniques, and Measurement

Equations to estimate the wavefront surface in the Hartmann test for lenses: comparison between two wavefront estimations when the Hartmann screen is close to the test lens

[+] Author Affiliations
Alejandro Téllez-Quiñones, Daniel Malacara-Doblado

Centro de Investigaciones en Óptica A.C., Loma del Bosque 115 Col. Lomas del Campestre, León-Guanajuato 37150, México

Jorge García-Márquez

Oledcomm, 10 avenue de I’Europe, Vélizy-Villacoublay 78140, France

D. Asael Gutiérrez-Hernández

Instituto Tecnológico de León, Av. Tecnológico s/n Col. Industrial Julián Obregón, División de Estudios de Posgrado e Investigación, León-Guanajuato 37290, México

Opt. Eng. 55(3), 034103 (Mar 14, 2016). doi:10.1117/1.OE.55.3.034103
History: Received August 14, 2015; Accepted February 22, 2016
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Abstract.  When testing lenses with Hartmann methods, a wave aberration function W is typically estimated. This W represents the deviations of the wavefront surface w with respect to an ideal wavefront E. In this test, the distance r from the observation screen to the second lens surface is considered, and, as in the case of W, by considering paraxial approximations, two estimations of w can be directly constructed from Hartmann test data without calculating W. We have compared these two estimations by taking into account small r values; a possible and suitable condition to measure some relatively high-power lenses. The importance of estimating w can be useful for improving some optical measurements as power map reconstructions.

Figures in this Article
© 2016 Society of Photo-Optical Instrumentation Engineers

Topics

Lenses ; Wavefronts

Citation

Alejandro Téllez-Quiñones ; Daniel Malacara-Doblado ; Jorge García-Márquez and D. Asael Gutiérrez-Hernández
"Equations to estimate the wavefront surface in the Hartmann test for lenses: comparison between two wavefront estimations when the Hartmann screen is close to the test lens", Opt. Eng. 55(3), 034103 (Mar 14, 2016). ; http://dx.doi.org/10.1117/1.OE.55.3.034103


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