A new Hartmann null screens for a better alignment and centroid evaluation to test a plane-convex spherical lens is presented. The designs of these screens are based on the knowledge of the caustic by refraction.
© 2010 OSA
(080.0080) Geometric optics : Geometric optics
(080.1010) Geometric optics : Aberrations (global)
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5710) Instrumentation, measurement, and metrology : Refraction
M. Avendaño-Alejo, D. González-Utrera, and R. Díaz-Uribe, "Hartmann Null Screen with Drop Shape Spots for Measure the Spherical Aberration in a Plane-Convex Lens," in International Optical Design Conference and Optical Fabrication and Testing , OSA Technical Digest (CD) (Optical Society of America, 2010), paper JMB7.
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