23 October 2001 Two-beam shearing interferometric method for testing a conical lens
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Abstract
We present a novel interferometric method for testing refractive conical lenses. The optical configuration requires only two mutually coherent plane wave fronts transmitted through the optical component under test. It can be interpreted as reversal shear interferometric technique. The method can also be considered as an interferometric fringe projection method. Measurements have been realized for determining the base angle of the refractive cone under test and the aberrations introduced.
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Marella De Angelis, Sergio De Nicola, Pietro Ferraro, Andrea Finizio, Giovanni Pierattini, "Two-beam shearing interferometric method for testing a conical lens", Proc. SPIE 4398, Optical Measurement Systems for Industrial Inspection II: Application in Industrial Design, (23 October 2001); doi: 10.1117/12.445555; https://doi.org/10.1117/12.445555
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