Simple technique for testing deep aspherical surfaces

Details Simple technique for testing deep aspherical surfaces Simple technique for testing deep aspherical surfaces

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999opten..38..650y&link_type=abstract

Optical Engineering 38(04), 650-654, Donald C. O'Shea; Ed.

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Scientific paper

A simple method to measure the aspherical surface of test elements by
immersing them in a liquid crystal container is presented. The theory of
the method is given and the experimental results of two lenses, one made
of a plane surface and a spherical surface and the other with a
spherical surface and an aspherical surface, are demonstrated.

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