Holographic apparatus to measure the surface figure of a nonline

Details Holographic apparatus to measure the surface figure of a nonline Holographic apparatus to measure the surface figure of a nonline

1981-05-13

1983-02-08

Corbin, John K.

Optics: measuring and testing

By particle light scattering

With photocell detection

G01B 9021

Patent

active

043726844

ABSTRACT:
A method and apparatus are disclosed for testing nonlinear axicons utilizing holographic interferometry with simple, low cost, optical elements and with a new technique illuminating the entire surface under test.
A similar method and apparatus are also disclosed as useful in testing plane or convex mirrors.

REFERENCES:
patent: 3797938 (1974-03-01), Heflinger et al.
Hansler, "Application of Holographic-Interferometry to the Comparison of Highly Polished Reflecting Surfaces", Applied Optics, vol. 7, No. 4, pp. 711-712, 4168.

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