Lens testing using total internal reflection holography

Details Lens testing using total internal reflection holography Lens testing using total internal reflection holography

1975-09-26

1976-12-14

Stern, Ronald J.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

350 35, G01B 902, G03H 104

Patent

active

039972666

ABSTRACT:
Accurate, rapid and inexpensive testing and inspecting of lens surfaces tugh holographic means requiring no beamsplitters, mirrors or overpower optics, and wherein a hologram formed in accordance with one aspect of the invention contains the entire interferometer and serves as both a master and illuminating source for both concave and convex surfaces to be so tested.

REFERENCES:
patent: 3551018 (1970-12-01), Stetson
patent: 3833301 (1974-09-01), Moore
Snow et al., Applied Optics, vol. 9, No. 4, Apr. 1970, pp. 822-827.

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