Coded-fringe interferometric method and device for wavefront det

Details Coded-fringe interferometric method and device for wavefront det Coded-fringe interferometric method and device for wavefront det

1991-04-11

1993-03-09

Turner, Samuel A.

Optics: measuring and testing

By particle light scattering

With photocell detection

356359, 356360, G01B 902

Patent

active

051929821

ABSTRACT:
For the detection of the wavefront of a beam, based on a Mach-Zehnder interferometric configuration, synchronous detection - which replaces a temporal scan or a spatial dimension of the array of sensors - is obtained by means of frequency coding of the fringes present in the function I(x,y).

REFERENCES:
patent: 3857636 (1974-12-01), Angelbeck

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