Optical system for measuring shadowgraph data

Details Optical system for measuring shadowgraph data Optical system for measuring shadowgraph data

1982-10-15

1985-02-19

Rosenberger, R. A.

Optics: measuring and testing

By polarized light examination

With light attenuation

33227, 33264, 33286, 356138, G01B 1124

Patent

active

045002061

ABSTRACT:
An optical system for measuring azimuth and elevation angular data for making a shadowgraph of an object under study. The system includes a pair of scaled assemblies which are secured together perpendicular to each other, with each of the scaled assemblies having degree markings thereon. An object under study, such as a scale model of an aircraft, is positioned within an imaginary sphere formed by the two scaled assemblies. Azimuth and elevation angular measurements are then obtained by the use of laser systems as the model aircraft is rotated within the imaginary sphere of the ring assemblies.

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