Method and means for high resolution measurement of fiber diamet

Details Method and means for high resolution measurement of fiber diamet Method and means for high resolution measurement of fiber diamet

1984-09-07

1987-03-17

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

356385, G01N 2184, G01B 1110

Patent

active

046503226

ABSTRACT:
Changes in the diameter of a fiber are determined by directing a laser beam transversely onto the fiber and directing a fringe produced by the scattering of the beam to a photodiode array by means of a transforming lens. Circuitry is provided to detect movement of the fringe on the diode array thereby indicating changes in the diameter of the crystal fiber.

REFERENCES:
patent: 3937580 (1976-02-01), Kasdan
patent: 4021217 (1977-05-01), Bondybey et al.
patent: 4027977 (1977-06-01), Frazee, Jr. et al.

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