Method and apparatus for high power optical fiber injection and

Details Method and apparatus for high power optical fiber injection and Method and apparatus for high power optical fiber injection and

1989-12-15

1991-01-15

Evans, F. L.

Optics: measuring and testing

Angle measuring or angular axial alignment

Alignment of axes nominally coaxial

2502014, 350 962, 356400, G01B 1127, G01J 120

Patent

active

049848852

ABSTRACT:
A method and apparatus for controlling injection of a high power beam into an optical fiber including generating a signal representative of a focus spot on an injection end of the optical fiber and adjusting the optical fiber injection end location dependent upon the representative focus spot signal. In one embodiment, the present system includes a vision system for generating the representative focus spot signal and a high speed vision processor coupled to the vision system. An x-y-z stage controller is coupled to the vision processor and receives image signals from the vision system. The controller is coupled to a fiber holder, and the controller generates control signals which control operation of the fiber holder. The fiber holder includes x-y-z axis stages and means for engaging the optical fiber.

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"Automated Single-Mode Fiber Alignment System" is a sales brochure of Newport Corporation.

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