Method and apparatus for coupling high energy laser to fiberopti

Details Method and apparatus for coupling high energy laser to fiberopti Method and apparatus for coupling high energy laser to fiberopti

1990-01-18

1991-09-03

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

385 15, G02B 632

Patent

active

050447173

ABSTRACT:
A high energy laser-to-fiberoptic waveguide coupling method and apparatus is disclosed for optically coupling substantially all of the beam of a high energy laser into a small diameter optical fiber. High energy lasers often generate beams having cross-sectionally non-uniform energy densities. The coupling apparatus includes an optical fiber segment located between the laser and the small diameter optical fiber, for receiving substantially all of the non-uniform beam and for transforming it into a circular cross-section beam of uniform energy density. Substantially all of the uniform beam is directed into the small diameter optical fiber.

REFERENCES:
patent: 4681396 (1987-07-01), Jones
patent: 4732448 (1988-03-01), Goldenberg
patent: 4784135 (1988-11-01), Blum et al.
patent: 4799754 (1989-01-01), Goldenberg
patent: 4842360 (1989-06-01), Caro et al.
patent: 4844574 (1989-07-01), Chande
patent: 4929045 (1990-05-01), Fuller

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