Optical fiber laser and geometric coupler

Details Optical fiber laser and geometric coupler Optical fiber laser and geometric coupler

1992-12-18

1993-12-07

Gonzalez, Frank

Optical waveguides

With optical coupler

Input/output coupler

385 34, 385 89, 385119, 385121, 372 6, 372 70, 372 71, G02B 632, H01S 3094

Patent

active

052689786

ABSTRACT:
In an optical coupling system for a fiber laser, a cylindrical lens extends parallel to a number of aligned light sources and a series of aligned input ends of optical fibers facing the light sources. Output ends of the fibers pass light to a solid state medium in a laser cavity. A block with precision grooves holds the fibers to align them with the lens and the images of the light sources. The cylindrical lens is biaspheric with a longitudinal axis and two refractive surfaces whose axially transverse cross-sections follow paths other than the paths of a conic section.

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