Optical fiber laser and geometric coupler

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

G - Physics

02

B

G02B 6/26 (2006.01) G02B 6/28 (2006.01) G02B 6/42 (2006.01) H01S 3/091 (2006.01) H01S 3/0941 (2006.01) H01S 3/067 (2006.01) H01S 5/40 (2006.01)

Patent

CA 2127288

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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