Patent ID: 9223123
Filing Date: 2015-12-29
Classification: G02B,H01S

Abstract:
1. A method of coupling laser light derived from at least two laser sources into one optic fiber, consisting in passing a laser beam from each of the laser sources through a corresponding first optical system, single reflection from a corresponding substantially flat individual reflecting surface towards an input facet of the fiber and focusing the laser beam by a second optical system on the input facet, wherein the laser light is emitted by laser modules ( 1 ) each comprising single laser source in an individual module housing ( 2 ), with the first optical system ( 4 ) connected with this housing ( 2 ) in a fixed position with respect to the housing ( 2 ), and in the housing ( 2 ) of each laser module ( 1 ) is mounted in a holder ( 17 , 20 ), the second optical system ( 9 ) is placed directly in front of the input facet ( 10 ′) of the fiber ( 10 ), a first optical axis ( 12 ) of each first optical system ( 3 ) forms with a second optical axis of the second optical system ( 9 ) an angle (α) ranging from 45 (α′) to 145 (α″) degrees, characterized in that each of the individual reflecting surface ( 7 ) is on oblique truncations of one of a plurality of rods ( 15 , 19 ) whose axes are parallel to the second optical axis ( 13 ) of the second optical system ( 9 ).