Optical circuit on printed circuit board

Apparatus for mounting a fiber optic circuit upon a printed circuit board that includes

• a printed circuit board,
• bend members each containing an arcuate guide surface having a predetermined radius of curvature that is within the bend tolerance of optical fibers used in the optic circuit,
• mounting means for selectively attaching the bend members at predetermined spaced apart locations on the upper surface of the board;
• support members attached to the upper surface of said board for mounting passive optical circuit components between two spaced apart bend members, said bend members and said support members being formed of a material that has a thermal coefficient of expansion that is about equal to that of said board, wherein said optical circuits include coupler means for optically connecting active optical circuit components that are mounted on said board to said fiber optic circuit and run means on said board for electrically connecting the active component to an electrical header mounted on said board, and
• a pump laser that is coupled to the fiber optic circuit and the electrical header.

Apparatus for mounting a fiber optic circuit upon a printed circuit board that includes

• a printed circuit board,
• bend members each containing an arcuate guide surface having a predetermined radius of curvature that is within the bend tolerance of optical fibers used in the optic circuit, wherein said arcuate shaped guide surfaces of said bend members subtend an arc of 90° or less,
• mounting means for selectively attaching the bend members at predetermined spaced apart locations on the upper surface of the board.
• support members attached to the upper surface of said board for mounting passive optical circuit components between two spaced apart bend members, said bend members and said support members being formed of a material that has a thermal coefficient of expansion that is about equal to that of said board, and
• a pair of spaced apart mandrels mounted upon said board about which spliced sections of the fiber optic circuit are wound, each mandrel being formed by a plurality of circumferentially aligned bend members.

Apparatus for mounting fiber optic circuitry upon a printed circuit board that includes

• a printed circuit board having a flat planar upper surface containing electrical circuitry thereon,
• support members attached to the upper surface of the circuit board for mounting optical components containing optical fibers for carrying optical signals into and out of said components,
• bend members mounted upon the upper surface of said board containing arcuate guide surfaces for physically engaging the optical fibers on the inside of each bend and directing said optical fibers toward and away from said optical components, each guide surface having a radius of curvature that is within the bend tolerance of the optical fibers, and
• said bend members and said support members being formed of a material that has a thermal coefficient of expansion about equal to that of the optical fibers.

An opto-electronic device comprising:

• a substrate containing both electrical and optical circuitry on the upper surface of the substrate;
• an optical device attached to the upper surface of said substrate;
• a plurality of optical fibers connected to said optical device;
• a plurality of fiber guides attached to the upper surface of said substrate and disposed to direct said plurality of optical fibers, said plurality of fiber guides each having at least one arcuate guide surface;
• a pair of spaced apart mandrels mounted upon the upper surface of said board about which spliced sections of said optical fibers are wound, each mandrel being formed by a plurality of circumferentially aligned fibers guides;
• and
• an electronic device attached to the upper surface of said substrate.

Apparatus for mounting fiber optic circuits that includes

• a substrate containing both electrical and optical circuitry on the upper surface of the substrate,
• bend members each containing an arcuate guide surface having a predetermined radius of curvature that is within the bend tolerance of optical fibers used in said optical circuitry, wherein said bend members are attached to the upper surface of said substrate,
• support members attached to the upper surface of said substrate for mounting optical circuit components between spaced apart bend members, and
• a pair of spaced apart mandrels mounted to the upper surface of said substrate about which spliced sections of said fiber optic circuitry are wound, each mandrel being formed by a plurality of circumferentially aligned bend members.

Apparatus for mounting a fiber optic circuit and electrical circuitry that includes

• a substrate,
• bend members each containing an arcuate guide surface having a predetermined radius of curvature that is within the bend tolerance of optical fibers used in the optic circuit, wherein said bend members are attached to said substrate,
• support members attached to the substrate for mounting passive optical circuit components between two spaced apart bend members, wherein said optical circuit includes an optical coupler connecting active optical circuit components that are attached to said fiber optic circuit and said electrical circuitry including an electrical header mounted on said substrate electrically connected to the active optical circuit component, and
• a pump laser that is coupled to the fiber optic circuit and the electrical header.

Apparatus for mounting a fiber optic circuit that includes

• a substrate,
• bend members each containing an arcuate guide surface having a predetermined radius of curvature that is within the bend tolerance of optical fibers used in the optic circuit, wherein said arcuate shaped guide surfaces of said bend members subtend an arc of 90° or less, wherein said bend members are attached to said substrate,
• support members attached to said substrate for mounting passive optical circuit components between two spaced apart bend members, and
• at least one mandrel attached to the substrate about which spliced sections of the fiber optic circuit are wound.

Apparatus for mounting fiber optic circuitry and electrical circuitry that includes

• a substrate having a flat upper surface containing fiber optic circuitry and electrical circuitry thereon,
• support members attached to the upper surface of said substrate for mounting optical components containing optical fibers for carrying optical signals into and out of said components,
• bend member attached to said substrate and containing arcuate guide surfaces for physically engaging the optical fibers and directing said optical fibers toward and away from said optical components, each guide surface having a radius of curvature that is within the bend tolerance of the optical fibers, and
• said bend members and said support members being formed of a material that has a thermal coefficient of expansion about equal to that of the optical fibers.