Recording method including emitting laser light from optical fiber array to record image formed of writing units with moving recording target and the optical fiber array relatively using recording device including laser light-emitting elements and emitting unit including the optical fiber array where optical fibers for guiding laser light from the laser light-emitting elements are aligned wherein (AD/AC) that is ratio of length of diagonal line AD to length of diagonal line AC in the image formed in a manner that at least part of the writing units are overlapped one another in the main-scanning direction is 1.05 or greater.

The fiber array assemblies include an interdigitated signal-fiber array supported on a support substrate and formed by front-end sections of first signal fibers interdigitated with either front-end sections of second signal fibers or spacer fibers. The assemblies also include a fiber pusher device that may comprise glass and first and second ends. The fiber pusher device is disposed so that its first and second ends contact and push against first and second edges of the interdigitated signal-fiber array to remove gaps between adjacent signal fibers. A cover sheet is disposed atop the interdigitated signal-fiber array and covers at least a portion of the fiber pusher device to define a ferrule. A securing material is disposed within a ferrule interior to secure the cover sheet, the interdigitated signal-fiber array and the fiber pusher devices. The fiber array assemblies can be connectorized by adding an interconnect device or the like.

An optical cross-connect component mutually connecting an end of a first optical fiber group and an end of a second optical fiber group is disclosed. The optical cross-connect component includes a plurality of first connectors housing therein the end of the first optical fiber group, and a plurality of second connectors housing therein the end of the second optical fiber group. The mn optical fibers in the first optical fiber group are housed in any of the plurality of first connectors, and the mn optical fibers in the second optical fiber group are housed in any of the plurality of second connectors. The end of the first optical fiber group and the end of the second optical fiber group are connected so as to be butted to each other.

An optical cross-connect component mutually connecting an end of a first optical fiber group and an end of a second optical fiber group is disclosed. The optical cross-connect component includes a plurality of first connectors housing therein the end of the first optical fiber group, and a plurality of second connectors housing therein the end of the second optical fiber group. The m?n optical fibers in the first optical fiber group are housed in any of the plurality of first connectors, and the m?n optical fibers in the second optical fiber group are housed in any of the plurality of second connectors. The end of the first optical fiber group and the end of the second optical fiber group are connected so as to be butted to each other.

Methods for fabricating connectors for multilayered optical waveguides, as well as apparatuses for multilayered optical waveguides that embody ferrules and connectors. The method of fabricating a connector includes the steps of: stacking in a containing unit of a ferrule, a plurality of optical waveguides that are each preliminarily formed in the shape of layers; and injecting resin or adhesive through a space lying between the plurality of optical waveguides and the containing unit of the ferrule, with the plurality of optical waveguides contained in a stacked manner so that resin or adhesive reaches each of the plurality of optical waveguides.

An optical cross-connect component is disclosed. The optical cross-connect component includes an optical fiber group having m?n optical fibers, one ends and the other ends of the m?n optical fibers being arranged in a matrix of m rows?n columns, a plurality of first connectors housing the one ends of the optical fiber group, and a plurality of second connectors housing the other ends of the optical fiber group. The m?n optical fibers are housed in any of the plurality of first connectors, and one first connector collectively houses therein n optical fibers arranged in at least any one row of the m rows. The m?n optical fibers are housed in any of the plurality of second connectors, and one second connector collectively houses therein m optical fibers arranged in at least any one column of the n columns.

A ferrule has a receiving area for receiving and securing an optical waveguide and an optical element for receiving light from an optical waveguide received and secured at the receiving area and changing at least one of a divergence and a propagation direction of the received light. A plurality of registration features are configured to permit a stacking of the ferrule in a stacking direction such that the ferrules in the stack are aligned relative to each other along a length of the ferrule and along a direction perpendicular to the stacking direction.

A ferrule (10) has a receiving area for receiving and securing an optical waveguide (20) and an optical element (13) for receiving light from an optical waveguide received and secured at the receiving area and changing at least one of a divergence and a propagation direction of the received light. A plurality of registration features (30, 31, 32, 33, 34) are configured to permit a stacking of the ferrule in a stacking direction such that the ferrules in the stack are aligned relative to each other along a length of the ferrule and along a direction perpendicular to the stacking direction.

An optical ferrule includes an optical coupling member with a light redirecting element that redirects input light from a waveguide toward an output window. The optical coupling member has a mating surface configured to slidably mate with a mating optical coupling member along a longitudinal axis of the optical ferrule. The optical ferrule also includes at least one stacking member along a longitudinal edge of the optical coupling member. The stacking member has a distal end extending beyond one of the mating surface and a top surface opposed to the mating surface. The stacking member also has a contact surface opposed to the distal end. The contact surface is configured to rotatably interface with a corresponding distal end of a of an adjacently stacked optical ferrule.

The present disclosure relates to a two-dimensional fiber array structure including a base which includes a baseboard, a cover board and a spacer layer, and an optical fiber cable is positioned between the baseboard and the cover board, positioning fibers are positioned at two external sides of the optical fiber cable, the spacer layer is abutted with two adjacent fiber layers of the optical fiber cable to reduce the position tolerance along X axis for further improving accuracy, whereby ensuring quality and stability of transmitting optical signal.