Abstract: A mobile object control device acquires a captured image obtained by capturing an image of surroundings of the mobile object by a camera mounted on a mobile object and an input directive sentence input by a user of the mobile object, inputs, when an image and a directive sentence are input, the captured image and the input directive sentence into a learned model learned to output one or more objects corresponding to the directive sentence in the image together with corresponding degrees of certainty to detect the one or more objects and the corresponding degrees of certainty, sequentially selects the one or more objects based on at least the degree of certainty and makes an inquiry to a user of the mobile object, and causes the mobile object to travel to an indicated position in the input directive sentence, which is specified based on a result of the inquiry.

Abstract: Provided is a mobile object control device including a storage medium storing a computer-readable command and a processor connected to the storage medium, the processor executing the computer-readable command to: acquire a photographed image, which is obtained by photographing surroundings of a mobile object by a camera mounted on the mobile object, and an input instruction sentence, which is input by a user of the mobile object; detect a stop position of the mobile object corresponding to the input instruction sentence in the photographed image by inputting at least the photographed image and the input instruction sentence into a trained model including a pre-trained visual-language model, the trained model being trained so as to receive input of at least an image and an instruction sentence to output a stop position of the mobile object corresponding to the instruction sentence in the image; and cause the mobile object to travel to the stop position.

Abstract: A cutting device that cuts, with a predetermined length, an elongated GRIN lens fused with an optical fiber with tips thereof abutting each other, the cutting device including: a fiber holder placing unit on which a fiber holder for holding the optical fiber is placed; a lens holder placing unit on which a lens holder for holding the GRIN lens is placed; and a cutting unit arranged between the fiber holder placing unit and the lens holder placing unit, wherein the fiber holder placing unit includes a positioning unit for positioning the fiber holder placed thereon, and the lens holder placing unit includes a positioning unit for positioning the lens holder placed thereon.

Abstract: According to the present invention, provided is a connection structure for lensed optical fibers, which is configured to establish PC connection of lensed optical fibers (1) each including an optical fiber (2) and a GRIN lens (3) that has a rod-like shape and is coaxially fused to a tip of the optical fiber, wherein each of the lensed optical fibers (1) includes an end surface (31) subjected to spherical polishing, and wherein the end surface (31) has a curvature radius (R) satisfying conditions expressed by the following relations (1) and (2): (W/2a)?1??(1); and a=(R·F·(¾)·(1?v2/E))1/3??(2), where W represents a beam diameter, “a” represents a radius of a contact surface, F represents a pressing force at the time of PC connection, “v” represents a Poisson's ratio of the GRIN lens, and E represents a Young's modulus of the GRIN lens.

Abstract: A lensed optical fiber in which a rod-shaped GRIN lens is fused at the tip of an optical fiber is manufactured by executing: a step for fusing together an optical fiber (2) held by a fiber holder (20) and a GRIN lens (3) held by a lens holder (30) with the tips thereof abutting each other; a step for moving the lens holder (30) in the direction away from the fiber holder (20), while relaxing the holding force of the lens holder (30), and reholding the GRIN lens (3); and a step for cutting the GRIN lens (3) with a length equal to the movement distance of the lens holder 30.

Abstract: In connecting between lensed optical fibers (1) in which a rod-shaped GRIN lens (3) is coaxially fused with a tip of an optical fiber (2), end faces of the lensed optical fibers (1) are spherically polished with a curvature radius R of 2 mm or more to crimp the end faces with each other, whereby a connection loss upon performing PC connection is reduced.

Abstract: A cutting device that cuts, with a predetermined length, an elongated GRIN lens fused with an optical fiber with tips thereof abutting each other, the cutting device including: a fiber holder placing unit on which a fiber holder for holding the optical fiber is placed; a lens holder placing unit on which a lens holder for holding the GRIN lens is placed; and a cutting unit arranged between the fiber holder placing unit and the lens holder placing unit, wherein the fiber holder placing unit includes a positioning init for positioning the fiber holder placed thereon, and the lens holder placing unit includes a positioning unit for positioning the lens holder placed thereon.

Abstract: A multicore optical connector includes: a ferrule in which a plurality of optical fibers with lenses are arranged and held, the optical fibers with lenses having GRIN lenses fused to tips of optical fibers; and a coupling member which couples a pair of the ferrules so that the ferrules oppose each other in a non-contact state and end faces of the ferrules are parallel to each other, wherein the ferrules each have an end face inclined by a set angle ?0 relative to a central axis Of, the GRIN lenses are arranged and held parallel to the central axis Of so that a center of arrangement Op is at a position eccentric by ?t relative to the central axis Of, and the optical fibers with lenses held by the pair of the ferrules have end faces of the GRIN lenses inclined along the end faces of the ferrules.

Abstract: A lensed optical fiber in which a rod-shaped GRIN lens is fused at the tip of an optical fiber is manufactured by executing: a step for fusing together an optical fiber (2) held by a fiber holder (20) and a GRIN lens (3) held by a lens holder (30) with the tips thereof abutting each other; a step for moving the lens holder (30) in the direction away from the fiber holder (20), while relaxing the holding force of the lens holder (30), and reholding the GRIN lens (3); and a step for cutting the GRIN lens (3) with a length equal to the movement distance of the lens holder 30.

Abstract: A multicore optical connector includes: a ferrule in which a plurality of optical fibers with lenses are arranged and held, the optical fibers with lenses having GRIN lenses fused to tips of optical fibers; and a coupling member which couples a pair of the ferrules so that the ferrules oppose each other in a non-contact state and end faces of the ferrules are parallel to each other, wherein the ferrules each have an end face inclined by a set angle ?0 relative to a central axis Of, the GRIN lenses are arranged and held parallel to the central axis Of so that a center of arrangement Op is at a position eccentric by ?t relative to the central axis Of, and the optical fibers with lenses held by the pair of the ferrules have end faces of the GRIN lenses inclined along the end faces of the ferrules.