Abstract: A biological information measurement device includes: a scattering rate calculating unit configured to calculate a scattering rate of light at an interface between a medium present in a biological object or in a specimen and a particle included in the medium based on received-light intensity of light irradiated onto the biological object or onto the specimen and received via the biological object or via the specimen; and a concentration index calculating unit configured to calculate, based on a correlation between the scattering rate of the light at the interface and a concentration index corresponding to concentration of a target substance that is different from the particle included in the medium, the concentration index corresponding to the scattering rate of the light calculated by the scattering rate calculating unit.

Abstract: An optical waveguide circuit includes: a ring waveguide; an input connection waveguide; an output connection waveguide; and an optical multiplexing/demultiplexing part that optically connects the ring waveguide with the input connection waveguide, and that optically connects the ring waveguide with the output connection waveguide. Further, at least one of the input connection waveguide and the output connection waveguide includes a plurality of curved waveguides, a sum total of products of curvature signs and bending angles of the curved waveguides and a sum total of a curvature sign and a bending angle of the ring waveguide have a same absolute value with signs opposite to each other, and rotation of a polarization plane of light generated in the ring waveguide and rotation of a polarization plane of light generated in the curved waveguides cancel each other out.

Abstract: An outer cover body for electrical wires, which is formed by bending a resin sheet and to be attached to an outer periphery of an electrical wire, includes a plurality of wall parts extending along an extending direction of the electrical wire and forming an accommodating part for accommodating the electrical wire. At least one of the plurality of wall parts includes a wall surface overlapping part having an outer side wall surface having a first notch, and an inner side wall surface overlapping the outer side wall surface and having a second notch. A branch line through-hole is formed by overlapping the first notch and the second notch.

Abstract: An optical semiconductor device includes: a base including a surface intersecting with a first direction; a mesa protruding from the surface in the first direction, including a top surface and two side surfaces, and extending along the surface in a direction intersecting the first direction; and a heater layer including a top wall positioned on a side opposite to the base with respect to the top surface, the heater layer extending along the mesa, the mesa including a first mesa extending in a second direction intersecting the first direction, and a plurality of second mesas branching from the first mesa and extending so as to be away from each other in a third direction toward the second direction from the first mesa, the third direction intersecting both of the first direction and the second direction.

Abstract: Provided is a heat pipe which is installed in a cold region in a bottom heat posture in which a longitudinal direction of a container is substantially in parallel with a gravitational direction, is capable of preventing the container from deforming even when a working fluid has become frozen, and has excellent heat transport properties.

Abstract: A NbTi superconducting multicore wire includes a core portion and a first barrier layer arranged around the core portion and composed of a first copper alloy including at least one element selected from Ni or Mn. A filament assembly arranged around the first barrier layer includes NbTi filament assemblies each including at least seven NbTi filaments, embedded in a matrix of a second copper alloy including at least one element selected from Ni or Mn. A second barrier layer is arranged around the filament assembly and composed of the first copper alloy, and a stabilizing layer arranged around the second barrier layer and composed of metal. The NbTi filaments are arranged in circular shapes each having a different diameter, centering on one NbTi filament, and NbTi filaments arranged in a circular shape in an outermost circle being arranged at approximately equal intervals along a circumferential direction.

Abstract: An optical apparatus includes: a base; a light emitting element arranged on the base and configured to output laser light; a plurality of optical components arranged on the base and configured to guide the laser light output from the light emitting element to an optical fiber, and couple the laser light with the optical fiber; and a shielding unit arranged on the base and configured to block stray light deviated from a predetermined optical path in a first optical component as the optical component and traveling to a second optical component as the optical component, and reflect the stray light in a direction deviating from the first optical component.

Abstract: A heat pipe including a container being a tubular body, the container having an end surface of one end portion and an end surface of another end portion, the end surfaces each being sealed; a wick structure provided inside the container; and a working fluid enclosed inside the container. The wick structure includes a first wick portion and a second wick portion in at least one cross section perpendicular to a longitudinal direction of the container, the second wick portion being integral with the first wick portion, the second wick portion extending outward from the first wick portion, the second wick portion being thinner than the first wick portion, and the second wick portion includes a flat portion extending in a direction perpendicular to a height direction of the internal space of the container.

Abstract: An apparatus for manufacturing an optical fiber preform, the apparatus including: a reaction vessel in which an initial substrate is arranged; a burner that can be inserted from an opening of the reaction vessel to spray a glass soot on the initial substrate in the reaction vessel; and a sealing member that has an internal space for accommodating the burner, and is extendable in accordance with a position of the burner and airtightly connects the opening and the internal space.

Abstract: A resin formed body, having a diffraction peak at a position where a scattering vector s is 3.86±0.1 nm?1 in a wide-angle X-ray diffraction measurement, and having at least one melting peak each at respective regions of 129° C. or lower and 159° C. or higher in a differential scanning calorimetry, and with which a peak of tan ? is observed in a range of ?40±10° C. in a dynamic viscoelastic measurement, and a resin composition suitable for preparing the same.

Abstract: A manufacturing apparatus for an optical fiber porous preform includes a reaction chamber configured to accommodate a starting material; at least one main burner provided in the reaction chamber, the at least one main burner being configured to be supplied with a gas containing at least a source gas and a flammable gas, such that particulates are to be generated from reaction of the source gas and the flammable gas and deposited on the starting material; at least one auxiliary burner configured to be directed toward an end portion of the starting material on which the particulates are to be deposited; and an airflow guide provided such that at least part of the airflow guide is located across the at least one auxiliary burner from the starting material.

Abstract: An insulating tape, for coating a connection portion of a power cable, includes a resin material which includes polyethylene at least partially modified by a molecule imparting hydrophilicity, an antioxidant, and a crosslinking agent. The antioxidant has a molecular weight in a range of 190 or more and less than 1050. The antioxidant has a content in a range of 0.05 parts by mass or more and 0.8 parts by mass or less, with respect to 100 parts by mass of the polyethylene. The insulating tape has a thickness in a range of 50 ?m or more and 250 ?m or less.

Abstract: A wire end of a wire harness is protected. The wire harness includes a wire bundle and a connector connected therewith. The wire bundle includes the wire end, and the wire end includes a bent portion and faces the connector. First, a sheet member is folded perpendicularly to a wire lead-out surface of the connector, thereby forming, concurrently, counter sides facing the wire lead-out surface, side surface covering portions, and a tip end protection portion. Next, the side surface covering portions are folded along a top protection portion formation portion, thereby forming, concurrently, side surface protection portions, a top protection portion and an extending portion. Next, a wire end protection portion is secured, with a pressure-sensitive adhesive tape or the like, to a wire bundle portion while the relative position of the counter sides with respect to the wire lead-out surface is maintained.

Abstract: An optical fiber includes: a core portion made of glass; a side core layer made of glass and enclosing the core portion; a cladding portion made of glass and enclosing the side core layer; and a coating layer including a primary layer made of resin and enclosing the cladding portion, and a secondary layer made of resin and enclosing the primary layer. The relationships ?1>?Clad>?2 and 0>?2 are satisfied where ?1 represents relative refractive-index difference of average maximum refractive index of the core portion with respect to average refractive index of the cladding portion, ?2 represents relative refractive-index difference of average refractive index of the side core layer with respect to average refractive index of the cladding portion, and ?Clad represents relative refractive-index difference of average refractive index of the cladding portion with respect to refractive index of pure silica glass.

Abstract: An optical device includes: a case; a wiring substrate that passes through the case and that includes an insulating member and a conductor; at least one of components including a first component configured to perform at least one of: outputting a light; receiving a light; and varying optical properties, and a second component configured to electrically control the first component, the at least one of components being housed in the case and flip-chip mounted on the wiring substrate.

Abstract: A composite cable includes a sheath surrounding an outer surface of a core at least including a plurality of thick electric wires each having a resin layer on an outer circumference of a conductor, and a plurality of thin electric wires each having a resin layer on an outer circumference of a conductor, in which the sheath includes a resin composition including base resin containing at least one type of ethylene rubber and styrene elastomer at 10 to 50 mass %.

Abstract: An optical device includes: a multi-mode interference waveguide that includes a first end portion in a first direction and a second end portion in opposite direction to the first direction; a first port that is arranged in the first end portion; a second port that is arranged in the first end portion; a third port that is arranged in the second end portion and that is positioned at a center of the second end portion in the second direction; and two fourth ports that are arranged in the second end portion and that are positioned on both sides of the third port in the second direction.

Abstract: Provided is a cable housing container in which when a container body is installed on an installation surface with mortar, positioning of the container body can be reliably performed in a vertical direction on the installation surface, a height can be easily adjusted during the installation process, an installation time can be shortened, deviation can be reduced when a plurality of container bodies are arranged, and the container body can be prevented from being distorted during manufacturing. A bottom plate 11 of a container body 10 has a reaction force acting surface 11a on which a reaction force acts upon contact with mortar M when the container body 10 is installed on a predetermined installation surface S with the mortar M interposed between the container body 10 and the predetermined installation surface S.

Abstract: An aluminum wire rod has a composition which contains 3.00% by mass or less of Fe and 0.20% by mass or less of Si, and additionally contains a total of from 0.010% by mass to 0.500% by mass of one or more elements selected from the group consisting of Cu, Mn, Mg, Zn, Ti, B, V and Ni, with the balance being made up of Al and unavoidable impurities. With respect to this aluminum wire rod, in a 25 µm × 60 µm region in a cross-section that is perpendicular to the longitudinal direction, the total length of the portions where the crystal misorientation with respect to an adjacent crystal grain is more than 1° but not more than 15° is from 0.6 mm to 4.8 mm; and the electrical conductivity is 55% IACS or more.

Abstract: A network system includes a network architecture including: a network layer configured to define an entirety of an electric power network constituted from electric power grids; a local network layer configured to define a local network corresponding to electric power grid groups and forming a part of the electric power network; a grid layer configured to define the electric power grids; a physical layer configured to define constituent elements included in the electric power grids; a first layer configured to define the information communication network that is associated with the network layer; a second layer configured to define the information communication network that is associated with the local network layer; a third layer configured to define the information communication network that is associated with the grid layer; and space, a fourth layer configured to define the information communication network that is associated with the physical layer.