The Furukawa Electric Co., Ltd.

Atsushi Izawa

Kazuya Nagashima

Yozo Ishikawa

Maiko Ariga

Masayuki Iwase

Jun Miyokawa

Kazuki Yamaoka

Yusuke Inaba

Taketsugu Sawamura

An optical device includes: a case; a sleeve attached to the case, the sleeve including a first through-hole penetrating between an inside and an outside of the case, and an inclined surface inclined with respect to a penetrating direction of the first through-hole, the inclined surface having an opening of the first through-hole; a first optical fiber including a core wire including a core and a clad, and a sheath configured to surround the core wire, wherein an exposed portion of the core wire not surrounded by the sheath passes through the first through-hole; and a first joining material interposed and sealed between an outer peripheral surface of the exposed portion and an inner peripheral surface of the first through-hole in the first through-hole.

Optical device and method for manufacturing optical device

An optical apparatus includes: a housing; at least one component housed in the housing, the at least one component being configured to be energized and perform at least one of outputting light, receiving light, and changing a property of light; a plurality of external connection conductors configured to penetrate through the housing; and a flexible substrate housed in the housing, the flexible substrate including an insulation layer, a plurality of conductive wires each configured to perform at least one of conduction between the component and the external connection conductors, conduction between the external connection conductors, and conduction between a plurality of the components each serving as the at least one component, a base part in which the conductive wires are covered by the insulation layer, and a plurality of arm parts protruding and extending from the base part, each including one of the conductive wires.

Optical apparatus

An optical module includes: an optical element; a housing configured to house the optical element; as electrical terminal arranged on an outer peripheral surface of the housing and electrically connected to an inside of the housing; and a positioning unit configured to determine a relative position of a wiring board electrically connected to the electrical terminal from outside of the housing, with respect to the electrical terminal.

Optical module and method of manufacturing optical module

An optical module includes: a laser device; a wavelength detector; a modulator; a modulator driver; a coherent mixer; a photoelectric element; a transimpedance amplifier; and a casing. Further, the laser device is arranged such that the laser device outputs a laser light beam in a direction opposite to a side on which the optical output unit is arranged in the casing.

Optical module

An optical module includes a box-shaped housing with an optical element mounted therein. Further, a wiring substrate is bonded to a part of a surface of a housing part of the housing, and an electric wiring, which is formed in the wiring substrate or on a surface of the wiring substrate, and an electric wiring, which is introduced into the housing part or onto a surface of the housing part, are electrically connected to each other.

An optical module includes: photoelectric elements including first terminal groups; an integrated circuit including second terminal groups and ground terminals; a carrier substrate; a housing; and a common ground pad. Further, the carrier substrate is fixed to one surface of the housing, the carrier substrate includes signal wiring parts and a ground wiring part, the ground wiring part includes terminal pattern parts, a common pattern part, and a coupling part, each of the terminal pattern parts being disposed between the corresponding signal wiring parts and electrically connected with one of the ground terminals, the common pattern part being disposed on a side where the common ground pad is provided on the carrier substrate, the coupling part electrically connecting each terminal pattern part and the common pattern part, and the ground terminals of the integrated circuit are electrically connected with the common ground pad through the ground wiring part.

An optical component provided with a waveguide groove having, an waveguide holding plane having a surface shape extending along a specified axial direction and capable of holding at least one optical waveguide while positioning it at at least a part of at least one side face thereof; and an opening extending substantially oppositely to the waveguide holding plane and being smaller in width than the outside diameter of at least one optical waveguide in a specified widthwise direction perpendicular to the specified axial direction.

Optical module including an optical component and an optical device

An optical module, in which an optical device can be mounted and repaired without damaging an electrode on an electronic device side, is provided. A photodiode ( ) and a pre-amplifier IC ( ) are mounted on a base (stem) ( ), and except for that, a relay terminal table ( ) is provided. The photodiode ( ) and the pre-amplifier IC ( ) are connected through the relay terminal table ( ) by means of bonding wires ( ). The relay terminal table ( ) is connected via the bonding wire ( ) to an electrode ( ) of the photodiode ( ), as well as via the bonding wire ( ) to an electrode ( ) of the pre-amplifier IC ( ). In repairing the photodiode ( ) only the bonding wire ( ) is removed for re-wiring, so that the electrode ( ) of the pre-amplifier IC can be prevented from being damaged.

Growing community of inventors

Tokyo, Japan

Atsushi Izawa