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Optical connector

a technology of optical connectors and connectors, applied in the field of optical connectors, can solve the problems of signal degradation and inability to achieve high-speed communication, and achieve the effect of high-speed communication

Inactive Publication Date: 2018-11-22
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This configuration reduces signal waveform deterioration, enabling high-speed communication by selectively blocking or reducing higher-order light, thus improving communication efficiency.

Problems solved by technology

This causes such a problem that a waveform of an optical signal deteriorates, and high-speed communication cannot be achieved.

Method used

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embodiment

[0016]FIGS. 1 and 2 are perspective views illustrating a schematic configuration of an optical connector according to an embodiment. FIG. 3 is a cross-sectional view illustrating a schematic configuration of the optical connector according to the embodiment. FIG. 4 is a schematic diagram for describing a function of an optical filter according to the embodiment. FIG. 5 is a perspective view for describing a function of the optical filter according to the embodiment. FIG. 6 is diagram illustrating a distribution of maximum transmitted light output angles of transmitted light transmitted through the optical filter according to the embodiment. In addition, FIG. 1 illustrates an optical connector in a fitted state of a male connector and a female connector. FIG. 2 illustrates the optical connector in a non-fitted state of the male connector and the female connector. FIG. 3 is a cross-sectional view of an A-A cross section in FIG. 1. In FIG. 6, a vertical axis indicates EAF (EAF: Encircl...

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Abstract

An optical connector includes an optical filter 36 that is disposed between an end surface and a lens, and includes a through-hole that transmits part of the output light, when an inner diameter of the through-hole of the optical filter is denoted by B, a distance from the end surface to the optical filter in the optical axis direction is denoted by L, a maximum transmitted light output angle of transmitted light that passes through the through-hole and has a smaller angle than a maximum output angle α of output light is denoted by α′, and an outer diameter of a core of an optical fiber is denoted by A, B=2×L×tan α′−A, and L>A / tan α′ / 2 are satisfied.

Description

CROSS-REFERENCE TO RELATED APPLICATION(S)[0001]The present application claims priority to and incorporates by reference the entire contents of Japanese Patent Application No. 2017-099707 filed in Japan on May 19, 2017.BACKGROUND OF THE INVENTION1. Field of the Invention[0002]The present invention relates to an optical connector.2. Description of the Related Art[0003]In recent years, in a vehicle such as an automobile, high-speed communication is achieved by replacing a communication system provided between various electronic devices, with the one using an optical fiber (for example, Japanese Patent Application Laid-open No. 2002-23025).[0004]In the optical fiber, light that has entered a core propagates while repeating reflection at a boundary between the core and a clad. Among the light that propagates in the optical fiber, light with a large incident angle (hereinafter, also referred to as “higher-order light”) proceeds while being reflected at a high angle, whereas light with a s...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G02B6/42
CPCG02B6/4215G02B6/4246G02B6/4256G02B6/3893G02B6/4206G02B6/4292
Inventor MIYANARI, MOTONORI
Owner YAZAKI CORP