Optical fiber termination structure, optical connection component and hollow-core optical fiber
AssigneeHakusan Inc.
InventorsHideki Kamitsuna, Ryo Nagase
Life of this patent
Estimating the term…
Abstract
An optical fiber termination structure including: a hollow-core optical fiber that includes a hollow portion through which light is transmitted; a light transmissive member that covers the hollow portion; and an antireflection mechanism that prevents reflection of the light passing through the light transmissive member. An example of the antireflection mechanism is a plate glass with an antireflection coating applied to both faces thereof. The thickness of the plate glass is preferably 100 μm or less. The plate glass is bonded to the end of the hollow-core optical fiber by a jig. An optical connection component is a component in which two plate glasses face each other.
Claims19
An optical fiber termination structure comprising:
- a hollow-core optical fiber that includes a hollow portion through which light is transmitted;
- a light transmissive member that covers the hollow portion;
- a dent to store the light transmissive member at an end face of a ferrule into which the hollow-core optical fiber is inserted;
- and
- a chamfered portion formed by chamfering a through-hole of the ferrule, wherein
- the light transmissive member is bonded to a flat portion of the dent, and
- an outer diameter of the light transmissive member is greater than a chamfering range of the chamfered portion.
An optical fiber termination structure comprising:
- a hollow-core optical fiber that includes a hollow portion through which light is transmitted;
- a light transmissive member that covers the hollow portion;
- and
- an antireflection mechanism that prevents reflection of the light passing through the light transmissive member, wherein
- the light transmissive member is bonded to an end face of the hollow-core optical fiber by an adhesive applied or transferred to the light transmissive member or the hollow-core optical fiber, and
- an outer diameter of the light transmissive member is smaller than a diameter of a through-hole of a ferrule into which the hollow-core optical fiber is inserted.
An optical connection component configured to connect a first optical fiber termination structure and a second optical fiber termination structure, which are an optical fiber termination structure comprising:
- a hollow-core optical fiber that includes a hollow portion through which light is transmitted;
- a light transmissive member that covers the hollow portion;
- and
- a dent to store the light transmissive member at an end face of a ferrule into which the hollow-core optical fiber is inserted, wherein
- the light transmissive member is bonded to a flat portion of the dent,
- a normal direction of the flat portion of the dent is inclined at a predetermined angle with respect to an axial direction of the ferrule, and
- an inclination apex portion of the light transmissive member included in the first optical fiber termination structure and an inclination apex portion of the light transmissive member included in the second optical fiber termination structure face each other.
Dependencies are inferred from the claim text.