Optical communication connector, optical transmitter, optical receiver, optical communication system, and optical communication cable
AssigneeSony Corporation
InventorsHiroshi Morita, Kazuaki Toba, Masanari Yamamoto
Life of this patent
Estimating the term…
Abstract
To provide an optical communication connector, an optical transmitter, an optical receiver, an optical communication system, and an optical communication cable that make it possible to prevent reduction in communication quality at low cost. An optical communication connector according to the present technology is capable of spatial optical coupling, and the optical communication connector includes a first lens and a second lens. The first lens magnifies light emitted from a light emitter. The second lens shapes light incident from the first lens and outputs the shaped light.
Claims16
An optical communication connector capable of spatial optical coupling, the optical communication connector comprising:
- a first lens configured to magnify light emitted from a light emitter;
- a second lens configured to:
- magnify light incident from the first lens;
- and
- output the magnified light incident from the first lens;
- a third lens configured to:
- shape light incident from the second lens;
- and
- output the shaped light;
- and
- a connector main body that defines relative positions of the light emitter, the first lens, the second lens, and the third lens, wherein
- the connector main body includes:
- a first part to which the light emitter is fixed;
- and
- a second part that includes the third lens,
- the first lens is a concave lens that has a concave shape,
- the first lens is on a junction surface of the first part with the second part,
- the second lens has a concave shape,
- the second lens is on a junction surface of the second part with the first part,
- the third lens is a convex lens that has a convex shape, and
- the third lens is on a side of the second part opposite to the first part.
An optical communication connector capable of spatial optical coupling, wherein the optical communication connector comprises:
- a first lens configured to magnify light emitted from a light emitter, wherein the light emitter is an optical fiber;
- a second lens configured to:
- magnify light incident from the first lens;
- and
- output the magnified light incident from the first lens;
- a third lens configured to:
- shape light incident from the second lens;
- and
- output the shaped light;
- and
- a connector main body that defines relative positions of the light emitter, the first lens, the second lens, and the third lens, wherein
- the connector main body includes a hole into which the optical fiber is inserted,
- the optical fiber is fixed to the connector main body with an adhesive injected in the hole,
- the first lens is a concave lens that has a concave shape,
- the first lens is on a tip of the hole,
- the second lens has a concave shape,
- the third lens is a convex lens that has a convex shape, and
- each of the second lens and the third lens is on the connector main body.
An optical communication connector capable of spatial optical coupling, the optical communication connector comprising:
- a first lens configured to collect shaped incident light;
- a second lens configured to collect light incident from the first lens;
- a third lens configured to collect light incident from the second lens at a light receiver;
- and
- a connector main body that defines relative positions of the light receiver, the first lens, the second lens, and the third lens, wherein
- the connector main body includes:
- a first part to which the light receiver is fixed;
- and
- a second part that includes the first lens,
- the first lens is a convex lens that has a convex shape,
- the first lens is on a side of the second part opposite to the first part,
- the second lens has a concave shape,
- the second lens is on a junction surface of the second part with the first part,
- the third lens is a concave lens that has a concave shape, and
- the third lens is on a junction surface of the first part with the second part.
An optical transmitter, comprising:
- a light emitter;
- and
- an optical communication connector capable of spatial optical coupling, wherein the optical communication connector includes:
- a first lens configured to magnify light emitted from the light emitter;
- a second lens configured to:
- magnify light incident from the first lens;
- and
- output the magnified light incident from the first lens;
- a third lens configured to:
- shape light incident from the second lens;
- and
- output the shaped light;
- and
- a connector main body that defines relative positions of the light emitter, the first lens, the second lens, and the third lens, wherein
- the connector main body includes:
- a first part to which the light emitter is fixed;
- and
- a second part that includes the third lens,
- the first lens is a concave lens that has a concave shape,
- the first lens is on a junction surface of the first part with the second part,
- the second lens has a concave shape,
- the second lens is on a junction surface of the second part with the first part,
- the third lens is a convex lens that has a convex shape, and
- the third lens is on a side of the second part opposite to the first part.
An optical receiver, comprising:
- a light receiver;
- and
- an optical communication connector capable of spatial optical coupling, wherein
- the optical communication connector includes:
- a first lens configured to collect shaped incident light;
- a second lens configured to collect light incident from the first lens;
- and
- a third lens configured to collect light incident from the second lens at the light receiver;
- and
- a connector main body that defines relative positions of the light receiver, the first lens, the second lens, and the third lens, wherein
- the connector main body includes:
- a first part to which the light receiver is fixed;
- and
- a second part that includes the first lens,
- the first lens is a convex lens that has a convex shape,
- the first lens is on a side of the second part opposite to the first part,
- the second lens has a concave shape,
- the second lens is on a junction surface of the second part with the first part,
- the third lens is a concave lens that has a concave shape, and
- the third lens is on a junction surface of the first part with the second part.
An optical communication system, comprising:
- a first optical communication connector capable of spatial optical coupling, wherein the first optical communication connector includes:
- a first lens configured to magnify light emitted from a light emitter;
- a second lens configured to:
- shape light incident from the first lens;
- and
- output the shaped light;
- and
- a connector main body that defines relative positions of the light emitter, the first lens, and the second lens, wherein the connector main body includes:
- a first part to which the light emitter is fixed;
- and
- a second part that includes the second lens, wherein
- the first lens is a concave lens that has a concave shape,
- the first lens is on a junction surface of the first part with the second part,
- the second lens is a convex lens that has a convex shape, and
- the second lens is on a side of the second part opposite to the first part;
- and
- a second optical communication connector that is detachable and attachable from and to the first optical communication connector, wherein
- the second optical communication connector is capable of spatial optical coupling,
- the second optical communication connector includes:
- a third lens configured to collect light incident from the second lens;
- and
- a fourth lens configured to collect light incident from the third lens at a light receiver.
An optical communication cable, comprising:
- an optical fiber;
- a first optical communication connector capable of spatial optical coupling, wherein the first optical communication connector includes:
- a first lens on which shaped light is incident;
- a second lens configured to collect light incident from the first lens at the optical fiber;
- and
- a connector main body that defines relative positions of the optical fiber, the first lens, and the second lens, wherein the connector main body includes:
- a first part to which the optical fiber is fixed;
- and
- a second part that includes the first lens, wherein
- the first lens is a convex lens that has a convex shape,
- the first lens is on a side of the second part opposite to the first part,
- the second lens is a concave lens that has a concave shape, and
- the second lens is on a junction surface of the first part with the second part;
- and
- a second optical communication connector capable of spatial optical coupling, wherein the second optical communication connector includes:
- a third lens configured to magnify light incident from the optical fiber;
- and
- a fourth lens configured to:
- shape light incident from the third lens;
- and
- output the shaped light.
An optical communication connector capable of spatial optical coupling, the optical communication connector comprising:
- a first lens configured to magnify light emitted from a light emitter;
- a second lens configured to:
- magnify light incident from the first lens;
- and
- output the magnified light incident from the first lens;
- a third lens configured to:
- shape light incident from the second lens;
- and
- output the shaped light;
- and
- a connector main body that defines relative positions of the light emitter, the first lens, the second lens, and the third lens, wherein
- the connector main body includes:
- a first part to which the light emitter is fixed;
- and
- a second part that includes the third lens,
- the first lens is a concave lens that has a concave shape,
- the first lens is on a junction surface of the second part with the first part,
- the second lens has a concave shape,
- the second lens is on a junction surface of the second part with the first part,
- the third lens is a convex lens that has a convex shape, and
- the third lens is on a side of the second part opposite to the first part.
Dependencies are inferred from the claim text.