Integrally molded multi-optical transmission sheet, integrally molded multi-optical transmission sheet connector and method for manufacturing the same

1 . An integrally molded multi-optical transmission sheet comprising:

a sheet-like coated portion formed of plastic; and

a plurality of optical transmission regions, provided inside the coated portion to extend along an extending direction of the coated portion, having a core region formed of first plastic, and a clad region formed of second plastic and surrounding an outer periphery of the core region,

wherein the plurality of optical transmission regions are arranged in a row substantially parallel to each other along a main surface of the coated portion, and

wherein the first plastic and the second plastic are selected such that in a case where light is incident from one end face side of the plurality of optical transmission regions and transmitted toward another end face side, a M 2 value of emitted light is 1.7 or more.

2 . The integrally molded multi-optical transmission sheet according to claim 1 , wherein the M 2 value is 5.0 or less.

3 . The integrally molded multi-optical transmission sheet according to claim 1 , wherein the plurality of optical transmission regions are arranged at a predetermined distance at substantially equal intervals.

4 . The integrally molded multi-optical transmission sheet according to claim 1 , wherein the predetermined distance is equal to an arrangement distance of a plurality of light sources that emit light to be incident on the respective optical transmission regions.

5 . The integrally molded multi-optical transmission sheet according to claim 1 , wherein the core region has a graded index type refractive index distribution.

6 . The integrally molded multi-optical transmission sheet according to claim 1 , wherein the core region is formed of a perfluorinated material, a partially fluorinated material, a partially chlorinated material, or a partially deuterated material.

7 . The integrally molded multi-optical transmission sheet according to claim 1 , further comprising:

a microlens array provided on the end face.

8 . The integrally molded multi-optical transmission sheet according to claim 1 , further comprising a coating layer provided on the end face.

9 . An integrally molded multi-optical transmission sheet connector comprising:

the integrally molded multi-optical transmission sheet according to claim 1 ; and

a ferrule having an insertion hole having an inner shape corresponding to an outer shape of a cross section of the integrally molded multi-optical transmission sheet,

wherein at least one end of the integrally molded multi-optical transmission sheet is inserted into the insertion hole.

10 . The integrally molded multi-optical transmission sheet according to claim 1 , wherein the core region is formed of a core material with microscopic inhomogeneous correlation length of 100 angstroms or more.

11 . An integrally molded multi-optical transmission sheet comprising:

a sheet-like coated portion formed of plastic; and

a plurality of optical transmission regions, provided inside the coated portion to extend along an extending direction of the coated portion, having a core region formed of first plastic, and a clad region formed of second plastic and surrounding an outer periphery of the core region,

wherein the plurality of optical transmission regions are arranged in a row substantially parallel to each other along a main surface of the coated portion, and

wherein the first plastic and the second plastic are selected such that in a case where light is incident from one end face side of the plurality of optical transmission regions and transmitted toward another end face side, when the light output from the another end face side is received by a light receiving element and converted into an electric signal, a maximum noise power density in a low frequency region of a noise spectrum of the electric signal is less than −108 dBm/Hz.

12 . An integrally molded multi-optical transmission sheet comprising:

a sheet-like coated portion formed of plastic; and

a plurality of optical transmission regions, provided inside the coated portion to extend along an extending direction of the coated portion, having a core region formed of plastic, and a clad region formed of plastic and surrounding an outer periphery of the core region,

wherein the plurality of optical transmission regions are arranged in a row substantially parallel to each other along a main surface of the coated portion, and

the core region of the plurality of the optical transmission regions is formed of a core material with microscopic inhomogeneous correlation length of 100 angstroms or more, and satisfies a single mode condition at a predetermined wavelength.