JP2014182341A - Optical connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical connector capable of preventing optical axis displacement due to surrounding environment and thus capable of minimizing degradation in transmission efficiency.SOLUTION: An optical connector 1 includes; a first holding member 3A which holds first optical fibers 2A having a plurality of exit ends 22a for outputting optical signals arranged in a column direction; a first lens member 4A having a plurality of lens units 40a arranged in association with the plurality of exit ends 22a; and a pair of limiters 35a, 45a provided in the column direction to prevent positional displacement in the column direction between the exit ends 22a of the first optical fibers 2A and the lens units 40a of the first lens member 4A due to surrounding environment.

Description

  The present invention relates to an optical connector for optically coupling optical components such as optical fibers and optical elements.

  Conventionally, an optical fiber provided with a positioning portion that aligns a lens and an optical waveguide has been proposed (see, for example, Patent Document 1).

  In this optical connector, a pair of tapered positioning grooves made of V-shaped grooves are formed in an optical waveguide having a plurality of cores, and a pair of mountain-shaped fitting projections are formed in a lens array having a plurality of lenses. By fitting fitting protrusions into the tapered positioning grooves, the optical axis of the lens is aligned with each core. After the alignment, the location is not specified, but the optical waveguide and the lens array are fixed with an ultraviolet curable adhesive.

JP 2008-89879 A

  However, according to the conventional optical connector, when the linear expansion coefficient and the moisture absorption rate are different between the optical waveguide and the lens array, the optical axis shift occurs between the optical waveguide and the lens array depending on the surrounding environment, and the transmission efficiency is increased. May decrease.

  Accordingly, an object of the present invention is to provide an optical connector that can suppress the optical axis shift due to the surrounding environment and thereby suppress the decrease in transmission efficiency.

  One embodiment of the present invention provides the following optical connector to achieve the above object.

[1] A lens having a holding member for holding an optical component in which a plurality of incident / exit ends for entering and exiting an optical signal are arranged in a column direction, and a plurality of lens portions provided corresponding to the plurality of incident / exit ends. A pair of restricting portions that are provided in the row direction and restrict the positional deviation in the row direction between the light incident / exit end of the optical component and the lens portion of the lens member due to the surrounding environment, With optical connector.
[2] The pair of restricting portions includes a pair of restricting hole portions provided in one of the holding member and the lens member, and a pair of restricting shaft portions provided in the other of the holding member and the lens member. The optical connector according to [1], wherein the optical connector is configured to regulate the displacement in the column direction by fitting the regulating shaft portion into the regulating hole portion.
[3] The surface of the optical component having the plurality of incident / exit ends and the surface of the lens member facing the surface having the plurality of incident / exit ends are bonded with an optical adhesive, and the pair of restriction holes The optical connector according to [2], wherein the portion and the pair of regulating shaft portions are bonded with the optical adhesive or an adhesive of a different type from the optical adhesive.
[4] The plurality of incident / exit ends of the optical component are arranged in a line, and the pair of restricting portions is any one of the items [1] to [3] provided on the same line as the incident / exit ends. An optical connector according to claim 1.
[5] The plurality of incident / exit ends of the optical component are arranged in a column direction and a row direction, and the pair of restricting portions are provided on the same column as the incident / exit ends. 3] The optical connector according to any one of [3].
[6] The plurality of incident / exit ends of the optical component are arranged in a column direction and a row direction, and the pair of restricting portions are provided between the columns of the incident / exit ends. An optical connector according to any one of the above.
[7] The optical connector according to any one of [1] to [6], wherein the optical component is a plurality of optical fibers whose end faces are the input and output ends.
[8] The optical connector according to any one of [1] to [6], wherein the optical component is an optical element having a plurality of light emitting units or light receiving units as the plurality of incident / exit ends.
[9] A first holding member that holds a first optical component in which a plurality of emission ends that emit optical signals are arranged in a column direction, and a plurality of lens portions provided corresponding to the plurality of emission ends. A first lens member having a second holding member for holding a second optical component in which a plurality of incident ends on which an optical signal is incident are arranged in a column direction, and provided corresponding to the plurality of incident ends. A second lens member having a plurality of lens portions provided between the emission end of the first optical component and the lens portion of the first lens member provided in the row direction and depending on the surrounding environment. A pair of first restricting portions for restricting positional deviation in the row direction; the incident end of the second optical component provided in the row direction; and the lens portion of the second lens member according to an ambient environment. A pair of second restricting portions for restricting the displacement in the column direction between Optical connector with.
[10] The optical connector according to [9], further including a positioning member that positions the first and second holding members.

  According to the present invention, it is possible to suppress the optical axis shift due to the surrounding environment, and thereby it is possible to suppress a decrease in transmission efficiency.

1A and 1B show a schematic configuration example of an optical connector according to a first embodiment of the present invention, in which FIG. 1A is a cross-sectional view and FIG. 1B is a view taken along line AA in FIG. FIG. 2 is a cross-sectional view showing a schematic configuration example of an optical connector according to the second embodiment of the present invention. FIG. 3 is a cross-sectional view showing a schematic configuration example of an optical connector according to the third embodiment of the present invention. 4 (a) to 4 (c) are diagrams corresponding to FIG. 1 (b), respectively, showing Modification 1 of the restricting portion. FIG. 5 is a diagram corresponding to FIG. 1B, showing a second modification of the restricting portion.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in each figure, about the component which has the substantially same function, the same code | symbol is attached | subjected and the duplicate description is abbreviate | omitted.

[Summary of embodiment]
An embodiment of the present invention includes a holding member for holding an optical component in which a plurality of incident / exit ends for entering / exiting an optical signal are arranged in a column direction, and a plurality of members provided corresponding to the plurality of incident / exit ends An optical connector including a lens member having a lens portion, and provided in the row direction, and the positional deviation in the row direction between the light incident / exit end of the optical component and the lens portion of the lens member due to an ambient environment It is an optical connector provided with a pair of control part which regulates.

  The optical component may be a plurality of optical fibers or a plurality of optical elements. The optical element is a light-emitting element such as a laser or a light-emitting diode having a light-emitting portion as a plurality of emission ends (input / output ends), or a light-receiving element such as a photodiode having a light-receiving portion as a plurality of incident ends (input / output ends). It is. The light emitting element may be a surface light emitting element having a mounting surface on the side opposite to the light emitting surface that emits an optical signal. The light receiving element may be a surface light receiving element having a mounting surface on the side opposite to the light receiving surface that receives an optical signal. The ambient environment refers to an environment such as temperature and humidity.

[First Embodiment]
1A and 1B show a schematic configuration example of an optical connector according to a first embodiment of the present invention, in which FIG. 1A is a cross-sectional view and FIG. 1B is a view taken along line AA in FIG. FIG. 1B shows the configuration on the exit side of the optical connector, but the configuration on the entrance side of the optical connector is also configured in the same manner as the exit side, and is not shown.

  As shown in FIG. 1A, the optical connector 1 includes a plurality of first optical fibers 2A in which a plurality of emission ends 22a that emit optical signals are arranged in the column direction B (see FIG. 1B). The first holding member 3A for holding the first lens member, the first lens member 4A having a plurality of lens portions 40a provided corresponding to the plurality of emitting ends 22a, and the plurality of incident ends 22b on which the optical signals are incident are arranged in a row. Second lens member 4B having a second holding member 3B for holding a plurality of second optical fibers 2B arranged in direction B, and a plurality of lens portions 40b provided corresponding to the plurality of incident ends 22b. And a clamp member (not shown) that couples the first and second holding members 3A and 3B, and optically couples the first and second optical fibers 2A and 2B.

  The optical connector 1 is provided in a row direction B with a pair of guide pins 5 that guide and position the first and second holding members 3A and 3B, and includes a plurality of first optical fibers 2A depending on the surrounding environment. A pair of first restricting portions for restricting the positional deviation in the row direction B between the emission end 22a and the lens portion 40a of the first lens member 4A, and a plurality of second restrictors provided in the row direction B depending on the surrounding environment. And a pair of second restricting portions for restricting the displacement in the column direction B between the incident end 22b of the optical fiber 2B and the lens portion 40b of the second lens member 4B. Here, the plurality of first and second optical fibers 2A and 2B are examples of first and second optical components, respectively. The guide pin 5 is an example of a positioning member.

(Optical fiber)
The emission end 22a of the first optical fiber 2A is the same surface as the connection surface 30a of the first holding member 3A. The incident end 22b of the second optical fiber 2B is the same surface as the connection surface 30b of the second holding member 3B. The plurality of first and second optical fibers 2A and 2B are arranged in the column direction B as shown in FIG.

  The first and second optical fibers 2 </ b> A and 2 </ b> B include a core 20 and a clad 21 formed around the core 20 and having a refractive index lower than that of the core 20. The first and second optical fibers 2A and 2B are a silica glass type optical fiber in which the core 20 and the clad 21 are made of quartz glass, and the polymer clad in which the core 20 is made of quartz glass and the clad 21 is made of plastic. An optical fiber, a plastic optical fiber in which the core 20 and the clad 21 are made of plastic can be used. In the present embodiment, as the first and second optical fibers 2A and 2B, for example, those having an outer diameter of 80 to 125 μm and a core 20 having a diameter of 50 μm are used, and an optical signal having a wavelength of 850 μm is transmitted.

(Holding member)
The first holding member 3A includes a fiber holding portion 31a that holds the first optical fiber 2A and a frame portion 32a. A plurality of insertion holes 33a through which the first optical fiber 2A is inserted and a pair of restriction holes 35a are formed in the fiber holding portion 31a. A pair of guide holes 34a into which the guide pins 5 are inserted are formed in the frame portion 32a. Similarly to the first holding member 3A, the second holding member 3B includes a fiber holding portion 31b that holds the second optical fiber 2B and a frame portion 32b. A plurality of insertion holes 33b through which the second optical fiber 2B is inserted and a pair of restriction holes 35b are formed in the fiber holding portion 31b. A pair of guide holes 34b into which the guide pins 5 are inserted are formed in the frame portion 32b. As shown in FIG. 1 (b), the pair of restriction holes 35a and 35b are on both sides of the first and second optical fibers 2A and 2B, and the first and second optical fibers 2A and 2B. It is provided on the same column.

  The first and second holding members 3A and 3B are preferably formed of the same material in order to have the same linear expansion coefficient and moisture absorption, for example, formed of a hybrid material of glass filler and resin. Ferrules can be used. As the resin, for example, a thermoplastic resin such as PPS (polyphenylene sulfide), a thermosetting resin such as an epoxy resin, or the like can be used.

(Lens member)
The first and second lens members 4A and 4B include plate-like base portions 41a and 41b, and the plurality of lens portions 40a provided in the column direction B on the upper surfaces 42a and 42b of the base portions 41a and 41b, A pair of regulating shaft portions 45a and 45b provided on the lower surfaces 43a and 43b. The lens portion 40a on the transmission side is configured such that its focal point 44a is formed at the center of the emission end 22a of the first optical fiber 2A. The lens part 40b on the receiving side is configured such that its focal point 44b is formed at the center of the incident end 22b of the second optical fiber.

  As shown in FIG. 1B, the pair of restriction shaft portions 45a and 45b are provided on both sides of the row of lens portions 40a and on the same row as the lens portions 40a. The transmission-side restriction shaft portion 45a and the restriction hole portion 35a are examples of a first restriction portion, and the reception-side restriction shaft portion 45b and the restriction hole portion 35b are examples of a second restriction portion. The relationship between the restricting shaft portions 45a and 45b and the restricting hole portions 35a and 35b may be “loose fit” or “tight fit”. In the case of using “slip fit”, the restriction shaft portions 45a and 45b are pushed into the restriction hole portions 35a and 35b, and the outer peripheral surface of the restriction shaft portions 45a and 45b and the inner periphery of the restriction hole portions 35a and 35b. There is no gap between the surface. Therefore, the holding members 3A and 3B and the lens members 4A and 4B are positioned with higher accuracy, and the accuracy of the optical axes of the optical fibers 2A and 2B and the lens portions 40a and 40b can be further increased.

  As shown in FIG. 1A, the lens portion 40a of the first lens member 4A has an optical characteristic that shapes the optical signal emitted from the emission end 22a of the first optical fiber 2A into parallel light. The lens portion 40b of the second lens member 4B has an optical characteristic that forms an image of the optical signal output from the transmission-side lens portion 40a at the center of the incident end 22b of the second optical fiber 2B.

  The first and second lens members 4A and 4B are formed by, for example, injection molding using a material transparent to an optical signal to be transmitted, for example, a material such as polyetherimide resin, polycarbonate resin, or acrylic resin. The connection surface 30a having the plurality of emission ends 22a of the first holding member 3A and the lower surface 43a of the first lens member 4A facing the connection surface 30a are, for example, an optical adhesive 6 such as an ultraviolet curable adhesive. Glued by. Similarly, the connection surface 30b having the plurality of incident ends 22b of the second holding member 3B and the lower surface 43a of the second lens member 4B facing the connection surface 30b are bonded by the optical adhesive 6. . Further, the restriction hole portions 35a and 35b of the first and second holding members 3A and 3B and the restriction shaft portions 45a and 45b are bonded by the optical adhesive 6, and the restriction shaft portions 45a of the restriction hole portions 35a and 35b. , 45b is also filled with the optical adhesive 6.

(Assembly method of the first embodiment)
Next, an example of the assembly method of the first embodiment will be described. First, after the plurality of first optical fibers 2A on the transmission side are inserted into the insertion holes 33a of the first holding member 3A, the emission end 22a of the first optical fiber 2A and the connection surface 30a of the first holding member 3A are inserted. To the same surface.

  Next, for example, an ultraviolet curable optical adhesive 6 is applied to the connection surface 30a of the first holding member 3A, and the optical adhesive 6 is filled into the restriction hole 35a. The restriction shaft portion 45a of the first lens member 4A is inserted into the restriction hole portion 35a of the first holding member 3A, and the optical adhesive 6 is irradiated with ultraviolet rays and cured.

  The second optical fiber 2B, the second holding member 3B, and the second lens member 4B on the receiving side are also assembled in the same manner as described above. Next, the first holding member 3 </ b> A on the transmission side and the second holding member 3 </ b> B on the reception side are positioned and fitted by the guide pins 5. The optical connector 1 is assembled as described above.

(Operation of the first embodiment)
Next, the operation of the first embodiment will be described. It is assumed that the linear expansion coefficients of the first and second lens members 4A and 4B are larger than the linear expansion coefficients of the first and second holding members 3A and 3B.

  As shown in FIG. 1, the optical signal transmitted by the first optical fiber 2A on the transmission side is diffused from the emission end 22a, then shaped into parallel light by the lens portion 40a of the first lens member 4A, and received. The light is condensed by the lens portion 40b of the second lens member 4B on the side, is imaged at the center of the incident end 22b, and is then transmitted by the second optical fiber 2B on the reception side.

  Here, when there is a change in the surrounding environment such as a temperature rise, the first and second lens members 4A and 4B are moved in the longitudinal direction relative to the first and second holding members 3A and 3B due to the temperature rise. Although it is going to extend in the vertical direction in FIG. 1, it is regulated by the regulating shaft portions 45a and 45b, the regulating hole portions 35a and 35b, and the optical adhesive 6, so that the optical axes of the optical fibers 2A and 2B. And the optical axis shift between the lens portions 40a and 40b. Such an effect can be said also when the moisture absorption rate differs between the first and second holding members 3A, 3B and the first and second lens members 4A, 4B. In addition, the above-described operation can be applied to the case where the linear expansion coefficients of the first and second lens members 4A and 4B are smaller than the linear expansion coefficients of the first and second holding members 3A and 3B.

(Effects of the first embodiment)
According to the first embodiment, the relative movement between the first and second lens members 4A and 4B and the first and second holding members 3A and 3B is controlled by the restriction holes 35a and 35b and the restriction shaft portion. 45a and 45b and the optical adhesive 6 regulate the first and second optical fibers 2A and 2B and the lens portions 40a and 40b of the first and second lens members 4A and 4B depending on the surrounding environment. Between the first optical fiber 2A and the second optical fiber 2B can be suppressed.

[Second Embodiment]
FIG. 2 is a cross-sectional view showing a schematic configuration example of an optical connector according to the second embodiment of the present invention. In the first embodiment, the first and second holding members 3A and 3B are provided with restriction holes 35a and 35b, and the first and second lens members 4A and 4B are provided with restriction shafts 45a and 45b. However, in the present embodiment, conversely, the first and second holding members 3A and 3B are provided with the restriction shaft portions 9, and the first and second lens members 4A and 4B are provided with the restriction holes 46a, 46b is provided, and the others are configured in the same manner as in the first embodiment. Hereinafter, the difference will be mainly described.

  As in the first embodiment, the optical connector 1 includes first and second holding members 3A and 3B, first and second lens members 4A and 4B, and a pair of guide pins 5. .

  The first and second holding members 3A and 3B have fiber holding portions 31a and 31b and frame portions 32a and 32b, as in the first embodiment. The fiber holding portions 31a and 31b are formed with a plurality of insertion holes 33a and 33b through which the optical fibers 2A and 2B are inserted, and a pair of fitting holes 37a and 37b into which the restriction shaft portion 9 is fitted. Guide holes 34a and 34b into which the guide pins 5 are inserted are formed in the frame portions 32a and 32b. The restriction shaft portion 9 is made of metal or resin. The pair of restriction shaft portions 9 are provided on both sides of the first and second optical fibers 2A and 2B in the same row as the first and second optical fibers 2A and 2B.

  The first and second lens members 4A, 4B include plate-like base portions 41a, 41b and a plurality of lens portions 40a, 40b provided in the column direction B on the upper surfaces 42a, 42b of the base portions 41a, 41b. And a pair of restricting hole portions 46a and 46b. The pair of restricting hole portions 46a and 46b are provided on both sides of the lens portion 40a and on the same row as the lens portion 40a. The transmission side restriction hole 46a and the restriction shaft part 9 are examples of a first restriction part, and the reception side restriction hole part 46b and the restriction shaft part 9 are examples of a second restriction part.

  The connection surfaces 30a and 30b of the first and second holding members 3A and 3B and the lower surfaces 43a and 43b of the first and second lens members 4A and 4B facing the connection surfaces 30a and 30b are, for example, ultraviolet curable. It is bonded by an optical adhesive 6 such as an adhesive. Further, the restriction hole portions 46 a and 46 b of the first and second lens members 4 </ b> A and 4 </ b> B and the restriction shaft portion 9 are bonded by the optical adhesive 6. The relationship between the restriction hole portions 46a and 46b and the restriction shaft portion 9 may be “slack fit” or “tight fit”.

(Effect of the second embodiment)
According to the second embodiment, the relative movement between the first and second lens members 4A, 4B and the first and second holding members 3A, 3B is controlled by the restriction holes 46a, 46b and the restriction shaft. 9 and the optical adhesive 6, the light between the first and second optical fibers 2A and 2B and the lens portions 40a of the first and second lens members 4A and 4B due to the surrounding environment. Axial misalignment can be suppressed, which makes it possible to suppress a decrease in transmission efficiency from the first optical fiber 2A to the second optical fiber 2B.

  In the first and second embodiments, the first and second optical components are optical fibers, but one optical component is an optical fiber and the other optical component is an optical element. The same effects as in the second embodiment are achieved.

[Third Embodiment]
FIG. 3 is a cross-sectional view showing a schematic configuration example of an optical connector according to the third embodiment of the present invention. In the first embodiment, the first holding member 3A on the transmission side and the second holding member 3B on the reception side are positioned by the guide pins 5, but in this embodiment, the first lens member on the transmission side is used. 4A and the second lens member 4B on the receiving side are positioned by the guide pins 5. Hereinafter, the difference from the first embodiment will be mainly described.

  As in the first embodiment, the optical connector 1 includes first and second holding members 3A and 3B, first and second lens members 4A and 4B, and a pair of guide pins 5. .

  The first and second holding members 3A and 3B do not have the frame portions 32a and 32b as in the first embodiment, and a plurality of insertion holes 33a and 33b through which the optical fibers 2A and 2B are inserted. A pair of restriction hole portions 35a and 35b is formed.

  The first and second lens members 4A and 4B include plate-like base portions 41a and 41b, a plurality of lens portions 40a and 40b provided on the upper surfaces 42a and 42b side of the base portions 41a and 41b, and a lower surface 43a. A pair of restricting shaft portions 45a and 45b provided on 43b and frame portions 48a and 48b are provided. Guide holes 49a and 49b are formed in the frame portions 48a and 48b so as to penetrate the base portions 41a and 41b.

  The connection surfaces 30a and 30b of the first and second holding members 3A and 3B and the lower surfaces 43a and 43b of the first and second lens members 4A and 4B facing the connection surfaces 30a and 30b are, for example, ultraviolet curable. It is bonded by an optical adhesive 6 such as an adhesive. Further, the restriction shaft portions 45a and 45b and the restriction hole portions 35a and 35b of the first and second lens members 4A and 4B are bonded by the optical adhesive 6.

(Effect of the third embodiment)
According to the third embodiment, as in the first embodiment, the first and second optical fibers 2A and 2B and the lens portions 40a of the first and second lens members 4A and 4B depending on the surrounding environment. , 40b, and the connecting surfaces 30a, 30b of the first and second holding members 3A, 3B can be easily polished.

(Modification 1)
4 (a) to 4 (c) are diagrams corresponding to FIG. 1 (b), respectively, showing Modification 1 of the restricting portion. 4A to 4C illustrate the configuration on the transmission side, the configuration on the reception side is the same as that on the transmission side.

  As shown in FIGS. 4A to 4C, the optical connector according to the first modification is a two-dimensional array of first optical fibers 2A and lens portions 40a in the row direction and the column direction B. In this case, the restriction hole portion 35a and the restriction shaft portion 45a as the restriction portions are on both sides of the first optical fiber 2A and the lens portion 40a on the same row as shown in FIG. As shown in FIG. 4B, they may be provided between the rows of the first optical fiber 2A and the lens portion 40a, as shown in FIG. 4B. The first optical fiber 2A and the lens unit 40a may be provided on either side of the plurality of rows on both sides of the row. In FIG. 4C, the restriction hole portions 35a and the restriction shaft portions 45a are provided in every other row, but may be provided in every other row.

(Modification 2)
FIG. 5 is a diagram corresponding to FIG. 1B, showing a second modification of the restricting portion. FIG. 5 illustrates the configuration on the transmission side, but the configuration on the reception side is the same as that on the transmission side.

  The restricting portion of Modification 2 is not a combination of a restricting shaft portion and a restricting hole portion as in the above embodiments, but is a member having a higher linear expansion coefficient or moisture absorption rate, for example, the longitudinal direction of the first lens member 4A. A pair of regulating protrusions 36 that contact the end surface 47a of the first holding member 3A are provided. This is effective when the temperature or humidity during assembly can be set lower than the temperature or humidity during use.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and implementations are possible without departing from the scope of the present invention. For example, in the first and second embodiments, the restriction hole portion and the restriction shaft portion are bonded by an optical adhesive, but may be bonded by a different type of adhesive from the optical adhesive.

  In the first and second embodiments, the guide pin 5 is configured as a separate member from the first and second holding members 3A and 3B. However, the guide pin may be the first or second holding member 3A. 3B may be formed integrally.

  In addition, when the restriction hole portion and the restriction shaft portion are bonded with an adhesive, the restriction hole portion and the restriction shaft portion may be fitted together and then bonded together with an adhesive.

  Further, for example, it is possible to omit or change some of the constituent elements of the above-described embodiment within a range not changing the gist of the present invention. For example, in the above embodiment, the connection surfaces of the first and second holding members and the lower surfaces of the first and second lens members are bonded with the optical adhesive, but the clamping is performed without using the optical adhesive. You may make both contact using other members, such as a member.

DESCRIPTION OF SYMBOLS 1 ... Optical connector, 2 ... Optical fiber (2nd optical component), 2A ... 1st optical fiber (1st optical component), 2B ... 2nd optical fiber (2nd optical component), 3A ... 1st DESCRIPTION OF SYMBOLS 1 Holding member, 3B ... 2nd holding member, 4A ... 1st lens member, 4B ... 2nd lens member, 5 ... Guide pin (positioning member), 6 ... Optical adhesive agent, 9 ... Restriction shaft part (Regulatory part), 20 ... Core, 21 ... Clad, 22a ... Outlet end, 22b ... Incident end, 30a, 30b ... Connection surface, 31a, 31b ... Fiber holding part, 32a, 32b ... Frame part, 33a, 33b ... Insertion Hole, 34a, 34b ... Guide hole, 35a, 35b ... Restriction hole (restriction part), 36 ... Restriction protrusion, 37a, 37b ... Fitting hole, 40b ... Lens part, 41a, 41b ... Base part, 42a, 42b ... Upper surface, 43a, 43b ... Lower surface, 44a, 44b Focus, 45a, 45b ... restricting shaft portion (regulating portion), 46a, 46b ... restriction hole portion (regulating portion), 47a ... end surface, 48a, 48b ... frame portion, 49a, 49b ... guide hole

Claims (10)

A holding member for holding an optical component in which a plurality of light incident / exit ends for entering and exiting an optical signal are arranged in a column direction;
A lens member having a plurality of lens portions provided corresponding to the plurality of incident and exit ends,
A pair of restricting portions that are provided in the row direction and restrict the positional deviation in the row direction between the light incident / exit end of the optical component and the lens portion of the lens member due to the surrounding environment;
With optical connector.   The pair of restricting portions includes a pair of restricting hole portions provided in one of the holding member and the lens member, and a pair of restricting shaft portions provided in the other of the holding member and the lens member, The optical connector according to claim 1, wherein the displacement in the row direction is restricted by fitting the restriction shaft part into a restriction hole part. The surface having the plurality of incident / exit ends of the optical component and the surface facing the surface having the plurality of incident / exit ends of the lens member are bonded by an optical adhesive,
The optical connector according to claim 2, wherein the pair of restricting hole portions and the pair of restricting shaft portions are bonded by an adhesive different from the optical adhesive or the optical adhesive. The plurality of incident / exit ends of the optical component are arranged in a line,
The optical connector according to any one of claims 1 to 3, wherein the pair of restricting portions are provided on the same row as the incident / exit ends. The plurality of incident / exit ends of the optical component are arranged in a column direction and a row direction,
The optical connector according to any one of claims 1 to 3, wherein the pair of restricting portions are provided on the same row as the incident / exit ends. The plurality of incident / exit ends of the optical component are arranged in a column direction and a row direction,
The optical connector according to any one of claims 1 to 3, wherein the pair of restricting portions are provided between the rows of the light incident / exit ends.   The optical connector according to claim 1, wherein the optical component is a plurality of optical fibers having end faces as the input / output ends.   The optical connector according to any one of claims 1 to 6, wherein the optical component is an optical element having a plurality of light emitting units or light receiving units as the plurality of input / output ends. A first holding member that holds a first optical component in which a plurality of emitting ends that emit optical signals are arranged in a column direction;
A first lens member having a plurality of lens portions provided corresponding to the plurality of emission ends;
A second holding member for holding a second optical component in which a plurality of incident ends on which an optical signal is incident are arranged in the column direction;
A second lens member having a plurality of lens portions provided corresponding to the plurality of incident ends;
A pair of first restrictions that are provided in the row direction and regulate a positional deviation in the row direction between the emission end of the first optical component and the lens portion of the first lens member due to an ambient environment. And
A pair of second restrictions that are provided in the row direction and regulate a positional deviation in the row direction between the incident end of the second optical component and the lens portion of the second lens member due to an ambient environment. And
With optical connector.   The optical connector according to claim 9, further comprising a positioning member that positions the first and second holding members.

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