CN217879713U

CN217879713U - Optical fiber array with small spacing

Info

Publication number: CN217879713U
Application number: CN202222521903.7U
Authority: CN
Inventors: 周镇锋; 纪超; 邱鉴焕
Original assignee: Zhongshan Meisu Technology Co ltd
Current assignee: Zhongshan Meisu Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-11-22
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to an optical assembly technical field especially relates to an optical fiber array of little interval. The technical scheme comprises the following steps: the utility model provides an optical fiber array of little interval, includes glass board, glass apron, filling glue and optic fibre, the last V type groove of having seted up of glass board, the last spacing joint in V type groove of glass board has optic fibre, the glass board upper cover is equipped with the glass apron, the one side that lies in the glass apron on the glass board is equipped with filling glue. The utility model discloses can make the booth apart from fiber array of various specifications, like 50, 40, 30 microns etc. the density of arranging of optic fibre has improved 2-4 times, can satisfy all kinds of optical chip's application demand.

Description

Small-spacing optical fiber array

Technical Field

The utility model relates to an optical assembly technical field, concretely relates to fiber array of little interval.

Background

Since the cladding diameter of a typical optical fiber is 125 microns, the fiber array fabricated using such conventional fibers has core pitches greater than 125 microns, typically 127 and 250 microns.

The optical fiber array is generally used for coupling and butting with various optical waveguide chips and silicon photonic chips, with the progress of technology, the optical chip is developed to a higher integration level, the optical input/output ports thereof are also developed to a high density direction, the input/output waveguide spacing is smaller and smaller, such as 100 micrometers, 80 micrometers, 50 micrometers, 30 micrometers and the like, and the application requirement is difficult to meet by using the conventional optical fiber array, and the improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an optical fiber array of booth apart from has solved above technical problem.

The utility model provides an above-mentioned technical problem's scheme as follows:

the utility model provides an optical fiber array of little interval, includes glass board, glass apron, filling glue and optic fibre, the last V type groove of having seted up of glass board, the last spacing joint in V type groove of glass board has optic fibre, the glass board upper cover is equipped with the glass apron, the one side that lies in the glass apron on the glass board is equipped with filling glue.

The utility model has the advantages that: in the small-spacing optical fiber array, a small-diameter optical fiber (a second optical fiber cladding) is required; the small-diameter optical fiber (second optical fiber cladding) generally uses a conventional optical fiber (first optical fiber cladding), and the cladding at the front end of the optical fiber is reduced by a chemical corrosion method, so that the diameter precision of the cladding can reach 0.1 micron; after corrosion, placing the fiber cladding part into a V-shaped groove, and then manufacturing a small-space fiber array according to a conventional fiber array process; the small-spacing optical fiber array can be used for manufacturing small-spacing optical fiber arrays of various specifications, such as 50 micrometers, 40 micrometers and 30 micrometers, the optical fiber arrangement density is improved by 2-4 times, the application requirements of various optical chips can be met, and optical fibers with different spacing can be arranged on the same optical fiber array, such as multiple spacing of 127 micrometers, 80 micrometers, 50 micrometers and 40 micrometers.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the optical fiber consists of a first optical fiber cladding and an optical fiber coating layer, a second optical fiber cladding is manufactured by the first optical fiber cladding through a chemical corrosion method, and the second optical fiber cladding of the optical fiber is inserted in the V-shaped groove.

The beneficial effect of adopting the further scheme is that: the small-spacing optical fiber array with various specifications is convenient to manufacture.

Furthermore, the V-shaped grooves are uniformly distributed on the glass plate, and the optical fibers are uniformly distributed on the glass plate through the V-shaped grooves.

The beneficial effect of adopting the further scheme is that: the installation position of the optical fiber is limited by the V-shaped groove.

Further, the glass cover plate is matched with the size of the filling glue.

The beneficial effect of adopting the further scheme is that: the glass cover plate is used for compressing and clamping the optical fibers, glue is filled between the glass cover plate and the glass V-shaped groove, the cover plate, the V-shaped groove and the optical fibers are bonded together, and then the end faces of two sides are ground and polished so as to be conveniently in coupling butt joint with the optical chip.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The following examples and the accompanying drawings illustrate specific embodiments of the present invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention.

In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the optical fiber structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a glass plate; 2. a glass cover plate; 3. filling glue; 4. an optical fiber; 5. a V-shaped groove; 6. a second optical fiber cladding; 7. a first fiber cladding; 8. and coating the optical fiber.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the present invention provides an embodiment:

example one

The utility model provides an optical fiber array of close interval, includes glass board 1, glass apron 2, fills glue 3 and optic fibre 4, has seted up V type groove 5 on glass board 1, V type groove 5 evenly distributed on glass board 1, and optic fibre 4 is through V type groove 5 evenly distributed on glass board 1, and there is optic fibre 4 through the spacing joint in V type groove 5 on glass board 1, and optic fibre 4 comprises first optical fiber covering 7 and optic fibre coat 8.

The first optical fiber cladding 7 is used for manufacturing a second optical fiber cladding 6 through a chemical corrosion method, the second optical fiber cladding 6 of the optical fiber 4 is inserted in the V-shaped groove 5, and further small-distance optical fiber arrays of various specifications can be manufactured conveniently, such as 50 micrometers, 40 micrometers, 30 micrometers and the like, the arrangement density of the optical fiber 4 is improved by 2-4 times, the application requirements of various optical chips can be met, the optical fibers 4 with different distances can also be arranged on the same optical fiber array, such as multiple distances of 127 micrometers, 80 micrometers, 50 micrometers, 40 micrometers and the like exist at the same time, the glass plate 1 is covered with the glass cover plate 2, the glass cover plate 2 is used for tightly clamping the optical fiber 4, glue 3 is filled between the glass cover plate 2 and the glass V-shaped groove 5 and used for bonding the cover plate, the V-shaped groove 5 and the optical fiber 4 together, then the end faces of the two sides are ground and polished to facilitate coupling and butt joint with the optical chips, the glass plate 1 is provided with the filling glue 3 on one side of the glass cover plate 2, and the glass plate 2 is matched with the size of the filling glue 3.

A small pitch optical fiber array based on example 1 was used: the second optical fiber cladding 6 is manufactured by the first optical fiber cladding 7 through a chemical corrosion method, the second optical fiber cladding 6 of the optical fiber 4 is inserted in the V-shaped groove 5, and then small-distance optical fiber arrays of various specifications can be manufactured conveniently, such as 50, 40 and 30 micrometers, the arrangement density of the optical fiber 4 is improved by 2-4 times, the application requirements of various optical chips can be met, and the optical fibers 4 with different distances can be arranged on the same optical fiber array, such as 127, 80, 50 and 40 micrometers.

The foregoing is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any manner; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A small pitch optical fiber array, comprising: including glass board (1), glass apron (2), packing glue (3) and optic fibre (4), V type groove (5) have been seted up on glass board (1), there are optic fibre (4) through V type groove (5) spacing joint on glass board (1), glass board (1) upper cover is equipped with glass apron (2), one side that lies in glass apron (2) on glass board (1) is equipped with packing glue (3).

2. A small pitch optical fiber array as claimed in claim 1, wherein: the optical fiber (4) is composed of a first optical fiber cladding (7) and an optical fiber coating layer (8), a second optical fiber cladding (6) is manufactured by the first optical fiber cladding (7) through a chemical corrosion method, and the second optical fiber cladding (6) of the optical fiber (4) is inserted into the V-shaped groove (5).

3. A small pitch optical fiber array as claimed in claim 1, wherein: the optical fiber cable is characterized in that the V-shaped grooves (5) are uniformly distributed on the glass plate (1), and the optical fibers (4) are uniformly distributed on the glass plate (1) through the V-shaped grooves (5).

4. A small pitch optical fiber array as claimed in claim 1, wherein: the glass cover plate (2) is matched with the filling glue (3) in size.