CN216848236U - Non-tapered 4-port diaphragm type optical coupling device - Google Patents
Non-tapered 4-port diaphragm type optical coupling device Download PDFInfo
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- CN216848236U CN216848236U CN202220330170.6U CN202220330170U CN216848236U CN 216848236 U CN216848236 U CN 216848236U CN 202220330170 U CN202220330170 U CN 202220330170U CN 216848236 U CN216848236 U CN 216848236U
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Abstract
A non-tapered 4-port diaphragm type optical coupling device comprises a packaging device, wherein a first optical component and a second optical component are arranged in the packaging device, one end of the first optical component is a first plane, and the other end of the first optical component is a first inclined plane; one end of the second optical component is a second plane, the other end of the second optical component is a second inclined plane, the first plane and the second plane are arranged in parallel relatively, a first preset gap is formed between the first plane and the second plane, and a third optical component is arranged on the first plane; a first tail fiber fixing part is arranged in the first end of the packaging device, and the first tail fiber fixing part is provided with two first tail fibers; and a second tail fiber fixing part is arranged in the second end of the packaging device, and the second tail fiber fixing part is provided with two second tail fibers. The utility model discloses have optical signal mainly in the space and optical components and parts transmission within a definite time, no longer through the optic fibre behind the broach, avoided the advantage of the many resonance signals that external micro-vibration arouses.
Description
Technical Field
The utility model belongs to the technical field of the fiber communication technique and specifically relates to a 4 port diaphragm formula optical coupling devices of non-biconical taper.
Background
The traditional fused biconical taper 4-port optical coupling device is widely applied to optical equipment with general performance, but the performance of the traditional fused biconical taper 4-port optical coupling device is greatly reduced in high-precision equipment. The reason is that the traditional 4-port optical coupling device adopts two optical fibers to melt and taper, the tapered optical coupling device is changed into a thin string shape, once the outside has micro-vibration, multi-resonance frequency spectrum signals can be randomly generated to further influence target signals passing through the device, so that output signals are unstable, the signal-to-noise ratio is not high, and particularly low-frequency signals are more difficult to output. With the development of optical disciplines and the pursuit of higher precision technologies, the traditional fused biconical 4-port coupling device is not suitable for wide application. Therefore, there is a need in the market for better performing, high signal-to-noise ratio optical coupling devices.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the utility model provides a non-tapered 4-port diaphragm type optical coupling device which can improve the optical coupling performance and has high signal-to-noise ratio for the society.
The technical scheme of the utility model is that: the non-tapered 4-port diaphragm type optical coupling device comprises a packaging device, wherein a first optical component and a second optical component are arranged in the packaging device, one end of the first optical component is a first plane, and the other end of the first optical component is a first inclined plane; one end of the second optical component is a second plane, the other end of the second optical component is a second inclined plane, the first plane and the second plane are arranged in parallel relatively, a first preset gap is formed between the first plane and the second plane, and a third optical component is arranged on the first plane; a first tail fiber fixing part is arranged in a first end of the packaging device, the first tail fiber fixing part is provided with a third inclined surface, the third inclined surface and the first inclined surface are arranged in parallel relatively, a second preset gap is formed between the third inclined surface and the first inclined surface, the first tail fiber fixing part is provided with two first tail fibers, and the intersection end of the first tail fibers and the third inclined surface is positioned in the third inclined surface; the second tail fiber fixing part is arranged in the second end of the packaging device and provided with a fourth inclined surface, the fourth inclined surface and the second inclined surface are arranged in parallel relatively, a third preset gap is formed between the fourth inclined surface and the second inclined surface, the second tail fiber fixing part is provided with two second tail fibers, and the intersection end of the second tail fibers and the fourth inclined surface is located in the fourth inclined surface.
As an improvement to the present invention, the package device is made of zirconium dioxide or made of glass.
As an improvement of the present invention, the first tail fiber fixing member and/or the second tail fiber fixing member is made of zirconium dioxide or made of glass.
As right the utility model discloses an improvement, first optical components and parts, second optical components and parts first tail optical fiber mounting with second tail optical fiber mounting is fixed through the viscose in the encapsulation device.
As an improvement to the present invention, said adhesive is a thermosetting adhesive.
As an improvement to the present invention, the first optical component is a self-focusing lens or a ball lens.
As an improvement, the third optical component is a coated light splitter, which splits incident light into two polarization states of O light and e light.
As an improvement to the present invention, the second optical component is a self-focusing lens or a ball lens.
As an improvement to the present invention, the first pigtail is a polarization maintaining pigtail.
As an improvement to the present invention, the second pigtail is a polarization maintaining pigtail.
The utility model discloses owing to adopted be equipped with first optical components and parts and second optical components and parts in the encapsulation device be equipped with the first tail optical fiber mounting of taking first tail optical fiber in the first end of encapsulation device the second end of encapsulation device is equipped with the second tail optical fiber mounting of taking the second tail optical fiber and constitutes a complete diaphragm formula optical coupling device. The utility model provides an optical signal mainly transmits in the space and between optical components, and the optic fibre after the biconical taper no longer has avoided the many resonance signals that external small vibration arouses consequently.
The use of the diaphragm type optical coupling device can greatly promote the development of optical technology, and has great revolutionary significance for improving the high-precision measurement and detection of optical equipment.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 discloses a non-tapered 4-port diaphragm optical coupling device, which includes a package device 1, a first optical component 2 and a second optical component 3 are disposed in the package device 1, one end of the first optical component 2 is a first plane 21, and the other end is a first inclined plane 22; one end of the second optical component 3 is a second plane 31, the other end is a second inclined plane 32, the first plane 21 and the second plane 31 are arranged in parallel, the first plane 21 and the second plane 31 are separated by a first preset gap 4, and a third optical component 211 is arranged on the first plane 21; a first tail fiber fixing member 110 is arranged in the first end 11 of the package device 1, the first tail fiber fixing member 110 has a third inclined surface 111, the third inclined surface 111 is arranged in parallel with the first inclined surface 22, a second predetermined gap 112 is formed between the third inclined surface 111 and the first inclined surface 22, the first tail fiber fixing member 11 is provided with two first tail fibers 113, and the intersecting end of the first tail fiber 113 and the third inclined surface 111 is located in the third inclined surface 111; a second tail fiber fixing member 120 is arranged in the second end 12 of the package device 1, the second tail fiber fixing member 120 has a fourth inclined surface 121, the fourth inclined surface 121 is arranged in parallel with the second inclined surface 32, a third predetermined gap 122 is formed between the fourth inclined surface 121 and the second inclined surface 32, the second tail fiber fixing member 12 is provided with two second tail fibers 123, and the intersecting end of the second tail fibers 123 and the fourth inclined surface 121 is located in the fourth inclined surface 121. The first predetermined gap 4, the second predetermined gap 112 and the third predetermined gap 122 may be selected between 0.1mm and 1 mm.
The utility model discloses have optical signal mainly transmit in the space and between optical components and parts, no longer through the optic fibre behind the biconical taper, consequently avoided the advantage of the many resonance signals that external small vibration arouses.
Preferably, the packaged component 1 is made of zirconium dioxide or of glass.
Preferably, the first pigtail holder 110 and/or the second pigtail holder 120 are made of zirconium dioxide or made of glass.
Preferably, the first optical component 2, the second optical component 3, the first pigtail fastener 110 and the second pigtail fastener 120 are fixed in the package device 1 by glue.
Preferably, the adhesive is a thermally cured adhesive that can be cured at less than 120 degrees with minimal impact of the adhesive on the optical output performance.
Preferably, the first optical component 2 is a self-focusing lens or a ball lens, and the second optical component 3 is a self-focusing lens or a ball lens; the utility model discloses an it is stronger to adopt self-focusing lens or ball-type lens.
Preferably, the third optical component 211 is a coated light splitter, and splits incident light into two polarization states, i.e., O light and e light; meanwhile, the second optical component 3 has a reverse isolation function, for example, light from the first pigtail 113 can be transmitted, and light from the second pigtail is reflected, so that only a very small amount of light can be transmitted.
Preferably, the first pigtail 113 is a polarization-maintaining pigtail; the second pigtail 123 is a polarization maintaining pigtail.
The utility model discloses a method of use is the same with the method of use of the 4 port optical coupling devices of awl.
All equivalent changes made by the contents of the specification and the drawings of the utility model are included in the scope of the claims of the utility model without departing from the idea of the utility model.
Claims (10)
1. A non-tapered 4-port diaphragm type optical coupling device is characterized in that: the packaging device comprises a packaging device (1), wherein a first optical component (2) and a second optical component (3) are arranged in the packaging device (1), one end of the first optical component (2) is a first plane (21), and the other end of the first optical component is a first inclined plane (22); one end of the second optical component (3) is a second plane (31), the other end of the second optical component is a second inclined plane (32), the first plane (21) and the second plane (31) are arranged in parallel relatively, the first plane (21) and the second plane (31) are separated by a first preset gap (4), and a third optical component (211) is arranged on the first plane (21); a first tail fiber fixing piece (110) is arranged in a first end (11) of the packaging device (1), the first tail fiber fixing piece (110) is provided with a third inclined surface (111), the third inclined surface (111) and the first inclined surface (22) are arranged in parallel relatively, a second preset gap (112) is arranged between the third inclined surface (111) and the first inclined surface (22), the first tail fiber fixing piece (110) is provided with two first tail fibers (113), and the intersection end of the first tail fibers (113) and the third inclined surface (111) is positioned in the third inclined surface (111); the packaging device is characterized in that a second tail fiber fixing piece (120) is arranged in a second end (12) of the packaging device (1), the second tail fiber fixing piece (120) is provided with a fourth inclined surface (121), the fourth inclined surface (121) and the second inclined surface (32) are arranged in parallel relatively, a third preset gap (122) is formed between the fourth inclined surface (121) and the second inclined surface (32), the second tail fiber fixing piece (120) is provided with two second tail fibers (123), and the intersecting end of the second tail fibers (123) and the fourth inclined surface (121) is located in the fourth inclined surface (121).
2. The non-tapered 4-port diaphragm optical coupling device according to claim 1, wherein: the encapsulation component (1) is made of zirconium dioxide or glass.
3. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the first tail fiber fixing part (110) and/or the second tail fiber fixing part (120) are made of zirconium dioxide or made of glass.
4. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the first optical component (2), the second optical component (3), the first pigtail fixing piece (110) and the second pigtail fixing piece (120) are fixed in the packaging device (1) through viscose glue.
5. The non-tapered 4-port diaphragm optical coupling device according to claim 4, wherein: the adhesive is a heat-cured adhesive.
6. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the first optical component (2) is a self-focusing lens or a ball lens.
7. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the third optical component (211) is a coated light splitting sheet and splits incident light into two polarization states of O light and e light.
8. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the second optical component (3) is a self-focusing lens or a ball lens.
9. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the first pigtail (113) is a polarization maintaining pigtail.
10. The non-tapered 4-port diaphragm optical coupling device according to claim 1 or 2, wherein: the second pigtail (123) is a polarization maintaining pigtail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220330170.6U CN216848236U (en) | 2022-02-18 | 2022-02-18 | Non-tapered 4-port diaphragm type optical coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220330170.6U CN216848236U (en) | 2022-02-18 | 2022-02-18 | Non-tapered 4-port diaphragm type optical coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216848236U true CN216848236U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220330170.6U Active CN216848236U (en) | 2022-02-18 | 2022-02-18 | Non-tapered 4-port diaphragm type optical coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216848236U (en) |
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2022
- 2022-02-18 CN CN202220330170.6U patent/CN216848236U/en active Active
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