CN215297754U - Optical module device - Google Patents
Optical module device Download PDFInfo
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- CN215297754U CN215297754U CN202120651956.3U CN202120651956U CN215297754U CN 215297754 U CN215297754 U CN 215297754U CN 202120651956 U CN202120651956 U CN 202120651956U CN 215297754 U CN215297754 U CN 215297754U
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Abstract
The utility model provides an optical module device, include: the optical fiber is aligned and fixed with the photoelectric element, the isolator is arranged between the lens and the optical fiber, and the optical fiber passes through the glass groove.
Description
Technical Field
The utility model relates to an optical communication field especially relates to an optical module device.
Background
With the popularization of 5G application scenarios, the data center market puts higher and higher requirements on the information amount and the information transmission rate, and the transmission rate of optical module products must follow the customer demand. In order to achieve larger transmission capacity, a chip-on-board package/chip-on-chip package mode is generally adopted in the industry at present, and the package has higher requirements on coupling. How to reasonably avoid part of the coupling process under the condition of not influencing the performance of the module so as to achieve the aim of reducing the coupling working hours becomes an important direction of effort. In detail, in the prior art, a photoelectric element and an optical fiber are coupled to perform a light alignment action, the operation steps are complex, certain requirements are required for the working experience of an operator, and equipment cooperation is required, such as tools like a clamp, a clamping jaw, a moving shaft and an instrument are required to monitor current, whether an object is in a reasonable position or not is required to be judged, whether the current is reasonable or not is required to be judged, and whether the current is in a normal range or not is required to be judged. In addition, in the prior art, the optical fiber is coupled by fixing the photoelectric element and the lens, or the photoelectric element and the optical fiber are pre-coupled, so that the investment of clamp equipment is required, and the labor cost is high. In the prior art, discrete optical fibers are used for coupling, a single optical fiber is penetrated by a capillary, and a plurality of passages correspond to a plurality of capillaries. The prior art isolators are independently distributed between the lens and the optical fiber, the distance between the lens and the optical fiber is limited, and the separate placement requires a separate process, and causes problems such as small space margin, difficult layout, or coupling interference.
Disclosure of Invention
An advantage of the present invention is to provide an optical module device, wherein the optical module device adopts passive alignment mode, reduces coupling assembly process for coupling time reduces, has effectively improved system assembling efficiency.
Another advantage of the present invention is to provide an optical module device, wherein, the lens of the optical module device is coupled, and for the coupling optical fiber, the coupling process of the lens is simple, and the requirement for the coupling clamping/UV mechanism is relatively simple, and the fixture processing is relatively easy, and meanwhile, the influence of the optical fiber stress on the coupling process can be avoided, and the optical module device is easily processed by automation.
Another advantage of the present invention is to provide an optical module device, wherein the passive alignment mode of the optical module device, i.e. passive alignment of the optical fiber and the optoelectronic device is performed by using methods such as patch or CCD template alignment, and the process is omitted, thereby reducing the labor cost and the equipment cost.
Another advantage of the present invention is to provide an optical module assembling method, wherein a substrate of the optical module has a positioning fixing structure, which is beneficial for passive mounting of an optical fiber array and resistance to optical fiber shearing force, and improves long-term reliability.
Another advantage of the present invention is to provide an optical module device, wherein, the optical module device adopts the array form, is about to many optic fibre with fixed spacing, carries out sticky fixation through the glass apron, and optic fibre stress to the influence of coupling process when optic fibre array has avoided single optic fibre coupling can avoid simultaneously going up the unloading in-process to the coupling, because the material loading difficulty of different long introductions of fine in the discrete optical fiber scheme.
Another advantage of the present invention is to provide an optical module device, wherein the optical module device reduces each of the array pitches of the optoelectronic devices provides a space for the coupling of different channels, and avoids the space to be too large, thereby reducing the influence on the layout of other devices.
Another advantage of the present invention is to provide an optical module device, wherein the optical module device adopts a small-sized patch isolator, and is bonded to an optical fiber array, so that the layout difficulty in the design process can be eliminated, and the step of assembling the isolator can be reduced.
Another advantage of the present invention is to provide an optical module device, wherein, the optical module device ensures that the optical fiber array and the substrate are bonded to have a thinner glue thickness, and the thinner glue thickness ensures that the product has better reliability, and can not influence the phenomena such as glue aging or water absorption to lead to the reliability problem.
Another advantage of the present invention is to provide an optical module device, wherein the optical module device can ensure that the distance between the lens and the refrigerator is at a reasonable level by designing the height of the optical fiber relative substrate, so that the lens can not cause the reliability problem due to the too thick glue while ensuring the automatic coupling.
In order to achieve the above object, the present invention provides an optical module device, including:
a substrate;
an optoelectronic element disposed on the substrate;
an optical fiber, said optical fiber and said photoelectric element are fixed in alignment;
a lens disposed on the substrate;
an isolator disposed on said substrate, said isolator disposed between said lens and said optical fiber; and
a glass channel disposed in said substrate, said optical fiber passing through said glass channel.
According to the utility model discloses an embodiment, optic fibre with photoelectric element is counterpointed fixedly, counterpoint fixed mode is the high accuracy paster.
According to an embodiment of the present invention, the optoelectronic device further comprises a refrigerator, the refrigerator is disposed on the substrate, and the optoelectronic element is disposed on the refrigerator.
According to an embodiment of the present invention, the lens further comprises a cooling device, the cooling device is disposed on the substrate, and the lens is disposed on the cooling device.
According to an embodiment of the invention, the lens and the isolator are provided between the optoelectronic component and the optical fiber.
According to an embodiment of the invention, the optical fiber is provided on the substrate, and the lens and the isolator are provided between the optoelectronic component and the optical fiber.
According to an embodiment of the invention, the isolator is directly fixed with the fiber end.
According to an embodiment of the invention, the isolator is provided between the optoelectronic component and the optical fiber.
According to an embodiment of the invention, the isolator is provided between the lens and the optical fiber.
According to the utility model discloses an embodiment, the vertical cross-section of glass groove is the V-arrangement, the glass groove is glass V groove.
The other advantages and features of the invention will be fully apparent from the following detailed description and realized by means of the instruments and combinations particularly pointed out in the appended claims.
Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims.
Drawings
Fig. 1 is a side schematic view of an optical module apparatus according to one embodiment of the present invention.
Fig. 2 is a schematic perspective view of the optical module device according to the above embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1, a schematic side view of an optical module device according to a preferred embodiment of the present invention is shown, the optical module device includes a substrate 1, a photoelectric element 2, a lens 3, an isolator 4, an optical fiber 5, a refrigerator 6 and a glass tank 7, wherein the refrigerator 6 is disposed on the substrate 1, the photoelectric element 2 is disposed on the refrigerator 6, and the photoelectric element 2 and the optical fiber 5 are aligned and fixed, and the alignment and fixing is performed by aligning and fixing characteristic positions of the photoelectric element 2 with n (n is equal to 1/2/4 …, etc.) optical fibers 5 according to n (n is equal to 1/2/4 …, etc.) numbers, respectively.
Furthermore, the alignment mode may be a high-precision patch, or a position template, etc.
Further, the lens 3 is distributed between the photoelectric element 2 and the optical fiber 5, and the lens 3 is fixed to the refrigerator 6 by optical coupling. The lens 3 is provided to the substrate 1 by an adhesive material.
Further, the isolator 4 is distributed between the optoelectronic component 2 and the optical fiber 5, and the isolator 4 is fixed to the end of the optical fiber 5.
Further, the vertical section of the glass groove 7 is in a V shape, and the glass groove 7 is a V-shaped groove.
Further, the substrate 1 is a PCB circuit board or a heat dissipation substrate.
Further, the substrate 1 comprises a limiting fixing design, the optical fiber array is arranged on the limiting fixing design, passive mounting and optical fiber shearing resistance of the optical fiber array are facilitated, and long-term reliability is improved.
Further, the optoelectronic device 2 is a high-speed electro-absorption modulated laser chip.
The optical module of another preferred embodiment of the present invention is implemented as follows, and for the sake of brevity and understanding, only the differences from the above-mentioned embodiments are explained, and it should be noted that only the differences are explained for the sake of brevity and should not be construed as any limitation to the present invention.
The refrigerator 6 is provided on the substrate 1, the optical fiber 5 is provided on the substrate 1, and the photoelectric element 2 and the optical fiber 5 are aligned and fixed to each other, in which the characteristic positions of the photoelectric element 2 are aligned and fixed to n (n, 1/2/4 …, etc.) optical fibers 5, respectively, according to n (n, 1/2/4 …, etc.) characteristic positions.
Furthermore, the alignment mode may be a high-precision patch, or a position template, etc.
Further, the lens 3 is distributed between the photoelectric element 2 and the optical fiber 5, and the lens 3 is fixed to the refrigerator 6 by optical coupling.
Further, the isolator 4 is distributed between the optoelectronic component 2 and the optical fiber 5, and the isolator 4 is fixed to the end of the optical fiber 5.
It is worth noting that the alignment fixing is a patch alignment mode, can be completed in one step, is simple in process, has small burden on operators, saves labor cost, can be positioned through direct fixing, and avoids shaking in the installation process.
Further, the utility model discloses a passive alignment mode adopts methods such as paster or CCD template alignment will optic fibre 5 with photoelectric element 2 carries out passive counterpoint to avoided the pre-coupling process, avoided the input of some equipment anchor clamps, it is lower to personnel's requirement for the pre-coupling process simultaneously. The CCD templates are aligned, namely a CCD camera is used for observing, a template is drawn on a screen by lines, and the position is adjusted to the position corresponding to the template.
It is worth noting that the optical fiber 5 of the present invention is in an array form, and the optical fiber 5 is fixed by gluing through a glass cover plate at a fixed interval. Furthermore, the plurality of optical fiber 5 arrays can eliminate the influence of the stress of the optical fibers 5 on the coupling process, and simultaneously can avoid the feeding difficulty caused by different fiber lengths in the scheme of separating the optical fibers 5 in the feeding and discharging process of the coupling.
It is noted that the array pitch of each of the optoelectronic elements 2 is 1.8 mm, which provides relatively ample space for coupling different channels, and at the same time avoids the pitch from being too large, thereby reducing the influence on the layout of other devices.
It is worth noting that the isolator 4 is independently distributed between the lens 3 and the optical fiber 5, the utility model discloses a small-size paster the isolator 4, with the array of optical fiber 5 bonds together for the design layout is comparatively light, simplifies the step of assembling the isolator 4.
It is worth noting, the utility model discloses an array be in isolator 4 optic fibre 5 with glass apron 8 forms, the array with base plate 1 passes through viscous material bonds, viscous material is an epoxy glue, epoxy glue is applied to the FA array with during base plate 1, has a thinner glue thickness, thinner glue thickness has reduced the ageing influence that causes of glue as far as possible, has reduced the influence of the problem of absorbing water as far as possible, thereby the guarantee the utility model discloses an optical module device has better reliability.
It is noted that by designing the height of each optical fiber 5 relative to the substrate 1, it is ensured that the distance between the lens 3 and the refrigerator 6 is controlled to the extent that automatic coupling can be achieved, that is, the lens 3 and the refrigerator 6 can be automatically coupled, and it is ensured that the lens 3 does not cause reliability problems due to too thick glue.
The optical module of another preferred embodiment of the present invention is implemented as follows, and for the sake of brevity and understanding, only the differences from the above-mentioned embodiments are explained, and it should be noted that only the differences are explained for the sake of brevity and should not be construed as any limitation to the present invention.
When the optoelectronic device 2 is a different type of chip, for example, the optoelectronic device 2 is a distributed feedback laser chip, the optoelectronic device 2 is disposed on the substrate 1, and the lens 3 is disposed on the substrate 1.
The optical module of the present invention is implemented as follows, and for the sake of brevity and understanding, only the differences from the above embodiments are explained, and it should be noted that only the differences are explained for the sake of brevity and should not be taken as any limitation to the present invention.
The isolator 4 is arranged between the lens 3 and the optical fiber 5 according to the actual spatial layout.
It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (9)
1. A light module device, comprising:
a substrate;
an optoelectronic element disposed on the substrate;
an optical fiber, said optical fiber and said photoelectric element are fixed in alignment;
a lens disposed on the substrate;
an isolator disposed on said substrate, said isolator disposed between said lens and said optical fiber; and
a glass channel disposed in said substrate, said optical fiber passing through said glass channel.
2. The optical module device according to claim 1, wherein the alignment fixing means is a high-precision patch.
3. A light module device according to claim 1, characterized in that it further comprises a refrigerator, said refrigerator being provided on said substrate, said optoelectronic component being provided on said refrigerator.
4. A light module device as claimed in claim 1, further comprising a refrigerator, wherein the refrigerator is disposed on the substrate and the lens is disposed on the refrigerator.
5. An optical module device as claimed in claim 3, wherein the lens and the isolator are disposed between the optoelectronic element and the optical fiber.
6. An optical module device as claimed in claim 4, wherein the optical fiber is disposed on the substrate, and the lens and the isolator are disposed between the optoelectronic element and the optical fiber.
7. A light module device according to claim 1, characterized in that the isolator is fixed directly to the fiber end.
8. A light module device according to claim 1, characterized in that the isolator is provided between the optoelectronic element and the optical fiber.
9. The optical module device according to claim 1, wherein the vertical cross-section of the glass groove is V-shaped, and the glass groove is a glass V-groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651956.3U CN215297754U (en) | 2021-03-31 | 2021-03-31 | Optical module device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651956.3U CN215297754U (en) | 2021-03-31 | 2021-03-31 | Optical module device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215297754U true CN215297754U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120651956.3U Active CN215297754U (en) | 2021-03-31 | 2021-03-31 | Optical module device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215297754U (en) |
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2021
- 2021-03-31 CN CN202120651956.3U patent/CN215297754U/en active Active
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