CN203930138U - Realize the optical device of multichannel light beam splitting - Google Patents
Realize the optical device of multichannel light beam splitting Download PDFInfo
- Publication number
- CN203930138U CN203930138U CN201420289714.4U CN201420289714U CN203930138U CN 203930138 U CN203930138 U CN 203930138U CN 201420289714 U CN201420289714 U CN 201420289714U CN 203930138 U CN203930138 U CN 203930138U
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- light beam
- beam splitting
- lens arra
- matrix
- optical device
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Abstract
The utility model relates to the optical device of realizing multichannel light beam splitting, comprises matrix and filter plate, and the upper surface of matrix is provided with lens arra and raised step, and lens arra is positioned at the central area of body upper surface, and raised step is positioned at the both sides of upper surface; The central area of the lower surface of matrix is provided with ramp structure, and ramp structure center line and lens arra are positioned at same plane, and filter plate is located at the inclined-plane place of ramp structure relative with lens arra position; The both sides of matrix are provided with the guide pinhole matching with multimode guide pin.Can realize coupling between hyperchannel VCSEL laser instrument and multimode optical fiber and the monitoring function of back facet current simultaneously, simple in structure, with low cost, manufacture craft is very convenient, realizes the function of multichannel light beam splitting coupling by passive mode.
Description
Technical field
The utility model relates to a kind of optical device of realizing multichannel light beam splitting, belongs to optical communication device technical field.
Background technology
Along with the rise of data center, the optical transceiver modules such as QSFP+ SR4 have also been obtained develop rapidly.But but make a lot of manufacturers feel a delicacy about for the back facet current monitoring of VCSEL laser instrument.At present, still can not solve the back facet current monitoring problem of VCSEL laser instrument in QSFP+ SR4 module.
Utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, a kind of optical device of realizing multichannel light beam splitting is provided, be intended to solve the back facet current monitoring problem of VCSEL laser instrument in QSFP+ SR4 module, can realize multichannel optical fiber coupling and monitoring back light by passive mode.
The purpose of this utility model is achieved through the following technical solutions:
The optical device of realizing multichannel light beam splitting, feature is: comprise matrix and filter plate, the upper surface of described matrix is provided with lens arra and raised step, and lens arra is positioned at the central area of body upper surface, and raised step is positioned at the both sides of upper surface; The central area of the lower surface of described matrix is provided with ramp structure, and ramp structure center line and lens arra are positioned at same plane, and filter plate is located at the inclined-plane place of ramp structure relative with lens arra position; The both sides of described matrix are provided with the guide pinhole matching with multimode guide pin.
Further, the above-mentioned optical device of realizing multichannel light beam splitting, described filter plate is located at the inclined-plane place of ramp structure by bonding way or evaporation mode.
Further, the above-mentioned optical device of realizing multichannel light beam splitting, described filter plate and junction, inclined-plane are coated with index matching thing layer.
Again further, the above-mentioned optical device of realizing multichannel light beam splitting, described matrix is integral type resin structure.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significantly progressive being mainly reflected in:
Can realize coupling between hyperchannel VCSEL laser instrument and multimode optical fiber and the monitoring function of back facet current for the optical beam splitting device of QSFP+ SR4 structure simultaneously.This device architecture is simple, with low cost, manufacture craft is very convenient, realizes the monitoring back light function of hyperchannel VCSEL array, realizes the function of multichannel light beam splitting coupling by passive mode, is applicable to mass production applications.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: the optical device schematic side view that realizes multichannel light beam splitting;
Fig. 2: the optical device schematic top plan view that realizes multichannel light beam splitting;
Fig. 3: the assembling schematic diagram of the optical device of realizing multichannel light beam splitting in multimode assembly;
Fig. 4: the light emission signal transmission schematic diagram in multimode assembly;
Fig. 5: the each device assembling schematic top plan view in multimode assembly.
Embodiment
As shown in Figure 1 and Figure 2, realize the optical device of multichannel light beam splitting, comprise matrix 1 and filter plate 2, matrix 1 is the integral structure of resin disposal molding, the upper surface of matrix 1 is provided with lens arra 3 and raised step 4, and lens arra 3 is positioned at the central area of body upper surface, for being coupled and aligned between optoelectronic component array and multimode optical fiber, raised step 4 is positioned at the both sides of upper surface, is used to form the suitable focal length of lens; The central area of the lower surface of described matrix 1 is provided with ramp structure, ramp structure center line and lens arra are positioned at same plane, main shaft forms certain angle, filter plate 2 is located at the inclined-plane place of ramp structure relative with lens arra 3 positions by bonding way or evaporation mode, and filter plate and junction, inclined-plane are coated with index matching thing layer; The both sides of described matrix are provided with the guide pinhole 5 matching with multimode guide pin 8.
As shown in Figure 3, realize the application of the optical device of multichannel light beam splitting control, underlay substrate 6, the matrix 1 of two docking and multimode MT Ferrule 7 link together by multimode guide pin 8, filter plate 2 is placed between two matrixes 1, in the middle of being fixed on by two inclined-planes, underlay substrate 6, on matrix 1 and multimode MT Ferrule 7, all there are two and the corresponding through hole of multimode guide pin 8 size, on underlay substrate 6, be fixed with VCSEL planar laser with vertical cavity array 9 and PD photodetector array 10, VCSEL planar laser with vertical cavity array 9 placement parallel with PD detector array 10, light hole is corresponding with lens arra 3 positions in man-to-man mode, and be coupled one to one with the multimode fiber array 11 in multimode MT Ferrule7.
As shown in Figure 4, the light that VCSEL laser instrument 9 sends is after the lens arra on matrix 1, there is light splitting in the filter plate 2 through inclined-plane place, wherein a road light beam is reflected MPD back light detector array 12 oliquely downward, realize detection backlight, MPD back light detector array 12 is integrated on underlay substrate 6, the angle of inclination of the determining positions ramp structure of MPD back light detector array 12.Another Reuter cross light beam again matrix 1 converge and enter multimode optical fiber via lens, realize signal transmission.
As shown in Figure 5, overlook from matrix 1 top, lens arra 3 is corresponding with the photodevice matrix on underlay substrate 6, and the light hole of VCSEL laser array 9 and PD detector array 10 aligns in man-to-man mode with lens arra 3; The guide pinhole of matrix 1 both sides also with below underlay substrate 6 on guide pinhole overlapping.On underlay substrate 6 integrated MPD back light detector array 12 be positioned at VCSEL laser array 9 under, the light beam separating for the sheet 2 that accepts filter, carries out monitoring back light.
The simple optical device of effectively realizing multichannel light beam splitting control, utilizes resin disposal molding, and utilizes lens arra to converge coupling to hyperchannel light beam, utilizes inclined-plane to realize light beam light splitting and monitoring back light function.
In sum, the utility model is for the optical beam splitting device of QSFP+ SR4 structure, can realize coupling between hyperchannel VCSEL laser instrument and multimode optical fiber and the monitoring function of back facet current simultaneously.This device architecture is simple, with low cost, manufacture craft is very convenient, realizes the monitoring back light function of hyperchannel VCSEL array, realizes the function of multichannel light beam splitting coupling by passive mode, is applicable to mass production applications.
It is emphasized that: be only preferred embodiment of the present utility model above, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. the optical device of realizing multichannel light beam splitting, is characterized in that: comprise matrix and filter plate, the upper surface of described matrix is provided with lens arra and raised step, and lens arra is positioned at the central area of body upper surface, and raised step is positioned at the both sides of upper surface; The central area of the lower surface of described matrix is provided with ramp structure, and ramp structure center line and lens arra are positioned at same plane, and filter plate is located at the inclined-plane place of ramp structure relative with lens arra position; The both sides of described matrix are provided with the guide pinhole matching with multimode guide pin.
2. the optical device of realizing multichannel light beam splitting according to claim 1, is characterized in that: described filter plate is located at the inclined-plane place of ramp structure by bonding way or evaporation mode.
3. the optical device of realizing multichannel light beam splitting according to claim 1, is characterized in that: described filter plate and junction, inclined-plane are coated with index matching thing layer.
4. the optical device of realizing multichannel light beam splitting according to claim 1, is characterized in that: described matrix is integral type resin structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289714.4U CN203930138U (en) | 2014-06-03 | 2014-06-03 | Realize the optical device of multichannel light beam splitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289714.4U CN203930138U (en) | 2014-06-03 | 2014-06-03 | Realize the optical device of multichannel light beam splitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930138U true CN203930138U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420289714.4U Withdrawn - After Issue CN203930138U (en) | 2014-06-03 | 2014-06-03 | Realize the optical device of multichannel light beam splitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984067A (en) * | 2014-06-03 | 2014-08-13 | 苏州洛合镭信光电科技有限公司 | Optical device allowing multi-channel light beam splitting to be achieved |
-
2014
- 2014-06-03 CN CN201420289714.4U patent/CN203930138U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984067A (en) * | 2014-06-03 | 2014-08-13 | 苏州洛合镭信光电科技有限公司 | Optical device allowing multi-channel light beam splitting to be achieved |
| CN103984067B (en) * | 2014-06-03 | 2016-08-17 | 苏州洛合镭信光电科技有限公司 | Realize the optical device of multichannel light beam splitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |