CN202995096U - High power light emitting assembly used for plastic fiber transmission simulation signal - Google Patents
High power light emitting assembly used for plastic fiber transmission simulation signal Download PDFInfo
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- CN202995096U CN202995096U CN 201220682188 CN201220682188U CN202995096U CN 202995096 U CN202995096 U CN 202995096U CN 201220682188 CN201220682188 CN 201220682188 CN 201220682188 U CN201220682188 U CN 201220682188U CN 202995096 U CN202995096 U CN 202995096U
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- light emitting
- high power
- optical fiber
- power light
- plastic optical
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Abstract
The utility model discloses a high power light emitting assembly used for a plastic fiber transmission simulation signal. The high power light emitting assembly is characterized by comprising a metal casing, a laser diode, a light isolator, a focal length adjusting ring and an SC-PC multi-mode tail fiber, wherein the laser diode and the light isolator are respectively assembled at two ends of the metal casing and have a same polarization direction, one end of the focal length adjusting ring is connected with the metal casing, and the other end of the focal length adjusting ring is connected with the SC-PC multi-mode tail fiber. The high power light emitting assembly solves a problem of large light wave attenuation existing in plastic fiber, greatly reduces light power attenuation in the plastic fiber, further improves a light wave transmission distance and transmission band width of the simulation signal and facilitates further popularization and application of the plastic fiber.
Description
Technical field
The utility model relates to the optical fiber communication technology field, is specifically related to a kind of high power light emitting module for the plastic optical fiber transmission of analogue signal.
Background technology
What the scheme of having used at present that Fiber to the home adopted is silica fibre, but silica fibre fracture in use easily appears or lose and pliability poor, break down when needing repairing, must the technical professional could operate, and complicated operation, strict to equipment and personnel, laying and maintenance cost are high.
Plastic optical fiber is the optical fiber made from a kind of light penetrating copolymer.It can utilize the simple ripe drawing process of polymkeric substance to make, so cost compare is low, and soft, diameter is larger, connecting loss is lower; Due to the above-mentioned advantage of plastic optical fiber, in existing mechanics of communication, the utilization of plastic optical fiber is more and more extensive, and the connected mode of plastic optical fiber is corresponding also to grow up.But plastic optical fiber makes the application of plastic optical fiber be very limited to overwhelming majority's light wave decay of using large (silica fibre less than 0.3dBm/km, the general 60dBm/km of plastic optical fiber) of communicating by letter, and advantage can't be brought into play.
In order to solve above-mentioned deficiency of the prior art, the utility model provides a kind of new solution.
The utility model content
The purpose of this utility model is: for the deficiencies in the prior art, a kind of high power light emitting module for the plastic optical fiber transmission of analogue signal is provided, this emitting module has overcome plastic optical fiber to the large problem of light wave decay, greatly reduce the decay of luminous power in plastic optical fiber, increased simultaneously the transmission bandwidth of transmission range and the simulating signal of light wave, plastic optical fiber is widely used.
To achieve the above object of the invention, the technical scheme that the utility model adopts is: a kind of high power light emitting module for the plastic optical fiber transmission of analogue signal is provided, it is characterized in that: comprise metal shell, laser diode, optoisolator, focus adjustment ring and SC-PC multimode pigtail; Described laser diode and optoisolator are assemblied in respectively the two ends of metal shell and have identical polarization direction; Described focus adjustment ring one end is connected with metal shell, and the other end is connected with the SC-PC multimode pigtail.
The cylindrical structure of described metal shell, an end is provided with cylindrical bulge loop, and cylindrical bulge loop internal cavities forms the laser diode mounting hole; The other end of metal shell is provided with the optoisolator mounting hole.
The inner cylindrical structure of described focus adjustment ring, outside stepped structure; The maximum gauge end of focus adjustment ring outside is connected with metal shell, and the other end is connected with the SC-PC multimode pigtail.
The cylindrical structure of described optoisolator, an end are provided with two grooves.
The described SC-PC multimode pigtail one stepped cylindrical structural of end, the other end is the SC-PC connector.
Optical fiber in described SC-PC multimode pigtail is that diameter is the multimode silica fibre of 62.5 μ m.
In sum, the high power light emitting module that is used for the plastic optical fiber transmission of analogue signal that the utility model provides comprises metal shell, laser diode, optoisolator, focus adjustment ring and SC-PC multimode pigtail; Wherein, the focus adjustment ring will be equipped with laser diode is connected metal shell and is connected with the SC-PC multimode pigtail with optoisolator, and the polarization direction of laser diode and optoisolator is unified by the domination frock; This emitting module is operated in the 1310nm wavelength place of plastic optical fiber decay less, greatly reduce the decay of luminous power in plastic optical fiber, simultaneously less in the place's dispersion of 1310nm wavelength, and then increased the transmission bandwidth of simulating signal, thereby solved plastic optical fiber to the large problem of light wave decay, plastic optical fiber is further applied.
Description of drawings
The cut-open view of the high power light emitting module that is used for the plastic optical fiber transmission of analogue signal that Fig. 1 provides for the utility model embodiment.
The left side stereographic map of the metal shell that Fig. 2 provides for the utility model embodiment.
The right perspective view of the metal shell that Fig. 3 provides for the utility model embodiment.
The stereographic map of the optoisolator that Fig. 4 provides for the utility model embodiment.
The stereographic map of the focus adjustment ring that Fig. 5 provides for the utility model embodiment.
The stereographic map of the SC-PC multimode pigtail that Fig. 6 provides for the utility model embodiment.
Wherein, 1, laser diode; 2, metal shell; 3, optoisolator; 4, focus adjustment ring; 5, SC-PC multimode pigtail; 6, cylindrical bulge loop; 7, laser diode mounting hole; 8, optoisolator mounting hole; 9, groove.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is done and is described in detail:
As shown in Figure 1, the high power light emitting module that is used for the plastic optical fiber transmission of analogue signal that the utility model provides comprises laser diode 1, optoisolator 3, metal shell 2, focus adjustment ring 4 and SC-PC multimode pigtail 5.
As extremely shown in Figure 4 in Fig. 2, the cylindrical structure of metal shell 2, one end is provided with cylindrical bulge loop 6, and cylindrical bulge loop 6 internal cavities form laser diode mounting hole 7, and laser diode 1 is assemblied in an end of metal shell 2 in the mode of wearing weldering by laser diode mounting hole 7; The other end of metal shell 2 is provided with optoisolator mounting hole 8, and optoisolator 3 is assemblied in metal shell 2 in bonding mode by optoisolator mounting hole 8; The cylindrical structure of optoisolator 3, an end are provided with two grooves 9, and the closure of groove 9 represents the polarization direction of optoisolator 3; The polarization direction of laser diode 1 and optoisolator 3 is unified by the domination frock, and when guaranteeing that it is arranged on metal shell 2, the polarization direction is identical.
As shown in Figure 5, the outside stepped structure of focus adjustment ring 4, inner cylindrical structure; The maximum gauge end of focus adjustment ring 4 outsides matches with metal shell 2, and on the other end and SC-PC multimode pigtail 5, an end of stepped cylindrical structural coordinates, and makes coupled power reach maximum.
As shown in Figure 6, the SC-PC multimode pigtail 5 one stepped cylindrical structurals of end are connected with focus adjustment ring 4, and the other end is the SC-PC connector; Optical fiber in SC-PC multimode pigtail 5 is that diameter is the multimode silica fibre of 62.5 μ m.
The principle of work of the high power light emitting module that is used for the plastic optical fiber transmission of analogue signal that the utility model provides is: by laser diode 1, the analog electrical signal that modulates is converted to analog optical signal and launches analog optical signal, analog optical signal transmits by plastic optical fiber.
Simple in structure, the easy to process and stable performance of the high power light emitting module that is used for the plastic optical fiber transmission of analogue signal that the utility model provides.This assembly is operated in the 1310nm wavelength of plastic optical fiber decay less, greatly reduces the decay of luminous power in plastic optical fiber, and is simultaneously less in the place's dispersion of 1310nm wavelength, thereby increased the transmission bandwidth of simulating signal.Therefore overcome plastic optical fiber to the large problem of light wave decay that the overwhelming majority communicates by letter and uses, made plastic optical fiber further be applied.
The utility model is not limited to above-mentioned example, in claims limited range of the present utility model, and various distortion that those skilled in the art can make without creative work or revise the protection that all is subjected to this patent.
Claims (6)
1. a high power light emitting module that is used for the plastic optical fiber transmission of analogue signal, is characterized in that: comprise metal shell, laser diode, optoisolator, focus adjustment ring and SC-PC multimode pigtail; Described laser diode and optoisolator are assemblied in respectively the two ends of metal shell and have identical polarization direction; Described focus adjustment ring one end is connected with metal shell, and the other end is connected with the SC-PC multimode pigtail.
2. the high power light emitting module for the plastic optical fiber transmission of analogue signal according to claim 1, it is characterized in that: the cylindrical structure of described metal shell, one end is provided with cylindrical bulge loop, and cylindrical bulge loop internal cavities forms the laser diode mounting hole; The other end of metal shell is provided with the optoisolator mounting hole.
3. the high power light emitting module for the plastic optical fiber transmission of analogue signal according to claim 1, is characterized in that: the inner cylindrical structure of described focus adjustment ring, outside stepped structure; The maximum gauge end of focus adjustment ring outside is connected with metal shell, and the other end is connected with the SC-PC multimode pigtail.
4. the high power light emitting module for the plastic optical fiber transmission of analogue signal according to claim 1, it is characterized in that: the cylindrical structure of described optoisolator, an end are provided with two grooves.
5. the high power light emitting module for the plastic optical fiber transmission of analogue signal according to claim 1, it is characterized in that: the described SC-PC multimode pigtail one stepped cylindrical structural of end, the other end is the SC-PC connector.
6. the high power light emitting module for the plastic optical fiber transmission of analogue signal according to claim 5, it is characterized in that: the optical fiber in described SC-PC multimode pigtail is that diameter is the multimode silica fibre of 62.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682188 CN202995096U (en) | 2012-12-12 | 2012-12-12 | High power light emitting assembly used for plastic fiber transmission simulation signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682188 CN202995096U (en) | 2012-12-12 | 2012-12-12 | High power light emitting assembly used for plastic fiber transmission simulation signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202995096U true CN202995096U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220682188 Expired - Fee Related CN202995096U (en) | 2012-12-12 | 2012-12-12 | High power light emitting assembly used for plastic fiber transmission simulation signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202995096U (en) |
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2012
- 2012-12-12 CN CN 201220682188 patent/CN202995096U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20140331 Granted publication date: 20130612 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150331 Granted publication date: 20130612 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131212 |
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| EXPY | Termination of patent right or utility model |