CN206992475U - A kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure - Google Patents
A kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure Download PDFInfo
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- CN206992475U CN206992475U CN201720781467.3U CN201720781467U CN206992475U CN 206992475 U CN206992475 U CN 206992475U CN 201720781467 U CN201720781467 U CN 201720781467U CN 206992475 U CN206992475 U CN 206992475U
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- transfer board
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Abstract
The utility model provides a kind of ROF radio frequency fiber optic transport modules of utility model individual laser package structure, it is characterized in that, the module includes shell, RF coaxial connector, frequency microwave Signals Transfer Board, driving plate, optical fiber and laser emission part, the frequency microwave Signals Transfer Board, driving plate, optical fiber and laser emission part are arranged in shell, the RF coaxial connector is arranged on shell, the RF coaxial connector is connected with frequency microwave Signals Transfer Board, the frequency microwave Signals Transfer Board is connected with laser emission part, the driving plate is connected with frequency microwave Signals Transfer Board, the light-emitting window of the laser emission part is connected with optical fiber, one end of the optical fiber passes from shell.The utility model minimizes and in light weight very much, and optical fiber fiber direction ratio is more flexible.
Description
Technical field
The frequency microwave communications field is the utility model is related to, more particularly, to a kind of using new laser encapsulating structure
ROF radio frequency fiber optic transport modules.
Background technology
Frequency microwave communication using conventional coaxial cable transmission loss it is big, can not carry out compared with long-distance transmissions, be that this is current
The general solution transmitted using radio frequency fiber optic, will realize frequency microwave on frequency microwave Signal shock to laser
Over optical fiber (ROF：Radio Over Fiber), longer-distance transmission is carried out by fiber-optic signal.
Currently have frequency microwave ROF transmitter module schematic diagrames shown in below figure 1, Fig. 2, frequency microwave signal is through coaxially connecting
Joint is input in module.Transmission application for high-speed, relatively long distance, to meet steady operation requirement, usually using DFB
Laser as light source, therefore the temperature control circuit for having to form using thermistor and refrigerator ensure laser works than
At relatively stable temperature and state.To realize this application demand, the encapsulation of Distributed Feedback Laser has used butterfly encapsulating package knot
Structure, chip of laser and the optical lens of correlation etc. and popular resistance etc. are encapsulated in shell, are formed sealing based on butterfly
The laser emission part of dress, along with laser driving circuit, laser temperature control circuit, power input outside laser emission part
A complete ROF radio frequency fiber optic transmitting module is just constituted Deng circuit and optical module structure box.
Butterfly encapsulating package structure is used so that laser emission part volume becomes larger, also brings the whole modules of ROF
The larger problem of weight.
Utility model content
The purpose of this utility model is：The problem of existing for prior art, there is provided one kind is sealed using new laser
The ROF radio frequency fiber optic transport modules of assembling structure, solve existing frequency microwave ROF transmitter modules is made using butterfly encapsulating package structure
Obtaining laser emission part volume becomes larger, also brings the larger problem of the whole module weights of ROF.
The purpose of this utility model is achieved through the following technical solutions：
A kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure, it is same that the module includes shell, radio frequency
Axis connection head, frequency microwave Signals Transfer Board, driving plate, optical fiber and laser emission part, the frequency microwave Signals Transfer Board,
Driving plate, optical fiber and laser emission part are arranged in shell, and the RF coaxial connector is arranged on shell, and the radio frequency is same
Axis connection head is connected with frequency microwave Signals Transfer Board, and the frequency microwave Signals Transfer Board is connected with laser emission part, institute
State driving plate to be connected with frequency microwave Signals Transfer Board, the light-emitting window of the laser emission part is connected with optical fiber, the optical fiber
One end passes from shell.
Further, the laser emission part is fixed on shell by metal crimp structural member.
Further, the form fit of the profile of the metal crimp structural member and laser emission part.
Further, the frequency microwave Signals Transfer Board is the frequency microwave signal converting designed using co-planar waveguide
Plate.
Further, the encapsulating structure of laser emission part seals for the laser reflecting module of 100Gbps optical-fibre communications
Assembling structure.
Compared with prior art, the utility model has advantages below：
1st, the butterfly with RF coaxial head used originally is substituted using new miniaturized high-speed rate individual laser package shell
Shape encapsulating package, bring ROF miniaturizations, reduce weight benefit, new small-sized encapsulated shell is mass in addition
Used in 100Gbps communication optical modules, availability is good, and special designs encapsulating package cost more this than former butterfly encapsulating package is more
It is low；
2nd, realize that radiofrequency signal, can basis to the signal converting of laser in ROF inside modules using microstrip line pinboard
ROF radio frequency fiber optic transmitter module practical application requests flexible topology is set, and optical fiber fiber direction ratio is more flexible, unlike former butterfly is sealed
Tubulature shell is fixed fiber direction and position；
3rd, it can realize that multi-channel rf signal input, the multichannel of multiple path laser modulation integrate ROF radio frequency fiber optics as needed
Transmitting module, and former butterfly encapsulating package is because volume is big, the fixation of fiber direction can not realize this multichannel Integrated design.
Brief description of the drawings
Fig. 1 has frequency microwave ROF transmitter module schematic diagrames to be current；
Fig. 2 is Fig. 1 left view；
Fig. 3 is structural representation of the present utility model.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
The utility model provides a kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure, such as Fig. 3 institutes
Show, the module includes shell 1, RF coaxial connector 2, frequency microwave Signals Transfer Board 3, driving plate 7, optical fiber 6 and laser hair
Penetrate part 4.Frequency microwave Signals Transfer Board 3, driving plate 7, optical fiber 6 and laser emission part 4 are arranged in shell 1.Radio frequency is same
Axis connection first 2 is arranged on shell 1, and the RF coaxial connector 2 is connected with frequency microwave Signals Transfer Board 3.Frequency microwave is believed
Number pinboard 3 is connected with laser emission part 4.Driving plate 7 is connected with frequency microwave Signals Transfer Board 3.Laser emission part 4
Light-emitting window is connected with optical fiber 6, and one end of the optical fiber 6 passes from shell 1.
RF coaxial connector 2 uses general commercial device, same without using dedicated custom exploitation and the radio frequency of shell one
Axis connection head, reduces cost, and availability is good.Frequency microwave Signals Transfer Board 3 is designed using co-planar waveguide, for radio frequency is same
The radiofrequency signal of spindle nose input is transferred on laser.The miniaturization laser that the package casing of laser emission part 4 specially uses
Device encapsulating structure, i.e., using 100Gbps optical communications individual laser package shell structure, space-consuming volume is reduced, to realize
Miniaturization module design provides the foundation.Metal crimp structural member 5 is for being fixed miniaturization individual laser package shell
Metal crimp structural member, make its profile and power mini laser package shell form fit by specially designing crimp, be easy to pair
Shell clamping and crimping, upper and lower, left-right looseness is avoided, crimp both sides have screw hole to make to be attached by screws to ROF transmitter modules
On the bottom surface of structural member.Driving plate 7 is the electricity of the drive circuit for driving laser and the circuit for laser temperature control
Road plate.
Laser emission part 4 is fixed on shell by metal crimp structural member 5.The profile of metal crimp structural member is with swashing
The form fit of light emitting members.Frequency microwave Signals Transfer Board is the frequency microwave signal converting designed using co-planar waveguide
Plate.The encapsulating structure of laser emission part is the laser reflecting module encapsulating structure of 100Gbps optical-fibre communications.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, should be referred to
Go out, all made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., all should include
Within the scope of protection of the utility model.
Claims (5)
1. a kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure, it is characterised in that the module includes outer
Shell, RF coaxial connector, frequency microwave Signals Transfer Board, driving plate, optical fiber and laser emission part, the frequency microwave letter
Number pinboard, driving plate, optical fiber and laser emission part are arranged in shell, and the RF coaxial connector is arranged on shell
On, the RF coaxial connector is connected with frequency microwave Signals Transfer Board, the frequency microwave Signals Transfer Board and Laser emission
Part is connected, and the driving plate is connected with frequency microwave Signals Transfer Board, and light-emitting window and the optical fiber of the laser emission part connect
Connect, one end of the optical fiber passes from shell.
2. a kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure according to claim 1, it is special
Sign is that the laser emission part is fixed on shell by metal crimp structural member.
3. a kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure according to claim 2, it is special
Sign is, the profile of the metal crimp structural member and the form fit of laser emission part.
4. a kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure according to claim 1, it is special
Sign is that the frequency microwave Signals Transfer Board is the frequency microwave Signals Transfer Board designed using co-planar waveguide.
5. a kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure according to claim 1, it is special
Sign is that the encapsulating structure of laser emission part is the laser reflecting module encapsulating structure of 100Gbps optical-fibre communications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781467.3U CN206992475U (en) | 2017-06-30 | 2017-06-30 | A kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781467.3U CN206992475U (en) | 2017-06-30 | 2017-06-30 | A kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992475U true CN206992475U (en) | 2018-02-09 |
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ID=61400404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720781467.3U Active CN206992475U (en) | 2017-06-30 | 2017-06-30 | A kind of ROF radio frequency fiber optic transport modules using new laser encapsulating structure |
Country Status (1)
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| CN (1) | CN206992475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780398A (en) * | 2019-11-13 | 2020-02-11 | 中国电子科技集团公司第二十九研究所 | Direct-adjusting analog electro-optical conversion integrated assembly |
| CN110932088A (en) * | 2019-11-18 | 2020-03-27 | 中航光电科技股份有限公司 | Miniaturized ultra wide band DFB radio frequency laser based on BOX encapsulation |
-
2017
- 2017-06-30 CN CN201720781467.3U patent/CN206992475U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780398A (en) * | 2019-11-13 | 2020-02-11 | 中国电子科技集团公司第二十九研究所 | Direct-adjusting analog electro-optical conversion integrated assembly |
| CN110932088A (en) * | 2019-11-18 | 2020-03-27 | 中航光电科技股份有限公司 | Miniaturized ultra wide band DFB radio frequency laser based on BOX encapsulation |
| CN110932088B (en) * | 2019-11-18 | 2021-12-24 | 中航光电科技股份有限公司 | Miniaturized ultra wide band DFB radio frequency laser based on BOX encapsulation |
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