CN208888422U - A kind of unicast Single-fiber two-way light transceiver - Google Patents
A kind of unicast Single-fiber two-way light transceiver Download PDFInfo
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- CN208888422U CN208888422U CN201821623732.6U CN201821623732U CN208888422U CN 208888422 U CN208888422 U CN 208888422U CN 201821623732 U CN201821623732 U CN 201821623732U CN 208888422 U CN208888422 U CN 208888422U
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- emitting laser
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Abstract
The utility model relates to technical field of optical fiber communication, in particular to a kind of unicast Single-fiber two-way light transceiver, its fiber adapter and emitting laser are oppositely arranged, it receives laser and is mounted on emitting laser neighbour side, transflector mirror is arranged on the line between fiber adapter and emitting laser against the position for receiving laser.Light is projected from fiber port and is entered reception laser after the reflection of transflector mirror, realizes the reception of light；Light passes through one-way isolator by emitting laser and transflector mirror is directly entered the fiber port on its opposite, and one-way isolator plays the role of barrier light and passes through transflector mirror to emitting laser from fiber port.The transmitting-receiving of single-wavelength light only can be realized in the unicast Single-fiber two-way light transceiver with a set of optical transceiving device, and cost is relatively low.Also, integral device arrangement is compact, light-receiving chip is also embedded into its substrate, then substrate is embedded into the groove for receiving the end of laser, further reduces package dimension.
Description
Technical field
The utility model relates to technical field of optical fiber communication, in particular to a kind of unicast Single-fiber two-way light transceiver.
Background technique
With the development of optical communication technique, in order to improve the transmission rate of fibre-optic transmission system (FOTS), CWDM is transmitted in optical fiber is
It is widely applied in system, each channel wavelength of CWDM system is all set to the +/- 6.5nm of central wavelength, each channel wavelength at present
It is fixed, cause CWDM optical module that can only will emit and receive signal and uses two optical fiber transmission, the optical fiber of fibre-optic transmission system (FOTS) respectively
Higher cost.In addition, right with ODTR system (Optical Time Domain Reflectometer, optical time domain reflectometer)
When optical transceiver is detected, transmitting and reception are also required to monitor optical fiber transmission system in real time using identical wavelength (1625nm)
Whether the optical signal of system interrupts in transmission process, needs to use two bi-directional single fiber components to realize, than as shown in Figure 1
Double wave Single-fiber two-way light transceiver, higher cost, and two bi-directional single fiber components will increase optical transceiver package dimension.
Utility model content
The purpose of this utility model is that avoiding above-mentioned shortcoming in the prior art and providing a kind of unicast single fiber pair
To optical transceiver, equipment cost and package dimension are reduced.
To achieve the above object, a kind of unicast Single-fiber two-way light transceiver is provided, including pedestal and is separately mounted to institute
It states the not ipsilateral fiber adapter of pedestal, receive laser and emitting laser, the reception laser includes collector lens
And light-receiving chip, the emitting laser include light emitting chip and spherical lens, the reception laser and transmitting laser
Device is separately mounted to adjacent two side of pedestal；Line between the fiber adapter and emitting laser of base interior
On be placed with transflector mirror, the reflecting surface of the transflector mirror is against the fiber adapter and the position for receiving laser and connecting
It sets, the light for entering the optical transceiver from the fiber port being located on the fiber adapter enters after being reflected receives laser
Collector lens；Have between the spherical lens of the emitting laser and the transflector mirror and is passed through thoroughly for obstructing by fiber port
The one-way isolator of the light of emitting laser described in reflecting mirror directive；The light-receiving chip is embedded in its substrate so that light-receiving
The back side of chip forms protrusion, and the end for receiving laser is equipped with the groove to match with the shape of the protrusion.
Wherein, it is equipped in the pedestal backwards to the side of the reflecting surface of the transflector mirror and inhales wave part.
Wherein, the suction wave part is plate extinction wave material.
Wherein, an inclination angle is wired between the suction wave surface and fiber adapter and emitting laser for inhaling wave part.
Wherein, the transflector mirror is semi-transflective reflective wave plate.
Wherein, the fiber adapter, reception laser and emitting laser are all embedded in the pedestal, and are led to each other
Sealing is crossed to separate.
Wherein, the fiber adapter includes limit base, and the limit base is that middle part is equipped with for the through-hole across optical fiber
Bulge loop, the pedestal be equipped with for the bulge loop top be inserted into inserting groove, the top anchor ring of the bulge loop resist it is described insert
The bottom of access slot, the middle part anchor ring of the bulge loop resist on the outside of the inserting groove notch.
Wherein, the fiber adapter includes shackle member, and the shackle member includes the bottom for being respectively used to resist the bulge loop
The ladder detent of inserting groove notch on the outside of the middle part anchor ring of portion's anchor ring and the bulge loop.
The utility model has the advantages that the unicast Single-fiber two-way light transceiver, the opposite sides of pedestal install respectively fiber adapter and
Emitting laser receives laser and is then mounted on the side adjacent with emitting laser.Base interior fiber adapter and
Transflector mirror is placed on line between emitting laser, the reflecting surface of the transflector mirror against fiber adapter and receives sharp
The position that light device connects, the light for entering the optical transceiver from the fiber port being located on fiber adapter enters after being reflected to be received
The collector lens of laser realizes the reception of light；Light passes through one-way isolator by emitting laser and transflector mirror is directly entered
The fiber port on its opposite, one-way isolator play barrier light and pass through work of the transflector mirror to emitting laser from fiber port
With.The transmitting-receiving of single-wavelength light only can be realized in the unicast Single-fiber two-way light transceiver with a set of optical transceiving device, and cost is relatively low.And
And integral device arrangement is compact, light-receiving chip is also embedded into its substrate, then substrate is embedded into the end for receiving laser
Groove further reduces package dimension.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double wave Single-fiber two-way light transceiver in the prior art.
Fig. 2 is the structural schematic diagram of the unicast Single-fiber two-way light transceiver.
Appended drawing reference: 1. pedestals, 2. fiber adapter, 21. shackle members, 22. limit bases, 23. fiber ports, 3., which receive, swashs
Light device, 31. collector lenses, 32. grooves, 33. light-receiving chips, 4. emitting lasers, 41. spherical lens, 5. one-way isolators,
6. wave part is inhaled in semi-transflective reflective wave plate, 7..
Specific embodiment
As shown in Fig. 2, the unicast Single-fiber two-way light transceiver includes pedestal 1 and is separately mounted to the not ipsilateral of pedestal 1
Fiber adapter 2, receive laser 3 and emitting laser 4, receive laser 3 and emitting laser 4 be separately mounted to pedestal
1 adjacent two side, emitting laser 4 and fiber adapter 2 are mounted on opposite two sides, and fiber adapter 2 receives and swashs
Light device 3 and emitting laser 4 are all embedded in pedestal 1, and are separated to each other by sealing.Fiber adapter 2 inside pedestal 1
It is placed with transflector mirror against the position for receiving laser 3 on line between emitting laser 4, which is 45 °
Semi-transflective reflective wave plate 6, reflecting surface is against fiber adapter 2 and receives the position that connects of laser 3.
Receiving laser 3 includes collector lens 31 and light-receiving chip 33, from the fiber port being located on fiber adapter 2
23 light for entering the optical transceiver enter the collector lens 31 for receiving laser 3 after being reflected, then by collector lens 31 light
The reception of light-receiving chip 33 is converged to, realizes the reception of light.Emitting laser 4 includes light emitting chip and spherical lens 41, hair
Penetrate between the spherical lens 41 of laser 4 and transflector mirror be equipped with one-way isolator 5, light by emitting laser 4 pass through unidirectionally every
From the fiber port 23 that device 5 and transflector mirror are directly entered its opposite, one-way isolator 5 plays barrier light and is worn by fiber port 23
Effect of the transflector mirror to emitting laser 4 is crossed, a part of light issued from emitting laser 4 reflects receipt by transflector mirror
To isolator 5, emitting laser 4 will not be returned after being obstructed by one-way isolator 5, thus does not interfere with emitting laser in turn
4 work.The unicast Single-fiber two-way light transceiver only can be realized the transmitting-receiving of single-wavelength light with a set of optical transceiving device, cost compared with
It is low.
Wherein, the suction wave part 7 of plate extinction wave material is equipped in pedestal 1 backwards to the side of the reflecting surface of transflector mirror, it should
It inhales and is wired to one 45 degree of inclination angles between the suction wave surface and fiber adapter 2 and emitting laser 4 of wave part 7, it can be according to reality
The area of wave part 7 is inhaled in the condition of production of border and the position of placement adjusts its angle.The light issued from fiber port 23 is by transflector
Mirror, which is reflected into, receives laser 3, at this point, also some light is obstructed after passing through transflector mirror by one-way isolator 5, this part
Light forms reflection in pedestal 1, and inhaling wave part 7 can be absorbed these light, receives so that these light be avoided to enter after multiple reflections
Laser 3 influences optical device normal work.Also, the extinction surface of the extinction part, which is with respect to the horizontal plane designed, certain inclination angle,
It can be reflected into avoid a small amount of unabsorbed light and receive laser 3.
Wherein, light-receiving chip 33 is embedded in its substrate so that the back side of light-receiving chip 33 forms protrusion, reception laser
The end of device 3 is equipped with the groove 32 to match with the shape of protrusion, can thus reduce the shape for receiving 3 place side of laser
Size so that two unicast Single-fiber two-way light transceivers can be filled by reaching in a package module, and then realizes optical fiber transmission
The low cost of system.Unicast Single-fiber two-way light transceiver integral device arrangement is compact, and light-receiving chip 33 is also embedded into it
Substrate, then substrate is embedded into the groove 32 for receiving the end of laser 3, further reduce package dimension.
Wherein, fiber adapter 2 includes limit base 22 and shackle member 21, and limit base 22 is that middle part is equipped with for across optical fiber
Through-hole bulge loop, pedestal 1 is equipped with the inserting groove of the top insertion for bulge loop, and the top anchor ring of bulge loop resists the bottom of inserting groove
Portion, the middle part anchor ring of bulge loop resist on the outside of inserting groove notch；Shackle member 21 include be respectively used to resist bulge loop bottom anchor ring and
The ladder detent of inserting groove notch on the outside of the middle part anchor ring of bulge loop.The limit base 22 and shackle member 21 of fiber adapter 2 make
Optical fiber can steadily protrude into inside pedestal 1.
Claims (8)
1. a kind of unicast Single-fiber two-way light transceiver, which is characterized in that including pedestal and be separately mounted to the pedestal not
Ipsilateral fiber adapter, reception laser and emitting laser, the reception laser includes collector lens and light-receiving core
Piece, the emitting laser include light emitting chip and spherical lens, and the reception laser and emitting laser are installed respectively
In adjacent two side of pedestal；It is placed on line between the fiber adapter and emitting laser of base interior
Reflecting mirror, the reflecting surface of the transflector mirror is against the fiber adapter and the position for receiving laser and connecting, from being located at
The light that fiber port on the fiber adapter enters the optical transceiver enters the collector lens for receiving laser after being reflected；
Have between the spherical lens of the emitting laser and the transflector mirror and transflector mirror is passed through by fiber port for obstructing
To the one-way isolator of the light of the emitting laser；The light-receiving chip be embedded in its substrate so that light-receiving chip back
Face forms protrusion, and the end for receiving laser is equipped with the groove to match with the shape of the protrusion.
2. a kind of unicast Single-fiber two-way light transceiver according to claim 1, which is characterized in that backwards to institute in the pedestal
The side for stating the reflecting surface of transflector mirror, which is equipped with, inhales wave part.
3. a kind of unicast Single-fiber two-way light transceiver according to claim 2, which is characterized in that the suction wave part is plate
Extinction wave material.
4. a kind of unicast Single-fiber two-way light transceiver according to claim 3, which is characterized in that the suction wave for inhaling wave part
An inclination angle is wired between surface and fiber adapter and emitting laser.
5. a kind of unicast Single-fiber two-way light transceiver according to claim 1, which is characterized in that the transflector mirror is half
Saturating half reflection wave plate.
6. a kind of unicast Single-fiber two-way light transceiver according to claim 1, which is characterized in that the fiber adapter,
It receives laser and emitting laser is all embedded in the pedestal, and separated to each other by sealing.
7. a kind of unicast Single-fiber two-way light transceiver according to claim 6, which is characterized in that the fiber adapter packet
Limit base is included, the limit base is middle part equipped with the bulge loop for the through-hole across optical fiber, and the pedestal, which is equipped with, supplies the bulge loop
Top insertion inserting groove, the top anchor ring of the bulge loop resists the bottom of the inserting groove, the middle part anchor ring of the bulge loop
It resists on the outside of the inserting groove notch.
8. a kind of unicast Single-fiber two-way light transceiver according to claim 7, which is characterized in that the fiber adapter packet
Shackle member is included, the shackle member includes being respectively used to resist on the outside of the bottom anchor ring of the bulge loop and the middle part anchor ring of the bulge loop
Inserting groove notch ladder detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623732.6U CN208888422U (en) | 2018-09-30 | 2018-09-30 | A kind of unicast Single-fiber two-way light transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623732.6U CN208888422U (en) | 2018-09-30 | 2018-09-30 | A kind of unicast Single-fiber two-way light transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888422U true CN208888422U (en) | 2019-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821623732.6U Active CN208888422U (en) | 2018-09-30 | 2018-09-30 | A kind of unicast Single-fiber two-way light transceiver |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531470A (en) * | 2019-08-20 | 2019-12-03 | 深圳市极致兴通科技有限公司 | A kind of single-optical fiber bi-directional transceiver of narrow wavelength interval |
| CN110794528A (en) * | 2019-12-06 | 2020-02-14 | 无锡市德科立光电子技术有限公司 | BOSA optical device applied to OTDR ranging and receiving with same wavelength |
| CN112332923A (en) * | 2020-11-26 | 2021-02-05 | 什邡凯业科技有限公司 | Miniaturized short-distance wireless optical transmission assembly |
-
2018
- 2018-09-30 CN CN201821623732.6U patent/CN208888422U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531470A (en) * | 2019-08-20 | 2019-12-03 | 深圳市极致兴通科技有限公司 | A kind of single-optical fiber bi-directional transceiver of narrow wavelength interval |
| CN110794528A (en) * | 2019-12-06 | 2020-02-14 | 无锡市德科立光电子技术有限公司 | BOSA optical device applied to OTDR ranging and receiving with same wavelength |
| CN112332923A (en) * | 2020-11-26 | 2021-02-05 | 什邡凯业科技有限公司 | Miniaturized short-distance wireless optical transmission assembly |
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