CN107045168A - A kind of high-performance single fiber four-way ComboPON optical devices - Google Patents
A kind of high-performance single fiber four-way ComboPON optical devices Download PDFInfo
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- CN107045168A CN107045168A CN201710438670.5A CN201710438670A CN107045168A CN 107045168 A CN107045168 A CN 107045168A CN 201710438670 A CN201710438670 A CN 201710438670A CN 107045168 A CN107045168 A CN 107045168A
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- light
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- pedestal
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- fiber
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- 230000003287 optical effect Effects 0.000 title claims abstract description 61
- 239000000835 fiber Substances 0.000 title claims abstract description 40
- 239000013307 optical fiber Substances 0.000 claims abstract description 52
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000037361 pathway Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
Abstract
The invention discloses a kind of high-performance single fiber four-way ComboPON optical devices, including pedestal, the pedestal is provided with through channel, the head end of the pedestal is provided with fiber adapter, the optical fiber end collimation lens in front of fiber adapter is provided with the through channel, the transmitting terminal collimation lens in front of 1577nm laser beam emitting heads and 1490nm laser beam emitting heads is provided with the through channel, 1577nm light can be passed through and 1490nm light is reflected into the 3rd optical filter along channel direction directive optical fiber by being provided with the through channel, the 1270nm light that 1310nm light can be passed through and can inject optical fiber by being provided with the through channel is reflected towards the first optical filter of 1270nm laser pick-ofves head, the 1310nm light that optical fiber can be injected by being set in the through channel is reflected towards the second optical filter of 1310nm laser pick-ofves head.The present invention have the advantages that compact conformation simply, power attenuation.
Description
Technical field
The present invention relates to communication apparatus, more particularly, to a kind of compact conformation is simple, a kind of power attenuation high-performance list
Fine four-way ComboPON optical devices.
Background technology
GPON, which is upgraded to 10GGPON, two kinds of the ComboPON schemes of external wave multiplexer scheme and optical module unification.It is external
Wave multiplexer scheme need to increase OLT machine frames, frame, 10GPON line cards, external wave multiplexer and the corollary equipment such as jumping fiber and ODF framves newly, build
It is set as high, computer room space hold is big, and construction and wiring are complicated, management and difficult in maintenance.In addition, the light that external wave multiplexer is introduced
Power attenuation can also influence existing network ONU optical power budget, the risk that there is influence customer service.Conversely, being closed using optical module
One ComboPON schemes, GPON and 10GGPON optical wavelength is carried out after binary channels multiplex from same light in an optical module
Mouth output, when carrying out 10GGPON upgradings, need to only be used on the GPON line cards on ComboPON line cards replacement original OLT, former GPON line cards
The synchronous cutover of optical fiber to coexisting for GPON and 10GGPON can be achieved on ComboPON line cards.The program reuses ODN and original
Equipment machine frame, it is not necessary to the newly-increased corollary equipment such as relevant device and external multiplex, has computer room empty than external wave multiplexer scheme
Between take less, network upgrade is simple, safeguard easily, business being the advantages of quickly open, do not influence existing network business, overall small investment.
The collimated light path carried out mostly using Gaussian beam or monolithic collimation lens in current ComboPON light path.Directly use Gauss
Because light beam will cause power attenuation excessive by more angle optical filter in the light path of light beam；And use monolithic collimation saturating
Light path in mirror light path due to collimation lens just for device receiving terminal is collimated, although solve receiving terminal RxTO focal length
The problem being difficult to, but do not have any improvement to the transmitting terminal of device, device still has the problem of power attenuation is big.
The content of the invention
To overcome the shortcoming of prior art, present invention aims at provide a kind of compact conformation it is simple, power attenuation one
Plant high-performance single fiber four-way ComboPON optical devices.
What the present invention was realized by following technical measures, a kind of high-performance single fiber four-way ComboPON optical devices, including base
Seat, the pedestal is provided with through channel, and the head end of the pedestal is provided with fiber adapter, the fiber adapter and can inserted
The optical fiber of optical transmission pathway can be formed with through channel by entering, and the tail end of the pedestal is provided with and can penetrated light by through channel
To the 1577nm laser beam emitting heads of optical fiber, light biography can be formed by through channel and optical fiber by being provided with above the tail end of the pedestal
The 1490nm laser beam emitting heads of defeated path, the head end of the pedestal is respectively arranged with can form light biography by through channel and optical fiber
The 1270nm light-receivings head and 1310nm light-receiving heads of defeated path；It is provided with the through channel in front of fiber adapter
Optical fiber end collimation lens, be provided with before 1577nm laser beam emitting heads and 1490nm laser beam emitting heads in the through channel
Being provided with the transmitting terminal collimation lens of side, the through channel can be reflected into along logical through 1577nm light and by 1490nm light
It is provided with what can be passed through 1310nm light and optical fiber can be injected in 3rd optical filter of road direction directive optical fiber, the through channel
1270nm light is reflected towards setting can inject optical fiber in the first optical filter of 1270nm laser pick-ofves head, the through channel
1310nm light is reflected towards the second optical filter of 1310nm laser pick-ofves head.
As a kind of preferred embodiment, the pedestal includes the head end pedestal and tail end pedestal mutually bonded, the head end base
It is provided with fiber adapter, 1270nm laser pick-ofves head and 1310nm laser pick-off heads, the tail end pedestal and is provided with seat
1577nm laser beam emitting heads and 1490nm laser beam emitting heads.
As a kind of preferred embodiment, be provided with the through channel prevents light between the head end and tail end of pedestal
The catadioptric isolator of line.
As a kind of preferred embodiment, the light that the optical fiber is received is after the convergence of optical fiber end collimation lens in through channel
Directional light is formed, the emitted end collimation lens of light of 1577nm laser beam emitting heads or 1490nm the laser beam emitting heads transmitting is assembled
Directional light is formed in through channel afterwards.
As a kind of preferred embodiment, the light and 1490nm laser beam emitting heads of the 1577nm laser beam emitting heads outgoing are through
The axis of the light of three optical filters reflection overlaps setting with the central axis of optical fiber end collimation lens and transmitting terminal collimation lens.
As a kind of preferred embodiment, the size of the transmitting terminal collimation lens is：H=1.24mm, f=4..95, Φ=
2.5mm, convex surface circular arc R=2.0mm；The size of the optical fiber end collimation lens is：H=1.04mm, f=1.58, Φ=
2.5mm, convex surface circular arc R=2.0mm.
As a kind of preferred embodiment, the collimation hot spot after the optical fiber end collimation lens or transmitting terminal collimation lens are collimated is big
Small is Φ≤0.4mm.
As a kind of preferred embodiment, the 1577nm laser beam emitting heads are arranged on by the 3rd regulation ring and the 4th regulation ring
On pedestal, the 1490nm laser beam emitting heads are arranged on pedestal by the second regulation ring.
As a kind of preferred embodiment, the fiber adapter is arranged on pedestal by the first regulation ring.
As a kind of preferred embodiment, the 1310nm laser pick-ofves head is arranged on pedestal by the 5th regulation ring.
The present invention is provided with double-collimation lens (optical fiber end collimation lens and transmitting terminal collimation lens) in through channel, by
In the presence of two panels collimation lens so that device inside light path only exists collimated light (directional light), reduce light and pass through the first filter
The loss of mating plate and the second optical filter, improves the power (parallel optical attenuation≤0.2dB in 30mm distance) of device, simultaneously
Optical fiber end collimation lens also solves the problems, such as receiving terminal RxTO focal length well.The collimation of the double-collimation lens forming of the present invention
Orthogonal light path exists only in device inside, makes component compact simple, can production be greatly improved, while when hair
Penetrate light and be adapted into original Gaussian beam again after the meeting into optical fiber end collimation lens and propagated by optical fiber.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the profile of the embodiment of the present invention.
Fig. 3 is the profile that the embodiment of the present invention is decomposed.
Embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.
A kind of high-performance single fiber four-way ComboPON optical devices, referring to figs. 1 to Fig. 3, including the head end pedestal 4 mutually bonded
With tail end pedestal 16, the head end pedestal 4 and tail end pedestal 16 are provided with through channel, the head end pedestal 4 and are provided with light
Can be inserted on fine adapter 1, the fiber adapter 1 can form the optical fiber of optical transmission pathway, the head end base with through channel
Seat 4 on be also respectively provided with can by through channel and optical fiber formation optical transmission pathway 2.5G (1270nm) light-receiving first 5 and
1.25G (1310nm) light-receiving first 12；Being provided with the tail end pedestal 16 can be by through channel by light directive optical fiber
It is also equipped with that light biography can be formed by through channel and optical fiber on 10G (1577nm) laser beam emitting head 18, the tail end pedestal 16
The optical fiber positioned at the front of fiber adapter 1 is provided with 2.5G (1490nm) laser beam emitting head 6 of defeated path, the through channel
Hold and be provided with collimation lens 3, the through channel positioned at 1577nm laser beam emitting heads 18 and the front of 1490nm laser beam emitting heads 6
Transmitting terminal collimation lens 15, being provided with the through channel can be reflected into along logical through 1577nm light and by 1490nm light
Being provided with 3rd optical filter 8 at 45 degree of angles of road direction directive optical fiber, the through channel can be through 1310nm light and can be by
The 1270nm light that optical fiber is injected is reflected towards first optical filter 10 at 45 degree of angles of 1270nm laser pick-ofves first 5, the through channel
The 1310nm light that upper setting can inject optical fiber is reflected towards second optical filter 13 at 45 degree of angles of 1310nm laser pick-ofves first 12.
This optical module is provided with double-collimation lens (optical fiber end collimation lens 3 and transmitting terminal collimation lens in through channel
15), due to the presence of two panels collimation lens so that device inside light path only exists collimated light (directional light), reduces light and passes through
The loss of first optical filter 10 and the second optical filter 13, improve device power (in 30mm distance parallel optical attenuation≤
0.2dB), while optical fiber end collimation lens 3 also solves the problems, such as receiving terminal RxTO focal length well.The key point of the program exists
Exist only in device inside in the collimation orthogonal light path of double-collimation lens forming, component compact is simple, can production obtain
Very big lifting, while passing through when emit light into optical fiber end collimation lens 3 and be adapted into original Gaussian beam again after the meeting
Optical fiber is propagated.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
It is specific it is also possible that being provided with through channel anti-between head end pedestal 4 and tail end pedestal 16 on the basis of art scheme
The only catadioptric isolator 14 of light, so as to avoid transmitting light through the first optical filter 10, the second optical filter 13 and the first optical filter 10
The interference phenomenon formed after reflection.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
After the specific light for being also possible that optical fiber is received is assembled through optical fiber end collimation lens 3 on the basis of art scheme in through channel
Form directional light, the emitted end collimation lens of light of 1577nm laser beam emitting heads 18 or 1490nm laser beam emitting heads 6 transmitting
Directional light is formed in through channel after 15 convergences.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
It is specific it is also possible that the light and 1490nm laser beam emitting heads 6 of the outgoing of 1577nm laser beam emitting heads 18 are passed through on the basis of art scheme
The axis of the light of 3rd optical filter 8 reflection is overlapped with the central axis of optical fiber end collimation lens 3 and transmitting terminal collimation lens 15
Set.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
It is specific it is also possible that the size of transmitting terminal collimation lens 15 is on the basis of art scheme：H=1.24mm, f=4..95, Φ=
2.5mm, convex surface circular arc R=2.0mm；The size of the optical fiber end collimation lens 3 is：H=1.04mm, f=1.58, Φ=
2.5mm, convex surface circular arc R=2.0mm.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
The specific collimation hot spot being also possible that after optical fiber end collimation lens 3 or the collimation of transmitting terminal collimation lens 15 on the basis of art scheme
Size is Φ≤0.4mm.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
It is specific on the basis of art scheme to be also possible that because the focal length tolerance of 1577nm laser beam emitting heads 18 is larger, 1577nm Laser emissions
First 18 are arranged on tail end pedestal 16 by the 3rd regulation ring 9 and the 4th regulation ring 17, and the 1490nm laser beam emitting heads 6 pass through
Second regulation ring 7 is arranged on tail end pedestal 16.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
Specifically it is also possible that fiber adapter 1 is arranged on pedestal by the first regulation ring 2 on the basis of art scheme.
In a kind of high-performance single fiber four-way ComboPON optical devices of an embodiment, Fig. 1 to Fig. 3 is refer to, in above skill
Specifically it is also possible that 1310nm laser pick-ofves first 12 are arranged on pedestal by the 5th regulation ring 11 on the basis of art scheme.
Above is being set forth a kind of high-performance single fiber four-way ComboPON optical devices of the invention, it is used to help understand
The present invention, but embodiments of the present invention and be not restricted to the described embodiments, it is any without departing from being made under the principle of the invention
Change, modify, substitute, combine, simplify, should be equivalent substitute mode, be included within protection scope of the present invention.
Claims (10)
1. a kind of high-performance single fiber four-way ComboPON optical devices, it is characterised in that：Including pedestal, the pedestal is provided with insertion
Passage, the head end of the pedestal, which is provided with, can be inserted on fiber adapter, the fiber adapter and can form light with through channel
The optical fiber of transmission channel, the tail end of the pedestal is provided with and can sent out the 1577nm laser of light directive optical fiber by through channel
Penetrate and be provided with and can be sent out by the 1490nm laser of through channel and optical fiber formation optical transmission pathway above head, the tail end of the pedestal
Head is penetrated, the head end of the pedestal is respectively arranged with can be by through channel and the 1270nm light-receivings of optical fiber formation optical transmission pathway
Head and 1310nm light-receiving heads；The optical fiber end collimation lens in front of fiber adapter, institute are provided with the through channel
The transmitting terminal collimation lens being provided with through channel in front of 1577nm laser beam emitting heads and 1490nm laser beam emitting heads is stated,
The along channel direction directive optical fiber can be reflected into through 1577nm light and by 1490nm light by being provided with the through channel
The 1270nm light that 1310nm light can be passed through and can inject optical fiber by being provided with three optical filters, the through channel is reflected towards
The 1310nm light that can inject optical fiber is set to be reflected towards in first optical filter of 1270nm laser pick-ofves head, the through channel
Second optical filter of 1310nm laser pick-ofves head.
2. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：The pedestal
Fiber adapter, 1270nm laser are installed including the head end pedestal and tail end pedestal mutually bonded, on the head end pedestal to connect
Receive and 1577nm laser beam emitting heads and 1490nm Laser emissions are installed on head and 1310nm laser pick-off heads, the tail end pedestal
Head.
3. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：The insertion
The isolator for preventing that light is catadioptric between the head end and tail end of pedestal is provided with passage.
4. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：The optical fiber
The light of reception forms directional light after being assembled through optical fiber end collimation lens in through channel, the 1577nm laser beam emitting heads or
The emitted end collimation lens of light of 1490nm laser beam emitting heads transmitting forms directional light after assembling in through channel.
5. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 4, it is characterised in that：It is described
The axis and light for the light that the light and 1490nm laser beam emitting heads of 1577nm laser beam emitting head outgoing reflect through the 3rd optical filter
The central axis of fine end collimation lens and transmitting terminal collimation lens, which is overlapped, to be set.
6. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：The transmitting
End collimation lens size be：H=1.24mm, f=4..95, Φ=2.5mm, convex surface circular arc R=2.0mm；The optical fiber end is accurate
Directly the size of lens is：H=1.04mm, f=1.58, Φ=2.5mm, convex surface circular arc R=2.0mm.
7. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：The optical fiber
It is Φ≤0.4mm to hold the collimation spot size after collimation lens or transmitting terminal collimation lens collimation.
8. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：It is described
1577nm laser beam emitting heads are arranged on pedestal by the 3rd regulation ring and the 4th regulation ring, and the 1490nm laser beam emitting heads lead to
The second regulation ring is crossed on pedestal.
9. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：The optical fiber
Adapter is arranged on pedestal by the first regulation ring.
10. a kind of high-performance single fiber four-way ComboPON optical devices according to claim 1, it is characterised in that：It is described
1310nm laser pick-ofves head is arranged on pedestal by the 5th regulation ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438670.5A CN107045168A (en) | 2017-06-12 | 2017-06-12 | A kind of high-performance single fiber four-way ComboPON optical devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438670.5A CN107045168A (en) | 2017-06-12 | 2017-06-12 | A kind of high-performance single fiber four-way ComboPON optical devices |
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| Publication Number | Publication Date |
|---|---|
| CN107045168A true CN107045168A (en) | 2017-08-15 |
Family
ID=59546397
Family Applications (1)
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|---|---|---|---|
| CN201710438670.5A Pending CN107045168A (en) | 2017-06-12 | 2017-06-12 | A kind of high-performance single fiber four-way ComboPON optical devices |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107526133A (en) * | 2017-08-24 | 2017-12-29 | 合肥文武信息技术有限公司 | A kind of fibre concentrator structure |
| CN108152897A (en) * | 2018-01-19 | 2018-06-12 | 深圳市亚派光电器件有限公司 | A kind of optical transceiver |
| WO2020019104A1 (en) * | 2018-07-23 | 2020-01-30 | 华为技术有限公司 | Optical component, optical module, and communication device |
| CN112859257A (en) * | 2021-01-21 | 2021-05-28 | 瑞泰(威海)电子科技有限公司 | Four-way optical path device compatible with 10G GPON and processing method |
| EP4180849A1 (en) * | 2021-11-10 | 2023-05-17 | Ezconn Corporation | Passive optical network dual system module |
| EP4215964A1 (en) * | 2022-01-20 | 2023-07-26 | Ezconn Corporation | Optical device |
| US11860419B2 (en) | 2020-04-09 | 2024-01-02 | Huawei Technologies Co., Ltd. | Optical communication device and optical signal processing method |
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Application publication date: 20170815 |