CN208737057U - A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type - Google Patents
A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type Download PDFInfo
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- CN208737057U CN208737057U CN201821680195.9U CN201821680195U CN208737057U CN 208737057 U CN208737057 U CN 208737057U CN 201821680195 U CN201821680195 U CN 201821680195U CN 208737057 U CN208737057 U CN 208737057U
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- dew point
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Abstract
The utility model discloses a kind of double hair hermetically sealed optical devices of cell type of the double receipts of parallel photo structure, including the cell type Dew Point with ceramic multilayer circuit, it is located on the circuit outside cell type Dew Point in ceramic multilayer circuit and is electrically connected with the first flexible circuit board and the second flexible circuit board, first laser device is internally provided in cell type Dew Point, second laser, first photodiode, second photodiode, first trans-impedance amplifier, second trans-impedance amplifier, reflecting mirror, first filter plate, second filter plate, third filter plate, 4th filter plate, first collimation lens, second collimation lens, first condenser lens, second condenser lens；Common end lens are arranged in the outside of third filter plate inside cell type Dew Point, and setting fiber stub covers component at the lens of common end outside cell type Dew Point.The utility model improves the integrated level of optical device, reduces volume, so that packaging technology more simplifies, improves the coupling efficiency of device.
Description
Technical field
The utility model relates to a kind of double light receiving device parts of double hairs for the transmission of single mode optical fiber data, are applied to optical communication technology
Art field.
Background technique
With data center, the development of passive optical network optical fiber to family and Wireless data transmission net, minimizes Integrated Light and receive
The application for being hermetically encapsulated in the transmission of short distance single mode optical fiber wavelength division multiplexed data of hair device above has very big demand.Existing multichannel light
Device sealing packaging method is hermetically sealed one by one using single optical device, then carries out wavelength-division multiplex；Or use all lasers
It is hermetically sealed hermetically sealed in light receiving element in a light emitting devices and all photodiodes, then carry out wavelength-division and answer
With.Due to using discrete device, integrated level is low for these encapsulation, it tends to be difficult to and accomplish lesser volume, there is more complex technique, compared with
High cost.
Summary of the invention
The shortcomings that in order to overcome the prior art, the utility model provide a kind of double pair hair cell type of receiving of parallel photo structure and seal
Packaging optical device.
The technical scheme adopted by the utility model is a kind of parallel photo structure is double to receive double hair hermetically sealed smooth devices of cell type
Part is located at the electricity outside cell type Dew Point in ceramic multilayer circuit including the cell type Dew Point with ceramic multilayer circuit
Road is electrically connected with the first flexible circuit board and the second flexible circuit board, is located inside cell type Dew Point in ceramic multilayer circuit
Circuit on be electrically connected with first laser device, second laser, the first photodiode, the second photodiode, first across resistance
Amplifier, the second trans-impedance amplifier, wherein the first trans-impedance amplifier and the first photodiode, the second trans-impedance amplifier and second
It is realized and is electrically connected by gold thread respectively between photodiode；The first filter plate, second are internally provided in cell type Dew Point
Filter plate, third filter plate and the 4th filter plate are in 45 ° both with respect to optical transmission direction；In the first photodiode and second
Reflecting mirror is set above photodiode, in which: the first filter plate is high to λ 1, λ 4 anti-, and the second filter plate is high to λ 1 anti-, high to λ 2
Thoroughly, third filter plate is high to λ 1, λ 2 thoroughly, high to λ 3, λ 4 anti-, and the 4th filter plate is high to λ 3 thoroughly, and high to λ 4 anti-, reflecting mirror is to λ 3, λ
4 is high anti-；First collimation lens is set between first laser device and the first filter plate, second laser and the second filter plate it
Between the second collimation lens is set；The first condenser lens is set between the 4th filter plate and reflecting mirror, in the first filter plate and instead
It penetrates between mirror and the second condenser lens is set；Common end lens are arranged in the outside of third filter plate inside cell type Dew Point,
Setting fiber stub covers component at the lens of common end outside cell type Dew Point.
Compared with prior art, the good effect of the utility model is:
A kind of parallel photo structure of the utility model is double to receive double hair hermetically sealed optical devices of cell type, by two lasers, two
A photodiode and its associated component are encapsulated in the hermetically sealed shell of cell type, and real by internal filter plate and lens
Show the double functions of receiving of the double hairs of single fiber, has improved the integrated level of optical device, reduce volume, so that packaging technology more simplifies,
Optical device cost is reduced, since optical path uses collimation focusing system, also improves optical coupling efficiency.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1, which is that parallel photo structure is double, receives double hair hermetically sealed optical device overlooking structure figures of cell type；
Fig. 2 is cell type Dew Point without cap schematic diagram；
Fig. 3 is that cell type Dew Point has cap schematic diagram；
Fig. 4 is that reflecting mirror installs top view and cross section view.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model proposes a kind of double hair cell type of the double receipts of parallel photo structure are hermetically sealed
Optical device, including first laser device 1, second laser 2, the first monitor photo-diode 3, the second monitor photo-diode 4,
One photodiode 5, the second photodiode 6, the first trans-impedance amplifier 7, the second trans-impedance amplifier 8, the first collimation lens 9,
Second collimation lens 10, the first condenser lens 11, the second condenser lens 12, common end lens 13, reflecting mirror 14, the first filter plate
15, the second filter plate 16, third filter plate 17, the 4th filter plate 18, isolator 19, fiber stub set component 20, cell type sealing
Shell 21, the first flexible circuit board 22, the second flexible circuit board 23.
Cell type Dew Point 21 has ceramic multilayer circuit 212, and ceramic multilayer circuit 212 has in cell type Dew Point 21
First flexible circuit board 22, the second flexible circuit board 23 are welded on multi-layer ceramics electricity by the microstrip circuit that inside is communicated with the outside
Road 212 be located on the related circuit outside cell type Dew Point 21 realize electrical connection, by first laser device 1, second laser 2,
First monitor photo-diode 3, the second monitor photo-diode 4, the first photodiode 5, the second photodiode 6, first
Trans-impedance amplifier 7, the second trans-impedance amplifier 8 are placed with by conductive silver glue is located at cell type Dew Point in ceramic multilayer circuit 212
Electrical connection is realized on ceramic circuit inside 21, is realized between the first trans-impedance amplifier 7 and the first photodiode 5 by gold thread
Electrical connection is electrically connected between the second trans-impedance amplifier 8 and the second photodiode 6 by gold thread realization；
First filter plate 15, the second filter plate 16, third filter plate 17, the 4th filter plate 18 are placed with by epoxide-resin glue
It is in 45 ° relative to optical transmission direction inside cell type Dew Point 21；
Reflecting mirror 14 is placed on the first photodiode 5,6 top of the second photodiode；
In present embodiment, 1 central wavelength of first wave length signal light λ is 1577nm, cardiac wave in second wave length signal light λ 2
3 central wavelength of a length of 1490nm, third wavelength signals light λ is 1310nm, and 4 central wavelength of the 4th wavelength signals light λ is 1270nm；
Wherein, the first filter plate 15 is high to λ 1, λ 4 anti-, and the second filter plate 16 is high to λ 1 anti-, thoroughly to 2 height of λ, third filter plate
17 couples of λ 1, λ 2 are high thoroughly, high to λ 3, λ 4 anti-, and the 4th filter plate 18 is high to λ 3 thoroughly, high to λ 4 anti-, and reflecting mirror 14 is high to λ 3, λ 4 anti-；
External electric signal relevant to first laser device 1 is defeated by the first flexible circuit board 22 and ceramic multilayer circuit 212
Enter and first laser device 1 is driven to emit first wave length signal light λ 1, directional light is become by the first collimation lens 9, then pass through the
One filter plate 15 reflexes to the second filter plate 16, and the second filter plate 16 reflects first wave length signal light λ 1, with 2 phase of second laser
The external electric signal of pass is inputted by the first flexible circuit board 22 and ceramic multilayer circuit 212 and second laser 2 is driven to emit
Second wave length signal light λ 2 becomes directional light by the second collimation lens 10 and is transmitted to the second filter plate 16, and the second filter plate 16 is thoroughly
Second wave length signal light λ 2, first wave length signal light λ 1 and second wave length signal light λ 2 is penetrated to pass through after the second filter plate closes beam
Isolator 18, then transmitted by third filter plate 17, it is coupled to fiber stub set component finally by the focusing of common end lens 13
20 outputs；Due to using collimation focusing light path system, compared to simple lens system coupling efficiency with higher；
Third wavelength signals light λ 3, the 4th wavelength signals light λ 4 pass through common end after the fiber stub set input of component 20
The collimation of lens 13 becomes directional light, is transmitted to after third filter plate 17 reflects and is transmitted to 18 light splitting afterwards of the 4th filter plate, third wave
Long signal light λ 3 is converged after the transmission of the 4th filter plate 18 by the first condenser lens 11, then is transmitted to reflecting mirror 14 and is reflected
After focus on the first photodiode 5 and convert optical signals into electric signal by the first trans-impedance amplifier 7, ceramic multilayer circuit
212, the second flexible circuit board 23 exports, and the 4th wavelength signals light λ 4 is by 18 transmission and reflection of the 4th filter plate to the first filter plate
Converged light is converted to by the second condenser lens 12 after 15 reflections, focuses on the second photodiode 6 after being reflected by reflecting mirror 14
On, it is defeated by the second trans-impedance amplifier 8, ceramic multilayer circuit 212, the second flexible circuit board 23 to convert optical signals into electric signal
Out.
Preferably, cell type Dew Point 21 includes metal shell 211, ceramic multilayer circuit 212, sealing optical window 213, cap
214；
Ceramic multilayer circuit 212 and metal shell 211 guarantee air-tightness by the way of soldering, and sealing optical window 213 has
Level Hermetic Package, cap 214 and metal shell are guaranteed using golden tin solder eutectic mode between metallized area and metal shell 211
Guarantee level Hermetic Package is connected using electric resistance welding mode between 211.
Preferably, ceramic multilayer circuit 212 has transmits the defeated with the second trans-impedance amplifier of the first trans-impedance amplifier respectively
Two groups of difference microstrip transmission lines of signal out, differential impedance are that range is 100 ± 10 Ω, also have and transmit a signal to first respectively
Two groups of difference microstrip transmission lines of laser 1 and second laser 2, differential impedance range are 50 ± 5 Ω.
Preferably, it is the difference microstrip transmission line of 100 ± 10 Ω that the first flexible circuit board 22, which has two groups of impedance ranges, the
It is the difference microstrip transmission line of 50 ± 5 Ω that two flexible circuit boards 23, which have two groups of impedance ranges,.
Preferably, isolator 19 can make first wave length signal light λ 1 and second wave length signal light λ 2 unidirectionally pass through, and
Will not be by the optical signal that is transmitted with first wave length signal light λ 1 and 2 opposite direction of second wave length signal light λ, main purpose for
Isolation first wave length signal light λ 1 and second wave length signal light λ 2 is reflected back after isolator by other optical contact surfaces
Light.
The device further includes the first mirror support 141 and the second mirror support 142, as shown in figure 4, having thereon oblique
Face is used to support and reflecting mirror 14 is placed along inclined-plane, and reflecting mirror is pasted on inclined-plane by epoxide-resin glue, bevel angle
Range is 45 ° ± 5 °, and reflecting mirror makes 90 ° of light deflection of horizontal direction to be incident on the first photodiode 5, two pole of the second photoelectricity
On pipe 6.
Preferably, other than front end emission signal light, rear end can also emit centainly for first laser device 1, second laser 2
The backlight signal of ratio, the first monitor photo-diode 3, the second monitor photo-diode 4 be individually positioned in first laser device 1,
2 rear end of second laser is respectively used to receive first laser device 1, the backlight signal of 2 rear firing emission of second laser, and by light
Signal is converted to electric signal output, can monitor the changed power of laser in real time in this way.
Claims (10)
1. a kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that: including with multi-layer ceramics electricity
The cell type Dew Point on road is located on the circuit outside cell type Dew Point in ceramic multilayer circuit and is electrically connected with the first flexible electrical
Road plate and the second flexible circuit board, ceramic multilayer circuit be located on the circuit inside cell type Dew Point be electrically connected with first swash
Light device, second laser, the first photodiode, the second photodiode, the first trans-impedance amplifier, the second trans-impedance amplifier,
Wherein pass through respectively between the first trans-impedance amplifier and the first photodiode, the second trans-impedance amplifier and the second photodiode
Gold thread realizes electrical connection；The first filter plate, the second filter plate, third filter plate and the 4th are internally provided in cell type Dew Point
Filter plate is in 45 ° both with respect to optical transmission direction；Reflection is set above the first photodiode and the second photodiode
Mirror, in which: the first filter plate is high to λ 1, λ 4 anti-, and the second filter plate is high to λ 1 anti-, and thoroughly to 2 height of λ, third filter plate is high to λ 1, λ 2
Thoroughly, high to λ 3, λ 4 anti-, the 4th filter plate is high to λ 3 thoroughly, high to λ 4 anti-, and reflecting mirror is high to λ 3, λ 4 anti-；In first laser device and
First collimation lens is set between one filter plate, the second collimation lens is set between second laser and the second filter plate；?
The first condenser lens is set between 4th filter plate and reflecting mirror, second is arranged between the first filter plate and reflecting mirror and focuses thoroughly
Mirror；Common end lens are arranged in the outside of third filter plate inside cell type Dew Point, close to public outside cell type Dew Point
Setting fiber stub at lens is held to cover component altogether.
2. a kind of parallel photo structure according to claim 1 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
The first monitor photo-diode and the second monitor photo-diode is respectively set in first laser device and second laser rear end.
3. a kind of parallel photo structure according to claim 2 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
The first laser device, second laser, the first monitor photo-diode, the second monitor photo-diode, two pole of the first photoelectricity
Pipe, the second photodiode, the first trans-impedance amplifier, the second trans-impedance amplifier pass through conductive silver glue respectively and are placed in multi-layer ceramics
Circuit is located on the ceramic circuit inside cell type Dew Point.
4. a kind of parallel photo structure according to claim 1 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
First filter plate, the second filter plate, third filter plate, the 4th filter plate pass through respectively epoxide-resin glue be placed with it is close in cell type
Inside tube sealing shell.
5. a kind of parallel photo structure according to claim 1 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
Isolator is set between the second filter plate and third filter plate.
6. a kind of parallel photo structure according to claim 1 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
The cell type Dew Point includes metal shell, ceramic multilayer circuit, sealing optical window and cap；The ceramic multilayer circuit and gold
Belong to shell and use brazing mode level Hermetic Package, sealing optical window has between metallized area, with metal shell using golden tin solder
Eutectic mode level Hermetic Package uses electric resistance welding mode level Hermetic Package between cap and metal shell.
7. a kind of parallel photo structure according to claim 1 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
It is the difference microstrip transmission line of 100 ± 10 Ω, second flexible circuit board that first flexible circuit board, which has two groups of impedance ranges,
The difference microstrip transmission line for being 50 ± 5 Ω with two groups of impedance ranges.
8. a kind of parallel photo structure according to claim 7 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
Ceramic multilayer circuit has transmits the micro- with two groups of difference of the second trans-impedance amplifier output signal of the first trans-impedance amplifier respectively
Band transmission line, differential impedance is that range is 100 ± 10 Ω, also has and transmits a signal to first laser device and second laser respectively
Two groups of difference microstrip transmission lines, differential impedance range be 50 ± 5 Ω.
9. a kind of parallel photo structure according to claim 8 is double to receive double hair hermetically sealed optical devices of cell type, it is characterised in that:
The λ 1 is that external electric signal relevant to first laser device is inputted and driven by the first flexible circuit board and ceramic multilayer circuit
The first wave length signal light of dynamic first laser device transmitting；The λ 2 is that external electric signal relevant to second laser passes through first
The second wave length signal light that flexible circuit board and ceramic multilayer circuit input and second laser driven to emit.
10. a kind of parallel photo structure according to claim 1 is double to receive double hair hermetically sealed optical devices of cell type, feature exists
In: the reflecting mirror both ends pass through epoxide-resin glue respectively and are pasted onto the first mirror support and second with 45 ° of inclined-planes instead
It penetrates on mirror support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680195.9U CN208737057U (en) | 2018-10-17 | 2018-10-17 | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680195.9U CN208737057U (en) | 2018-10-17 | 2018-10-17 | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type |
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| Publication Number | Publication Date |
|---|---|
| CN208737057U true CN208737057U (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680195.9U Active CN208737057U (en) | 2018-10-17 | 2018-10-17 | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type |
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| CN (1) | CN208737057U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957649A (en) * | 2018-10-17 | 2018-12-07 | 四川光恒通信技术有限公司 | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type |
| CN114791651A (en) * | 2021-01-25 | 2022-07-26 | 讯芸电子科技(中山)有限公司 | Transistor outline package optical transceiver |
| CN115166911A (en) * | 2021-04-01 | 2022-10-11 | 讯芸电子科技(中山)有限公司 | Transistor outline package optical transceiver |
-
2018
- 2018-10-17 CN CN201821680195.9U patent/CN208737057U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957649A (en) * | 2018-10-17 | 2018-12-07 | 四川光恒通信技术有限公司 | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type |
| CN108957649B (en) * | 2018-10-17 | 2023-08-22 | 四川光恒通信技术有限公司 | Double-receiving double-transmitting box type sealing packaging optical device with parallel light structure |
| CN114791651A (en) * | 2021-01-25 | 2022-07-26 | 讯芸电子科技(中山)有限公司 | Transistor outline package optical transceiver |
| CN114791651B (en) * | 2021-01-25 | 2023-08-04 | 讯芸电子科技(中山)有限公司 | Transistor outline package optical transceiver |
| CN115166911A (en) * | 2021-04-01 | 2022-10-11 | 讯芸电子科技(中山)有限公司 | Transistor outline package optical transceiver |
| US11616577B2 (en) | 2021-04-01 | 2023-03-28 | Shunyun Technology (Zhong Shan) Limited | Optical transceiver in transistor outline package |
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