CN206673970U - A kind of photodetector array - Google Patents
A kind of photodetector array Download PDFInfo
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- CN206673970U CN206673970U CN201720368161.5U CN201720368161U CN206673970U CN 206673970 U CN206673970 U CN 206673970U CN 201720368161 U CN201720368161 U CN 201720368161U CN 206673970 U CN206673970 U CN 206673970U
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- array
- optical fiber
- photodiode chip
- photodetector
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Abstract
The utility model proposes a kind of photodetector array, it is related to photoelectric sensor field, including Multi-channel optical fiber array, fibre ribbon, microlens array, photodiode chip array, metab and pin, fibre ribbon is connected with Multi-channel optical fiber array, the Multi-channel optical fiber array is connected with the microlens array, the microlens array is arranged with the photodiode chip array spacings, the photodiode chip array is fixed on the metab, and the electrode of the photodiode chip array is connected with the pin.Photodetector array of the present utility model, photodetector array is formed using Multi-channel optical fiber array, microlens array and photodiode chip array, with small volume, it is simple in construction, the characteristics of technology difficulty is low, the photodetector array of the application, optical fiber end use ribbon fiber, multi-core connector (MTP) can be fabricated to, can accomplish plug and play in application scenes.
Description
Technical field
Photoelectric sensor field is the utility model is related to, especially a kind of photodetector array.
Background technology
In fiber optic communication systems, it usually needs power detection is carried out to transmission optical signal, converts optical signals to telecommunications
Number function element be exactly photodetector.Generally, when signal communication quantity is few, several discrete photoelectricity are used
Detector can realizes optical signal detection function very well, but with the development of Planar Lightwave Circuit Technology and integrated optics technique,
The demand of multi channel signals monitoring simultaneously is increasing, certainly will band if still using original discrete photoelectric detector scheme
Carry out the problem of volume is larger, inconvenient for use.Also have in the market and photodetector is made into miniaturization coaxial packaging, Ran Houji
In use same circuit board together, this scheme is substantially also discrete photoelectric detector, still bigger than normal in volume.
Utility model content
The utility model provides a kind of photodetector array, and small volume is simple in construction, and technology difficulty is low.
The utility model specifically adopts the following technical scheme that realization：
A kind of photodetector array, including Multi-channel optical fiber array, fibre ribbon, microlens array, photodiode core
Chip arrays, metab and pin, the fibre ribbon are connected with the Multi-channel optical fiber array, the Multi-channel optical fiber array with
The microlens array connection, the microlens array and photodiode chip array spacings arrangement, the photoelectricity two
Pole pipe chip array is fixed on the metab, and the electrode of the photodiode chip array is connected with the pin.
Preferably, the Multi-channel optical fiber array, microlens array, photodiode chip array and metal bottom are setting
In metal shell.
Preferably, the fibre ribbon is provided with rubber protecting jacket with the metal shell joining place.
Preferably, the metab and the metal shell are from iron cobalt nickel alloy and gold-plated in outer layer progress.
Bonded preferably, the Multi-channel optical fiber array is fixed with the microlens array by glue.
Preferably, the photodiode chip array is fixed on the metab by conductive adhesive.
Preferably, the electrode of the photodiode chip array is connected with the pin by binding gold thread.
A kind of photodetector array provided by the utility model, its advantage are：Using Multi-channel optical fiber array,
Microlens array and photodiode chip array composition photodetector array, have small volume, simple in construction, technology difficulty
The characteristics of low, the photodetector array of the application, optical fiber end use ribbon fiber, can be fabricated to multi-core connector (MTP),
It can accomplish plug and play in application scenes.
Brief description of the drawings
Fig. 1 is the top view of the utility model photodetector array；
Fig. 2 is the structural representation after the encapsulation of the utility model photodetector array；
Fig. 3 is the schematic perspective view of Multi-channel optical fiber array；
Fig. 4 is the schematic perspective view of microlens array 3；
Fig. 5 is the schematic perspective view of photodiode chip array.
In figure：1- Multi-channel optical fiber arrays；2- fibre ribbons；3- microlens arrays；31- lenticules；4- photodiode cores
Chip arrays；5- metabs；6- pins；7- metal shells；8- rubber protecting jackets.
Embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses
A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
It is Multi-channel optical fiber array 1, fibre ribbon 2, micro- as shown in figure 1, a kind of photodetector array that this implementation provides
Lens array 3, photodiode chip array 4, metab 5 and pin 6, fibre ribbon 2 is connected with Multi-channel optical fiber array 1, more
Multi-channel optical fiber array 1 and microlens array 3 are fixed by glue and bonded, by the monitoring of laser beam quality analyzer when bonding,
Ensure that the center of each optical fiber of fiber array and each lenticule 31 of microlens array 3 corresponds.Microlens array 3 and light
The arranged for interval of electric diode chip array 4, photodiode chip array 4 are fixed on metab 5 by conductive adhesive,
The electrode of photodiode chip array 4 is connected with pin 6 by binding gold thread.As shown in Fig. 2 Multi-channel optical fiber array 1, micro-
Lens array 3, photodiode chip array 4 and metab 5 are encapsulated in metal shell 7, fibre ribbon 2 and metal shell 7
Joining place is provided with rubber protecting jacket 8.The metab 5 and 7 preferred iron cobalt nickel alloy of metal shell of the present embodiment simultaneously enter in outer layer
Row is gold-plated.
In the present embodiment, Multi-channel optical fiber array 1 fibre core distance, microlens array 3 lens centre distance and
Chip center's distance of photodiode chip array 4 is all 250 μm, but can according to the actual size of photodiode chip 4,
It is adjusted to different centre distance.Its operation principle is after each flashlight imports Multi-channel optical fiber array 1, to pass through lenticule
31 converging actions, each flashlight is focused on the photosurface of photodiode chip array 4, photodiode chip array 4 produces
Raw corresponding electric signal, so as to realize the purpose of photodetection.31 each parameter index of lenticule of microlens array 3 is all by excellent
Change, it is ensured that the quality of convergent beam, avoid light from scattering on adjacent photodiode chip photosurface and cause optical crosstalk.
The present embodiment is a kind of photodetector array of 8 passage, but can make other port numbers according to same principle and structure
Photodetector array, such as 12 passages, 24 passages etc., are not listed one by one herein.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (7)
1. a kind of photodetector array, it is characterised in that including Multi-channel optical fiber array, fibre ribbon, microlens array, photoelectricity
Diode chip for backlight unit array, metab and pin, the fibre ribbon are connected with the Multi-channel optical fiber array, the multichannel light
Fibre array is connected with the microlens array, and the microlens array is arranged with the photodiode chip array spacings, institute
State photodiode chip array to be fixed on the metab, electrode and the pipe of the photodiode chip array
Pin connects.
A kind of 2. photodetector array according to claim 1, it is characterised in that：It is the Multi-channel optical fiber array, micro-
Lens array, photodiode chip array and metab are encapsulated in metal shell.
A kind of 3. photodetector array according to claim 2, it is characterised in that：Outside the fibre ribbon and the metal
Shell joining place is provided with rubber protecting jacket.
A kind of 4. photodetector array according to claim 2, it is characterised in that：The metab and the metal
Shell carries out gold-plated from iron cobalt nickel alloy and in outer layer.
A kind of 5. photodetector array according to claim 1, it is characterised in that：The Multi-channel optical fiber array and institute
State microlens array and bonding is fixed by glue.
A kind of 6. photodetector array according to claim 1, it is characterised in that：The photodiode chip array
It is fixed on by conductive adhesive on the metab.
A kind of 7. photodetector array according to claim 1, it is characterised in that：The photodiode chip array
Electrode be connected with the pin by binding gold thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368161.5U CN206673970U (en) | 2017-04-10 | 2017-04-10 | A kind of photodetector array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368161.5U CN206673970U (en) | 2017-04-10 | 2017-04-10 | A kind of photodetector array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673970U true CN206673970U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720368161.5U Active CN206673970U (en) | 2017-04-10 | 2017-04-10 | A kind of photodetector array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579886A (en) * | 2018-11-07 | 2019-04-05 | 桂林电子科技大学 | A kind of high integration fibre optic interferometer |
-
2017
- 2017-04-10 CN CN201720368161.5U patent/CN206673970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579886A (en) * | 2018-11-07 | 2019-04-05 | 桂林电子科技大学 | A kind of high integration fibre optic interferometer |
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Address after: 528403 east side of 4th floor, 132 qiwan North Road, East District, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN MEISU TECHNOLOGY Co.,Ltd. Address before: 4, B District, No. 97, building A, No. 528436, North Road, east side of town north, Zhang Jia, Torch Development Zone, Zhongshan, Guangdong Patentee before: ZHONGSHAN MEISU TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |