CN207163579U - One kind lock wave apparatus and system - Google Patents
One kind lock wave apparatus and system Download PDFInfo
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- CN207163579U CN207163579U CN201720893332.6U CN201720893332U CN207163579U CN 207163579 U CN207163579 U CN 207163579U CN 201720893332 U CN201720893332 U CN 201720893332U CN 207163579 U CN207163579 U CN 207163579U
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- 239000013307 optical fiber Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000008054 signal transmission Effects 0.000 claims description 14
- 230000011514 reflex Effects 0.000 abstract 1
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- 230000007547 defect Effects 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
It the utility model is related to lock ripple device field, and in particular to one kind lock wave apparatus.The lock wave apparatus includes wave multiplexer, collimater, optical splitter, etalon, the first detector and the second detector, the input of the lock wave apparatus connects with multi-channel optical fibre, and incide multichannel light in wave multiplexer, the wave multiplexer will incide collimater and optical splitter successively after multichannel actinic light；The optical splitter reflexes to part light in the first detector, carries out optical detection, and part light transmits from optical splitter and passes through etalon and incides in the second detector, carries out optical detection.The utility model further relates to a kind of lock wave system system.The utility model is by designing a kind of lock wave apparatus and system, suitable for the situation of multiple input LASER Light Sources, it is not necessary to a lock ripple device is configured to each laser, makes overall light channel structure simpler, occupies little space, while reduce cost；And optics is set to realize integrated, miniaturization.
Description
Technical Field
The utility model relates to a wave locker field, concretely relates to wave locker device and system.
Background
The optical wave locker is a passive device widely used in optical transmission systems, and is used for monitoring the laser wavelength emitted by the laser to perform wave locking control.
However, in the application of multi-channel light sources, each laser light source needs a wave locker, which not only has a complex structure and occupies a large space, but also greatly increases the cost, and thus cannot keep up with the trend of integration and miniaturization of optical devices in the optical field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a lock ripples device, solve current lock ripples ware and be not suitable for a plurality of laser light source's problem.
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a lock ripples system, solve current lock ripples ware and be not suitable for a plurality of laser light source's problem.
The utility model provides a technical scheme that its technical problem adopted is: the input end of the wave locking device is communicated with a plurality of paths of optical fibers and emits a plurality of paths of light into the wave locking device, and the wave locking device combines the plurality of paths of light and then sequentially emits the combined light into the collimator and the light splitting device; the optical splitter reflects part of light to the first detector for optical detection, and part of light is transmitted out of the optical splitter and enters the second detector through the etalon for optical detection.
Wherein, the preferred scheme is: the wave locking device comprises a shell, wherein an optical fiber array plug is arranged at the input end of the shell and is communicated with multiple paths of optical fibers, and the wave combiner, the collimator, the light splitter, the etalon, the first detector and the second detector are all arranged in a cavity of the shell.
Wherein, the preferred scheme is: the optical fiber array plug, the wave combiner and the collimator are integrally arranged.
Wherein, the preferred scheme is: the combiner is a waveguide combiner.
Wherein, the preferred scheme is: the collimator is a collimating lens.
Wherein, the preferred scheme is: the wave locking device is also provided with an electric signal transmission interface, one end interface of the electric signal transmission interface is arranged on the shell, and the other end of the electric signal transmission interface is connected with the first detector and the second detector in the shell.
Wherein, the preferred scheme is: the wave locking device also comprises a temperature sensor for detecting the internal temperature of the wave locking device; wherein, the electric signal transmission interface is connected with the temperature sensor.
Wherein, the preferred scheme is: the temperature sensor is disposed proximate the etalon.
The utility model provides a technical scheme that its technical problem adopted is: the wave locking system comprises a wave locking device and a control unit, wherein the wave locking device comprises a wave combiner, a collimator, a light splitter, a first detector, an etalon, a second detector and a temperature sensor; wherein,
the input end of the collimator is communicated with the multi-path optical fiber pigtail, and multi-path light is incident into the wave combiner, and the wave combiner combines the multi-path light and then sequentially emits the combined light into the collimator and the light splitter; the optical splitter reflects part of light to the first detector, and part of light is transmitted out of the optical splitter, passes through the etalon and enters the second detector;
the control unit is respectively connected with the first detector, the second detector and the temperature sensor.
The utility model has the advantages that compared with the prior art, the utility model designs a wave locking device and system, which is suitable for the situation of a plurality of input laser light sources, and does not need to configure a wave locking device for each laser, so that the whole light path structure is simpler, the occupied space is small, and the cost is reduced; and, the integration and miniaturization of the optical device are realized.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of the wave locking device of the present invention;
fig. 2 is a schematic structural diagram of the optical fiber array plug of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a preferred embodiment of a wave locking device.
A wave locking device 10, the wave locking device 10 includes the wave combiner 11, the collimator 12, the beam splitter 13, the etalon 18, the first detector 14 and the second detector 15, the input end of the wave locking device 10 communicates with multi-channel optical fiber 20, and enter the multi-channel light into the wave combiner 11, the wave combiner 11 enters the collimator 12 and beam splitter 13 after the multi-channel light is combined; the beam splitter 13 reflects part of the light to the first detector 14 for optical detection, and part of the light is transmitted from the beam splitter 13, passes through the etalon 18, enters the second detector 15, and is again detected.
The first detector 14 obtains a first optical power, the second detector 15 obtains a second optical power passing through the etalon 18, the size of the optical power of the resonant wave is detected, and the value of the first optical power is compared with the value of the second optical power, and the comparison change can be fed back to adjust.
Wherein the etalon 18 is required to generate a wave of a certain period. In optics, a Fabry-perot interferometer (english) is a multiple beam interferometer consisting of two parallel glass plates, of which the opposite inner surfaces have a high reflectivity, is also often referred to as a Fabry-perot resonator, and, when the two glass plates are spaced apart by a hollow spacer of fixed length, is also referred to as a Fabry-perot etalon or simply an etalon. That is, light is repeatedly reflected between the air layers between the two coated surfaces to form an equal-inclination interference ring of multiple beams.
Specifically, the wave locking device 10 is connected with a plurality of external optical fibers 20, each optical fiber 20 is communicated with one laser light source, the wave locking device 10 is simultaneously communicated with the plurality of laser light sources, the lasers of the laser light sources are detected, and the detected information is sent to an external processor.
The combiner 11 is a waveguide combiner 11. The mode of optical waveguide is used for realizing wave combination, the mode of the conventional freespace, optical fiber and waveguide is used for realizing wave combination, and the waveguide is simplest and compact.
Wherein the collimator 12 is a collimating lens.
Further, the wave locking device 10 is further provided with an electrical signal transmission interface, one end of the electrical signal transmission interface is connected to the housing, and the other end of the electrical signal transmission interface is connected to the first detector 14 in the housing.
In the present embodiment, the wave locking device 10 further includes a temperature sensor 16 for detecting a temperature value and a change thereof in the wave locking device 10; wherein the electrical signal transmission interface is connected to the temperature sensor 16. The temperature sensor 16 may be provided on the housing or on the substrate, and is typically desired to be close to the etalon, with the closer, or more conveniently, if not required, the housing.
As shown in fig. 2, the present invention provides a preferred embodiment of a wave-locking device based on a fiber array plug.
The wave locking device 10 comprises a shell, an optical fiber array plug 17 is arranged at the input end of the shell, the optical fiber array plug 17 is communicated with a plurality of paths of optical fibers 20, and the wave combiner 11, the collimator 12, the light splitter 13 and the first detector 14 are all arranged in a cavity of the shell.
In this embodiment, the fiber array plug 17, the combiner 11 and the collimator 12 are integrally provided; the occupied space is small, and the miniaturization and integration design of the wave locking device 10 are facilitated.
As shown in fig. 1 and 2, the present invention further provides a preferred embodiment of a wave locking system.
A wave locking system comprises a wave locking device 10 and a control unit 30, wherein the wave locking device 10 comprises a wave combiner 11, a collimator 12, a beam splitter 13, a first detector 14, an etalon 18, a first detector 14, a second detector 15 and a temperature sensor 16; wherein,
the input end of the collimator 12 is communicated with the multi-path optical fiber 20, and the multi-path light is incident into the wave combiner 11, and the wave combiner 11 combines the multi-path light and then sequentially enters the collimator 12 and the optical splitter 13; the optical splitter 13 reflects part of the light to the first detector 14, and part of the light is transmitted from the optical splitter 13, passes through the etalon 18, enters the second detector 15, and is subjected to optical detection again; one end of the electrical signal transmission interface is arranged on the shell, and the other end of the electrical signal transmission interface is connected with a second detector 15 in the shell.
The control unit 30 is connected to the first detector 14, the second detector 15 and the temperature sensor 16, respectively.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is intended to cover all equivalent changes and modifications made within the scope of the present invention.
Claims (9)
1. A wave locking device is characterized in that: the wave locking device comprises a wave combiner, a collimator, a light splitter, an etalon, a first detector and a second detector, wherein the input end of the wave locking device is communicated with multiple paths of optical fibers and emits multiple paths of light into the wave combiner, and the wave combiner combines the multiple paths of light and then sequentially emits the combined light into the collimator and the light splitter; the optical splitter reflects part of light to the first detector for optical detection, and part of light is transmitted out of the optical splitter and enters the second detector through the etalon for optical detection.
2. The wave locking device according to claim 1, characterized in that: the wave locking device comprises a shell, wherein an optical fiber array plug is arranged at the input end of the shell and is communicated with multiple paths of optical fibers, and the wave combiner, the collimator, the light splitter, the etalon, the first detector and the second detector are all arranged in a cavity of the shell.
3. The wave locking device according to claim 2, characterized in that: the optical fiber array plug, the wave combiner and the collimator are integrally arranged.
4. The wave locking device according to claim 3, characterized in that: the combiner is a waveguide combiner.
5. The wave locking device according to claim 3, characterized in that: the collimator is a collimating lens.
6. The wave locking device according to claim 2, characterized in that: the wave locking device is also provided with an electric signal transmission interface, one end interface of the electric signal transmission interface is arranged on the shell, and the other end of the electric signal transmission interface is connected with the first detector and the second detector in the shell.
7. The wave locking device according to claim 6, characterized in that: the wave locking device also comprises a temperature sensor for detecting the internal temperature of the wave locking device; wherein, the electric signal transmission interface is connected with the temperature sensor.
8. The wave locking device according to claim 7, characterized in that: the temperature sensor is disposed proximate the etalon.
9. A wave locking system, characterized by: the wave locking system comprises a wave locking device and a control unit, wherein the wave locking device comprises a wave combiner, a collimator, a light splitter, a first detector, an etalon, a second detector and a temperature sensor; wherein,
the input end of the collimator is communicated with the multi-path optical fiber pigtail, and multi-path light is incident into the wave combiner, and the wave combiner combines the multi-path light and then sequentially emits the combined light into the collimator and the light splitter; the optical splitter reflects part of light to the first detector, and part of light is transmitted out of the optical splitter, passes through the etalon and enters the second detector;
the control unit is respectively connected with the first detector, the second detector and the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720893332.6U CN207163579U (en) | 2017-07-21 | 2017-07-21 | One kind lock wave apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720893332.6U CN207163579U (en) | 2017-07-21 | 2017-07-21 | One kind lock wave apparatus and system |
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| CN207163579U true CN207163579U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720893332.6U Expired - Fee Related CN207163579U (en) | 2017-07-21 | 2017-07-21 | One kind lock wave apparatus and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818251A (en) * | 2019-01-22 | 2019-05-28 | 昂纳信息技术（深圳）有限公司 | A kind of wavelength locker and system |
| CN110174663A (en) * | 2019-05-31 | 2019-08-27 | 昂纳信息技术（深圳）有限公司 | A kind of light power distribution method and optical power fluctuation device and system of laser radar |
| WO2021169518A1 (en) * | 2020-02-29 | 2021-09-02 | 华为技术有限公司 | Wavelength meter, method for obtaining parameter of wavelength meter, and method for online calibration |
-
2017
- 2017-07-21 CN CN201720893332.6U patent/CN207163579U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818251A (en) * | 2019-01-22 | 2019-05-28 | 昂纳信息技术（深圳）有限公司 | A kind of wavelength locker and system |
| CN110174663A (en) * | 2019-05-31 | 2019-08-27 | 昂纳信息技术（深圳）有限公司 | A kind of light power distribution method and optical power fluctuation device and system of laser radar |
| WO2021169518A1 (en) * | 2020-02-29 | 2021-09-02 | 华为技术有限公司 | Wavelength meter, method for obtaining parameter of wavelength meter, and method for online calibration |
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Address after: 518000 No. 35, Cuijing Road, Pingshan New District, Shenzhen, Guangdong Patentee after: Ona Technology (Shenzhen) Group Co.,Ltd. Address before: 518000 No. 35, Cuijing Road, Pingshan New District, Shenzhen, Guangdong Patentee before: O-NET COMMUNICATIONS (SHENZHEN) Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180330 |