CN207163579U - One kind lock wave apparatus and system - Google Patents
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Abstract
本实用新型涉及锁波器领域，具体涉及一种锁波装置。该锁波装置包括合波器、准直器、分光器、标准具、第一探测器和第二探测器，该锁波装置的输入端与多路光纤连通，并将多路光入射到合波器中，该合波器将多路光合光后依次入射到准直器和分光器；该分光器将部分光反射到第一探测器中，进行光探测，部分光从分光器透射出并经过标准具入射到第二探测器中，进行光探测。本实用新型还涉及一种锁波系统。本实用新型通过设计一种锁波装置及系统，适用于多个输入激光光源的情形，不需要对每个激光器都配置一锁波器，使整体光路结构更简单，占用空间小，同时减少成本；以及，使光学器件实现集成化、小型化。
The utility model relates to the field of wave lockers, in particular to a wave locker. The wave-locking device includes a wave combiner, a collimator, a beam splitter, an etalon, a first detector and a second detector. In the wave filter, the wave combiner combines multiple lights and then enters the collimator and the beam splitter in sequence; the beam splitter reflects part of the light to the first detector for light detection, and part of the light is transmitted from the beam splitter and sent to the first detector. Incident to the second detector through the etalon for light detection. The utility model also relates to a wave locking system. The utility model designs a wave-locking device and system, which is suitable for multiple input laser light sources, and does not need to configure a wave-locker for each laser, so that the overall optical path structure is simpler, the space occupied is small, and the cost is reduced at the same time ; And, the optical devices are integrated and miniaturized.
Description
技术领域technical field
本实用新型涉及锁波器领域，具体涉及一种锁波装置及系统。The utility model relates to the field of wave lockers, in particular to a wave locker and a system.
背景技术Background technique
光学锁波器是广泛应用于光传输系统中的无源器件，其用于监控激光器发射的激光波长，进行锁波控制。The optical wave locker is a passive device widely used in optical transmission systems, which is used to monitor the laser wavelength emitted by the laser and perform wave locking control.
但是，在多信道光源应用场合，每个激光光源都需要一个锁波器，不仅结构复杂，占用空间，其成本也会大大增加，无法跟上光学领域的光学器件集成化、小型化的趋势。However, in the application of multi-channel light sources, each laser light source needs a wave locker, which not only has a complex structure, takes up space, and its cost will also greatly increase, which cannot keep up with the trend of integration and miniaturization of optical devices in the optical field.
实用新型内容Utility model content
本实用新型要解决的技术问题在于，针对现有技术的上述缺陷，提供一种锁波装置，解决现有锁波器不适用于多个激光光源的问题。The technical problem to be solved by the utility model is to provide a wave locking device to solve the problem that the existing wave locking device is not suitable for multiple laser light sources in view of the above defects of the prior art.
本实用新型要解决的技术问题在于，针对现有技术的上述缺陷，提供一种锁波系统，解决现有锁波器不适用于多个激光光源的问题。The technical problem to be solved by the utility model is to provide a wave locking system to solve the problem that the existing wave locking device is not suitable for multiple laser light sources in view of the above-mentioned defects of the prior art.
本实用新型解决其技术问题所采用的技术方案是：提供一种锁波装置，该锁波装置包括合波器、准直器、分光器、标准具、第一探测器和第二探测器，该锁波装置的输入端与多路光纤连通，并将多路光入射到合波器中，该合波器将多路光合光后依次入射到准直器和分光器；该分光器将部分光反射到第一探测器中，进行光探测，部分光从分光器透射出并经过标准具入射到第二探测器中，进行光探测。The technical solution adopted by the utility model to solve the technical problem is: provide a wave locking device, the wave locking device includes a wave combiner, a collimator, a beam splitter, an etalon, a first detector and a second detector, The input end of the wave-locking device communicates with multi-channel optical fibers, and the multi-channel light is incident into the multiplexer, and the multiplexer combines the multiple light beams and then enters the collimator and the optical splitter in sequence; the optical splitter will partly The light is reflected into the first detector for light detection, and part of the light is transmitted from the beam splitter and enters the second detector through the etalon for light detection.
其中，较佳方案是：该锁波装置包括一壳体，该壳体的输入端设置有一光纤列阵插头，该光纤列阵插头与多路光纤连通，该合波器、准直器、分光器、标准具、第一探测器和第二探测器均设置在壳体的腔体中。Among them, the preferred solution is: the wave locking device includes a housing, the input end of the housing is provided with a fiber array plug, the fiber array plug communicates with multiple optical fibers, the multiplexer, collimator, splitter The instrument, the etalon, the first detector and the second detector are all arranged in the cavity of the housing.
其中，较佳方案是：该光纤列阵插头、合波器和准直器一体式设置。Among them, the preferred solution is: the optical fiber array plug, the multiplexer and the collimator are integrated.
其中，较佳方案是：该合波器为波导合波器。Among them, the preferred solution is: the wave combiner is a waveguide combiner.
其中，较佳方案是：该准直器为准直透镜。Among them, the preferred solution is: the collimator is a collimating lens.
其中，较佳方案是：该锁波装置上还设置一电信号传输接口，该电信号传输接口的一端接口设置在壳体上，其电信号传输接口的另一端与壳体内的第一探测器、第二探测器连接。Among them, the preferred solution is: the wave locking device is also provided with an electrical signal transmission interface, one end of the electrical signal transmission interface is arranged on the housing, and the other end of the electrical signal transmission interface is connected to the first detector in the housing. , the second detector connection.
其中，较佳方案是：该锁波装置还包括温度传感器，用于检测锁波装置的内部温度；其中，该电信号传输接口与温度传感器连接。Among them, a preferred solution is: the wave locking device further includes a temperature sensor for detecting the internal temperature of the wave locking device; wherein, the electrical signal transmission interface is connected to the temperature sensor.
其中，较佳方案是：该温度传感器靠近标准具设置。Wherein, the preferred solution is: the temperature sensor is arranged close to the etalon.
本实用新型解决其技术问题所采用的技术方案是：提供一种锁波系统，该锁波系统包括锁波装置以及控制单元，该锁波装置包括合波器、准直器、分光器、第一探测器、标准具、第二探测器和温度传感器；其中，The technical solution adopted by the utility model to solve the technical problem is: provide a wave locking system, the wave locking system includes a wave locking device and a control unit, the wave locking device includes a wave combiner, a collimator, a light splitter, a second A detector, an etalon, a second detector and a temperature sensor; wherein,
该准直器的输入端与多路光纤尾纤连通，并将多路光入射到合波器中，该合波器将多路光合光后依次入射到准直器和分光器；该分光器将部分光反射到第一探测器中，部分光从分光器透射出并经过标准具，入射到第二探测器中；The input end of the collimator is connected with multi-channel fiber pigtails, and the multi-channel light is incident into the multiplexer, and the multiplexer combines the multiple light beams and then enters the collimator and the optical splitter in sequence; the optical splitter reflecting part of the light into the first detector, part of the light is transmitted from the beam splitter and passes through the etalon, and is incident into the second detector;
该控制单元分别与第一探测器、第二探测器和温度传感器连接。The control unit is respectively connected with the first detector, the second detector and the temperature sensor.
本实用新型的有益效果在于，与现有技术相比，本实用新型通过设计一种锁波装置及系统，适用于多个输入激光光源的情形，不需要对每个激光器都配置一锁波器，使整体光路结构更简单，占用空间小，同时减少成本；以及，使光学器件实现集成化、小型化。The beneficial effect of the utility model is that, compared with the prior art, the utility model is suitable for the situation of multiple input laser light sources by designing a wave locking device and system, and does not need to configure a wave locker for each laser , making the overall optical path structure simpler, occupying less space, and reducing costs at the same time; and enabling the integration and miniaturization of optical devices.
附图说明Description of drawings
下面将结合附图及实施例对本实用新型作进一步说明，附图中：The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:
图1是本实用新型锁波装置的结构示意图；Fig. 1 is the structural representation of the utility model wave locking device;
图2是本实用新型光纤列阵插头的结构示意图。Fig. 2 is a schematic structural view of the optical fiber array plug of the present invention.
具体实施方式Detailed ways
现结合附图，对本实用新型的较佳实施例作详细说明。Now with reference to the accompanying drawings, the preferred embodiments of the present utility model are described in detail.
如图1所示，本实用新型提供一种锁波装置的优选实施例。As shown in Figure 1, the utility model provides a preferred embodiment of a wave locking device.
一种锁波装置10，该锁波装置10包括合波器11、准直器12、分光器13、标准具18、第一探测器14和第二探测器15，锁波装置10的输入端与多路光纤20连通，并将多路光入射到合波器11中，该合波器11将多路光合光后依次入射到准直器12和分光器13；该分光器13将部分光反射到第一探测器14中，进行光探测，部分光从分光器13透射出并经过标准具18，入射到第二探测器15中，再次进行光探测。A wave locking device 10, the wave locking device 10 includes a wave combiner 11, a collimator 12, a beam splitter 13, an etalon 18, a first detector 14 and a second detector 15, the input end of the wave locking device 10 It communicates with the multi-path optical fiber 20, and the multi-path light is incident into the multiplexer 11, and the multiplexer 11 is sequentially incident on the collimator 12 and the beam splitter 13 after combining the multiple light beams; The light is reflected into the first detector 14 for light detection, and part of the light is transmitted from the beam splitter 13 and passes through the etalon 18, and is incident into the second detector 15 for light detection again.
其中，第一探测器14获取第一光功率，第二探测器15获取经过标准具18后的第二光功率，探测出谐振波的光功率的大小，第一光功率与第二光功率的值发生比较，比较发生变化就会反馈回去调节。Wherein, the first detector 14 obtains the first optical power, the second detector 15 obtains the second optical power after passing through the etalon 18, detects the size of the optical power of the resonant wave, and the difference between the first optical power and the second optical power Values are compared, and if the comparison changes, it will be fed back for adjustment.
其中，标准具18要求产生一定周期的波。在光学中，法布里－珀罗干涉仪(英文：Fabry–Pérot interferometer)是一种由两块平行的玻璃板组成的多光束干涉仪，其中两块玻璃板相对的内表面都具有高反射率，法布里－珀罗干涉仪也经常称作法布里－珀罗谐振腔，并且当两块玻璃板间用固定长度的空心间隔物来间隔固定时，它也被称作法布里－珀罗标准具或直接简称为标准具。即光在这两个镀膜面之间空气层之间反复反射，形成多光束的等倾干涉圆环。Among them, the etalon 18 is required to generate waves with a certain period. In optics, a Fabry-Pérot interferometer (English: Fabry–Pérot interferometer) is a multi-beam interferometer consisting of two parallel glass plates, where the opposite inner surfaces of the two glass plates are highly reflective. rate, the Fabry-Perot interferometer is also often called a Fabry-Perot resonator, and when two glass plates are spaced and fixed by a hollow spacer of fixed length, it is also called a Fabry -Perot etalon or directly referred to as etalon. That is, the light is repeatedly reflected between the air layers between the two coating surfaces, forming an equi-inclined interference ring of multiple beams.
具体地，锁波装置10与外部的多个光纤20连接，每个光纤20与一激光光源连通，锁波装置10同时与多个激光光源连通，并将各激光光源的激光均进行探测，并将探测到的信息发送至外部处理器中，适用于多个输入激光光源的情形，不需要对每个激光器都配置一锁波器，使整体光路结构更简单，占用空间小，同时减少成本。Specifically, the wave locking device 10 is connected to a plurality of external optical fibers 20, each optical fiber 20 communicates with a laser light source, the wave locking device 10 communicates with multiple laser light sources at the same time, and detects the laser light of each laser light source, and The detected information is sent to an external processor, which is suitable for the situation of multiple input laser light sources. It is not necessary to configure a wave locker for each laser, which makes the overall optical path structure simpler, takes up less space, and reduces costs at the same time.
其中，合波器11为波导合波器11。用光波导的方式实现合波，合波现有freespace、光纤和波导的方式实现合波，波导最简洁紧凑。Wherein, the multiplexer 11 is a waveguide multiplexer 11 . Use the optical waveguide to realize the multiplexing. The existing freespace, optical fiber and waveguide are used to realize the multiplexing. The waveguide is the most concise and compact.
其中，准直器12为准直透镜。Wherein, the collimator 12 is a collimating lens.
进一步地，该锁波装置10上还设置一电信号传输接口，该电信号传输接口的一端接口设置在壳体上，其电信号传输接口的另一端与壳体内的第一探测器14连接。Further, the wave locking device 10 is also provided with an electrical signal transmission interface, one end of the electrical signal transmission interface is set on the housing, and the other end of the electrical signal transmission interface is connected to the first detector 14 inside the housing.
在本实施例中，该锁波装置10还包括温度传感器16，用于检测锁波装置10内的温度值及其变化；其中，该电信号传输接口与温度传感器16连接。温度传感器16可以设置壳体上或基板上，一般情况下希望其靠近标准具，越靠近越好，如果不要求，则放在壳体则比较方便。In this embodiment, the wave locking device 10 further includes a temperature sensor 16 for detecting the temperature value and its change in the wave locking device 10 ; wherein, the electrical signal transmission interface is connected to the temperature sensor 16 . The temperature sensor 16 can be set on the housing or the substrate. Generally, it is expected to be close to the etalon, the closer the better. If not required, it is more convenient to place it on the housing.
如图2所示，本实用新型提供一种基于光纤列阵插头的锁波装置的较佳实施例。As shown in FIG. 2 , the utility model provides a preferred embodiment of a wave locking device based on an optical fiber array plug.
该锁波装置10包括一壳体，该壳体的输入端设置有一光纤列阵插头17，该光纤列阵插头17与多路光纤20连通，该合波器11、准直器12、分光器13和第一探测器14均设置在壳体的腔体中。The wave locking device 10 includes a housing, the input end of the housing is provided with a fiber array plug 17, the fiber array plug 17 communicates with the multi-channel optical fiber 20, the wave combiner 11, collimator 12, optical splitter 13 and the first detector 14 are both arranged in the cavity of the housing.
在本实施例中，该光纤列阵插头17、合波器11和准直器12一体式设置；占用空间小，便于锁波装置10的小型化、集成化设计。In this embodiment, the fiber array plug 17 , the multiplexer 11 and the collimator 12 are integrally provided; the occupied space is small, which facilitates the miniaturization and integrated design of the wave locking device 10 .
如图1和图2所示，在本实用新型还提供一种锁波系统的优选实施例。As shown in Figure 1 and Figure 2, the utility model also provides a preferred embodiment of a wave locking system.
一种锁波系统，该锁波系统包括锁波装置10以及控制单元30，该锁波装置10包括合波器11、准直器12、分光器13、第一探测器14、标准具18、第一探测器14和第二探测器15和温度传感器16；其中，A wave locking system, the wave locking system includes a wave locking device 10 and a control unit 30, the wave locking device 10 includes a wave combiner 11, a collimator 12, a beam splitter 13, a first detector 14, an etalon 18, First detector 14 and second detector 15 and temperature sensor 16; Wherein,
该准直器12的输入端与多路光纤20连通，并将多路光入射到合波器11中，该合波器11将多路光合光后依次入射到准直器12和分光器13；该分光器13将部分光反射到第一探测器14中，部分光从分光器13透射出并经过标准具18，入射到第二探测器15中，再次进行光探测；该电信号传输接口的一端接口设置在壳体上，其电信号传输接口的另一端与壳体内的第二探测器15连接。The input end of the collimator 12 communicates with the multi-path optical fiber 20, and the multi-path light is incident into the multiplexer 11, and the multiplexer 11 sequentially injects the multiple-path light into the collimator 12 and the beam splitter 13 ; The beam splitter 13 reflects part of the light into the first detector 14, and part of the light is transmitted from the beam splitter 13 and through the etalon 18, and is incident in the second detector 15 for optical detection again; the electrical signal transmission interface One end of the interface is arranged on the housing, and the other end of the electrical signal transmission interface is connected to the second detector 15 in the housing.
该控制单元30分别与第一探测器14、第二探测器15和温度传感器16连接。The control unit 30 is connected to the first detector 14 , the second detector 15 and the temperature sensor 16 respectively.
以上所述者，仅为本实用新型最佳实施例而已，并非用于限制本实用新型的范围，凡依本实用新型申请专利范围所作的等效变化或修饰，皆为本实用新型所涵盖。The above are only the best embodiments of the utility model, and are not used to limit the scope of the utility model. All equivalent changes or modifications made according to the patent scope of the utility model are covered by the utility model.
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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 wavelength locking device 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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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 wavelength locking device 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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