CN114964737A - System, method and apparatus for testing cladding light strippers - Google Patents
System, method and apparatus for testing cladding light strippers Download PDFInfo
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- CN114964737A CN114964737A CN202210888168.5A CN202210888168A CN114964737A CN 114964737 A CN114964737 A CN 114964737A CN 202210888168 A CN202210888168 A CN 202210888168A CN 114964737 A CN114964737 A CN 114964737A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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Abstract
The embodiment of the invention provides a test system, a test method and a test device of a cladding light stripper, wherein the method comprises the following steps: the laser is connected with the cladding light filtering device through a cladding optical fiber, the cladding light filtering device is connected with the cladding light stripper to be tested through the cladding optical fiber, the processor is connected with the cladding light stripper to be tested, and the cladding optical fiber comprises a fiber core and a cladding; a laser for emitting the test beam to the cladding light filtering device through the cladding optical fiber; a cladding light filtering device for filtering the cladding light beam from the test light beam; and the processor is used for testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested. According to the invention, the problem of lower accuracy of testing the stripping efficiency of cladding light stripping in the related technology is solved, and the effect of improving the accuracy of testing the stripping efficiency of the cladding light stripper is further achieved.
Description
Technical Field
The embodiment of the invention relates to the field of laser, in particular to a system, a method and a device for testing a cladding light stripper.
Background
At present, most of fiber lasers adopt clad fibers as laser transmission media. In the process of transmitting light beams in the cladding optical fiber, laser can partially leak into the cladding, and the optical fiber device is damaged. In order to reduce the damage of the cladding light to the optical fiber device, a cladding light stripper is often used to strip the cladding light in the cladding, thereby protecting the optical fiber device.
After the production of the cladding light stripper is completed, the stripping efficiency of the cladding light stripper needs to be tested. At present, because the output light of the test optical fiber comprises fiber core light and cladding light, the total cladding light cannot be accurately obtained, and only the total light beam energy in the cladding optical fiber before the cladding light stripper is stripped and the light beam energy in the cladding optical fiber after the cladding light stripper is stripped are used for calculation, so that the stripping efficiency of the cladding light stripper is obtained. Therefore, how to improve the test accuracy of the stripping efficiency of the cladding light stripper on the cladding light in the cladding optical fiber is an urgent problem to be solved in the industry.
Aiming at the problem of low accuracy of testing the stripping efficiency of cladding light stripping in the related technology, no effective solution is provided at present.
Disclosure of Invention
The embodiment of the invention provides a test system, a test method and a test device of a cladding light stripper, which are used for at least solving the problem of low accuracy of testing the stripping efficiency of cladding light stripping in the related technology.
According to an embodiment of the present invention, there is provided a test system of a cladding light stripper, including: the device comprises a laser, cladding light filtering equipment and a processor, wherein the laser is connected with the cladding light filtering equipment through a cladding optical fiber, the cladding light filtering equipment is connected with a cladding light stripper to be tested through the cladding optical fiber, the processor is connected with the cladding light stripper to be tested, and the cladding optical fiber comprises a fiber core and a cladding; the laser is used for transmitting a test light beam to the cladding light filtering equipment through the cladding optical fiber; the cladding light filtering device is used for filtering a cladding light beam from the test light beam, wherein the cladding light beam is a part of the test light beam transmitted by the cladding; and the processor is used for testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
Optionally, the clad light filter device includes: the laser device comprises a light beam separation module and a light beam filtering module, wherein the laser device is connected with the light beam separation module through a cladding optical fiber, the light beam separation module is connected with the light beam filtering module through the cladding optical fiber, and the light beam filtering module is connected with the to-be-detected cladding light stripper through the cladding optical fiber; the light beam separation module is used for transmitting the received test light beam to the light beam filtering module; the light beam filtering module is configured to filter the cladding light beam included in the received test light beam and transmit the cladding light beam to the cladding light stripper to be tested, reflect the core light beam included in the received test light beam to obtain a reflected light beam, and transmit the reflected light beam to the light beam separating module, where the core light beam is a portion of the test light beam transmitted by the core; the beam splitting module is further configured to block the reflected beam.
Optionally, the beam splitting module includes a first port, a second port and a third port, where the first port is connected to the laser, and the second port is connected to the beam filtering module; the beam splitting module is further configured to control the transmission of the optical beam input from the first port to the second port, and control the transmission of the optical beam input from the second port to the third port.
Optionally, the beam filtering module includes: and the reflection waveband of the fiber grating is matched with the wavelength of the test light beam.
According to an embodiment of the present invention, there is provided a test method of a cladding light stripper, including: emitting a test beam through a clad optical fiber, wherein the clad optical fiber comprises a core and a cladding; filtering out a cladding beam from the test beam and transmitting the cladding beam through the cladding fiber to a cladding light stripper to be tested, wherein the cladding beam is a portion of the test beam transmitted by the cladding; and testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
Optionally, the filtering out the cladding beam from the test beam and transmitting the cladding beam to a cladding light stripper to be tested through the cladding fiber includes: filtering the cladding light beam included in the test light beam and transmitting the cladding light beam to the to-be-tested cladding light stripper; and reflecting the fiber core light beam included in the test light beam to obtain a reflected light beam, and blocking the reflected light beam.
Optionally, the testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested includes: determining a difference between the power of the cladding beam and the power of the stripping beam; and determining the ratio of the difference value to the power of the cladding light beam as the stripping efficiency of the cladding light stripper to be tested.
There is also provided, in accordance with still another embodiment of the present invention, apparatus for testing a clad light stripper, including: the device comprises an emitting module, a detecting module and a control module, wherein the emitting module is used for emitting a test light beam through a cladding optical fiber, and the cladding optical fiber comprises a fiber core and a cladding; a transmission module, configured to filter a cladding beam from the test beam and transmit the cladding beam to a cladding light stripper to be tested through the cladding optical fiber, where the cladding beam is a portion of the test beam transmitted by the cladding; and the test module is used for testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
According to a further embodiment of the present invention, there is also provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the above method embodiments.
According to the invention, a laser is connected with cladding light filtering equipment through a cladding optical fiber, the cladding light filtering equipment is connected with a to-be-detected cladding light stripper through the cladding optical fiber, a processor is connected with the to-be-detected cladding light stripper, and the cladding optical fiber comprises a fiber core and a cladding; a laser for emitting the test beam to the cladding light filtering device through the cladding optical fiber; a cladding light filtering device for filtering a cladding light beam from the test light beam, wherein the cladding light beam is a portion of the test light beam transmitted by the cladding; the processor is used for testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested, namely, the laser is connected with the cladding light filtering equipment through the cladding optical fiber, the laser generates a test light beam and transmits the test light beam to the cladding light filtering equipment through the cladding optical fiber, cladding light and fiber core light are generated in the transmission process, the cladding light filtering equipment can filter the cladding light from the test light beam, the cladding optical fiber filtered by the cladding light filtering equipment only contains the cladding light beam, and the cladding light stripper to be tested can receive the light beam only containing the cladding light, so that the processor can test the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested, namely, the cladding light in the cladding optical fiber is filtered through the cladding light filtering equipment, and the cladding light power can be tested, therefore, the problem that the accuracy of testing the stripping efficiency of the cladding light stripper in the related technology is low is solved, and the effect of improving the accuracy of testing the stripping efficiency of the cladding light stripper is achieved.
Drawings
FIG. 1 is a block diagram of a mobile terminal hardware configuration for a method of testing a cladding light stripper according to an embodiment of the invention;
FIG. 2 is a diagram of a system for testing a cladding light stripper according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an alternative cladding light stripper test apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an alternative beam splitting module according to the present embodiment;
FIG. 5 is a schematic diagram of an alternative cladding light stripper test apparatus according to an embodiment of the present invention;
FIG. 6 is a flow chart of a method of testing a cladding light stripper according to an embodiment of the present invention;
FIG. 7 is a block diagram of a test apparatus for a cladding light stripper according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The method embodiments provided in the embodiments of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the example of the operation on a mobile terminal, fig. 1 is a block diagram of the hardware structure of the mobile terminal of the test method of the cladding light stripper according to the embodiment of the present invention. As shown in fig. 1, the mobile terminal may include one or more (only one shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA), and a memory 104 for storing data, wherein the mobile terminal may further include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration, and does not limit the structure of the mobile terminal. For example, the mobile terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be used to store a computer program, for example, a software program of an application software and a module, such as a computer program corresponding to the test method of the cladding light stripper in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, so as to implement the method described above. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the mobile terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
In the present embodiment, a test system of a cladding light stripper is provided, and fig. 2 is a diagram of a test system of a cladding light stripper according to an embodiment of the present invention, as shown in fig. 2, which may include, but is not limited to, the following: a laser 22, a cladding light filtering device 24 and a processor 26,
the laser 22 is connected with the cladding light filtering device 24 through a cladding optical fiber, the cladding light filtering device 24 is connected with a cladding light stripper to be tested through the cladding optical fiber, the processor 26 is connected with the cladding light stripper to be tested, and the cladding optical fiber comprises a fiber core and a cladding;
the laser 22 for emitting a test beam through the clad fiber to the clad light filtering device 24;
said cladding light filtering device 24 for filtering out a cladding light beam from said test light beam, wherein said cladding light beam is the portion of said test light beam transmitted by said cladding;
the processor 26 is configured to test the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
Through the steps, the laser and the cladding light filtering device are connected through the cladding optical fiber, the laser generates a test light beam and transmits the test light beam to the cladding light filtering device through the cladding optical fiber, cladding light and fiber core light are generated in the transmission process, the cladding light filtering device can filter the cladding light from the test light beam, the cladding optical fiber filtered by the cladding light filtering device only contains the cladding light beam, and then the cladding light stripper to be tested can receive the light beam only containing the cladding light, so that the processor can test the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested, namely the cladding light in the cladding optical fiber is filtered through the cladding light filtering device, the cladding light power can be tested, the accurate test of the stripping efficiency of the cladding light stripper to be tested is further realized, and therefore, the problem that the accuracy of testing the stripping efficiency of the cladding light in the related technology is low is solved, the effect of improving the accuracy of testing the stripping efficiency of the cladding light stripper is achieved.
Optionally, in the embodiment of the present invention, the light beam generated by the laser is directly input into the clad fiber, and the laser may include, but is not limited to, a fiber laser, a semiconductor laser, a solid laser, a gas laser, a liquid laser, and a laser modified by using the above laser as a prototype, which is not limited in this embodiment.
Optionally, in the embodiment of the present invention, the clad fiber may be, but is not limited to, a single clad fiber and a multi-clad fiber, for example, the clad fiber may be a single clad fiber, and the clad fiber may also be a double clad fiber, which is not limited in this embodiment.
Alternatively, in the embodiment of the present invention, the cladding light filtering device may be a device composed of an optical element, may also be a device including a light beam filtering program that can identify and filter the light beam in the cladding optical fiber, or may also be a device including an optical element and an electronic light beam filtering program, which is not limited in this embodiment.
Optionally, in the embodiment of the present invention, the processor may include, but is not limited to, a calculation program for calculating, and a program for acquiring a measurement result of the beam power measurement device or a program for controlling the beam power measurement device to measure the beam power, and this scheme is not limited in this respect.
Optionally, in this embodiment, the cladding light filtering device may be capable of filtering out cladding light in the cladding optical fiber, and for core light in the cladding optical fiber, the cladding light filtering device may be, but is not limited to, be capable of absorbing core light in the cladding optical fiber or separating the core light in the cladding optical fiber to transmit to other devices, which is not limited in this embodiment.
As an alternative embodiment, the cladding light filtering device comprises: a beam splitting module and a beam filtering module, wherein,
the laser is connected with the beam separation module through a cladding optical fiber, the beam separation module is connected with the beam filtering module through the cladding optical fiber, and the beam filtering module is connected with the to-be-detected cladding light stripper through the cladding optical fiber;
the light beam separation module is used for transmitting the received test light beam to the light beam filtering module;
the light beam filtering module is configured to filter the cladding light beam included in the received test light beam and transmit the cladding light beam to the cladding light stripper to be tested, reflect the core light beam included in the received test light beam to obtain a reflected light beam, and transmit the reflected light beam to the light beam separating module, where the core light beam is a portion of the test light beam transmitted by the core;
the beam splitting module is further configured to block the reflected beam.
Figure 3 is a schematic diagram of an alternative cladding light stripper test apparatus according to an embodiment of the present invention, may include, but is not limited to, a beam splitting module 32 and a beam filtering module 34, the beam splitting module 32 can split two beams of light with different transmission directions in the clad fiber, the beam filtering module 34 can filter the beams of light in the clad fiber, thereby filtering out cladding light, the light beam transmitted in the cladding fiber including the cladding light transmitted in the cladding and the core light transmitted in the core, the light beam filtering module 34 filtering out the cladding light, and reflects the core light back to the beam splitting module 32 in the cladding fiber, and the beam splitting module 32 splits the core light reflected back by the beam filtering module 34, for example, the returned core light may be transmitted to another location for output, or the core light may be absorbed, so as to avoid transmitting the reflected core light to the laser.
Optionally, in this embodiment, the beam splitting module may block the reflected beam by absorbing the reflected beam, or may transmit the radiation beam to another port for output, which is not limited in this embodiment.
As an alternative embodiment, the beam splitting module comprises a first port, a second port and a third port, wherein,
the first port is connected with the laser, and the second port is connected with the light beam filtering module;
the beam splitting module is further configured to control transmission of the light beam input from the first port to the second port, and control transmission of the light beam input from the second port to the third port.
Fig. 4 is a schematic diagram of an alternative beam splitting module according to the embodiment, where the beam splitting module includes a plurality of ports, such as but not limited to three ports, four ports, five ports, and the like, and this embodiment is not limited thereto, and as shown in fig. 4, the splitting module in this embodiment may optionally include three Port splitting modules, which are respectively a first Port1, a second Port2, and a third Port3, where each segment is non-reciprocal, such as a beam input from the first Port1 can only be output from the second Port2, and an input beam from the second Port2 can only be output from the third Port3, so as to achieve splitting beams with different transmission directions.
Optionally, in this embodiment, the second port is connected to the beam filtering module through a clad fiber.
Optionally, in this embodiment, the beam splitting module may be a splitting module with an object program, and the object program can recognize transmission directions of received light beams and control light beams with different transmission directions to be output from different ports, or the beam tube splitting module may also be an optical circulator with a plurality of ports, and the optical circulator may include, but is not limited to, a polarization-maintaining optical circulator and a non-polarization-maintaining optical circulator, which is not limited by this scheme.
As an alternative embodiment, the beam filtering module comprises: and the reflection waveband of the fiber grating is matched with the wavelength of the test light beam.
Optionally, in this embodiment, the fiber grating allows light beams with wavelengths not in the reflection band to pass through and reflects light beams with wavelengths in the reflection band, and the fiber grating may include, but is not limited to, a uniform fiber grating, a chirped fiber grating, an inclined fiber grating, and the like, which is not limited in this embodiment.
FIG. 5 is a schematic diagram of an alternative cladding light stripper test apparatus according to an embodiment of the invention, as shown in FIG. 5, which may include, but is not limited to, the following: a laser 501, a ring light device 502, a fiber grating 503 and a cladding light stripper 504 to be tested. The double-clad fiber is used as a transmission medium of laser, and after the laser 501 outputs an optical signal, a light beam is transmitted through the double-clad fiber, so that the light beam is transmitted to the optical circulator 502, and fiber core light in the double-clad fiber can be leaked into a cladding in the transmission process. The optical circulator 502 is a non-reciprocal optical device with multiple ports, which can be but not limited to a non-polarization-maintaining optical circulator and a polarization-maintaining optical circulator, and the optical circulator employed in the present embodiment has three ports, respectively Port1, Port2, and Port3, and after the light beam is input at Port1, the light beam can only be output at Port2, and after the light beam is input at Port2, the light beam can only be output at Port 3. The light beam generated by the laser 501 is input from a Port1 of the optical circulator 502, is output from a Port2, and is transmitted to the fiber grating 503 through the double-clad fiber, the reflection waveband of the fiber grating 503 is the same as the wavelength of the light beam generated by the laser, the fiber grating 503 can be, but is not limited to, a uniform fiber grating, a chirped fiber grating, an inclined fiber grating, etc., and can reflect the core light beam in the double-clad fiber and filter out the cladding light beam, and the filtered cladding light is the total cladding light generated in the transmission process, so that the total cladding light power can be obtained. The filtered cladding light beams are transmitted to the cladding light stripper 504 to be tested along the double-cladding optical fiber, the fiber core light reflected by the fiber grating is transmitted to the Port2 Port of the optical circulator 502 through the double-cladding optical fiber, the fiber core light input from the Port is output from the Port3 Port, and then the separation of the light beams in two directions in the same double-cladding optical fiber is realized. The residual power after stripping can be obtained after the cladding light transmitted to the cladding light stripper 504 to be tested is stripped, and then the stripping power of the cladding light stripper 504 to be tested can be calculated according to the total cladding light power and the residual power after stripping, so that the ratio of the stripping power to the total cladding light power is determined as the stripping efficiency of the cladding light stripper 504 to be tested.
In the present embodiment, a method for testing a cladding light stripper is provided, and fig. 6 is a flowchart of a method for testing a cladding light stripper according to an embodiment of the present invention, as shown in fig. 6, the flowchart includes the following steps:
step S602, emitting a test beam through a cladding fiber, wherein the cladding fiber comprises a fiber core and a cladding;
step S604, filtering out a cladding beam from the test beam and transmitting the cladding beam to a cladding light stripper to be tested through the cladding optical fiber, wherein the cladding beam is a part of the test beam transmitted by the cladding;
step S606, the stripping efficiency of the cladding light stripper to be tested is tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
Through the steps, the laser and the cladding light filtering device are connected through the cladding optical fiber, the laser generates a test light beam and transmits the test light beam to the cladding light filtering device through the cladding optical fiber, cladding light and fiber core light are generated in the transmission process, the cladding light filtering device can filter the cladding light from the test light beam, the cladding optical fiber filtered by the cladding light filtering device only contains the cladding light beam, and then the cladding light stripper to be tested can receive the light beam only containing the cladding light, so that the processor can test the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested, namely the cladding light in the cladding optical fiber is filtered through the cladding light filtering device, the cladding light power can be tested, the accurate test of the stripping efficiency of the cladding light stripper to be tested is further realized, and therefore, the problem that the accuracy of testing the stripping efficiency of the cladding light in the related technology is low is solved, the effect of improving the accuracy of testing the stripping efficiency of the cladding light stripper is achieved.
In the technical solution provided in step S602, the test beam is a beam generated by a laser generator, and the laser may include, but is not limited to, a fiber laser, a semiconductor laser, a solid laser, a gas laser, a liquid laser, and a laser modified by using the above laser as a prototype, which is not limited in this embodiment.
Optionally, in this embodiment, the clad fiber may be, but is not limited to, a single-clad fiber and a multi-clad fiber, for example, the clad fiber may be a single-clad fiber, and the clad fiber may also be a double-clad fiber, which is not limited in this embodiment.
In the technical solution provided in step S604, the filtering of the cladding light beam may be performed by using a device including a light beam filtering program, where the optical filtering program is capable of identifying the light beam in the cladding optical fiber and filtering out the identified cladding light, or may be a device composed of an optical element, and this scheme is not limited in this respect.
As an alternative embodiment, the filtering the cladding beam from the test beam and transmitting the cladding beam through the cladding fiber to the cladding light stripper to be tested includes:
filtering the cladding light beam included in the test light beam and transmitting the cladding light beam to the to-be-tested cladding light stripper;
and reflecting the fiber core light beam included in the test light beam to obtain a reflected light beam and blocking the reflected light beam.
Optionally, in this embodiment, the test beam includes a core beam propagating in the core and a cladding beam propagating in the cladding.
Optionally, in this embodiment, the method for filtering the cladding light beam may be to filter the cladding light beam through an optical element, or filter the test light beam by using a filtering program capable of filtering the light beam, for example, filter the light beam by using an optical element such as a fiber grating with a matched filtering band, or filter the test light beam by using a filtering program capable of filtering the light beam so as to filter the cladding light beam.
As an alternative embodiment, the testing the stripping efficiency of the to-be-tested cladding light stripper according to the cladding light beam and the stripping light beam output by the to-be-tested cladding light stripper includes:
determining a difference between the power of the cladding beam and the power of the stripped beam;
and determining the ratio of the difference value to the power of the cladding light beam as the stripping efficiency of the cladding light stripper to be tested.
Optionally, in this embodiment, the power of the cladding beam may be a measurement value of the filtered cladding beam measured by the obtained measurement device, or may be directly measured by the filtered cladding beam, which is not limited in this embodiment.
Optionally, in this embodiment, the power of the stripped light beam may be a measured value of the light beam output by the to-be-measured cladding light stripper by the obtained measuring device, or may be obtained by directly measuring the filtered cladding light beam, which is not limited in this embodiment.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
In this embodiment, there is further provided a test apparatus for a cladding light stripper, and fig. 7 is a block diagram of a test apparatus for a cladding light stripper according to an embodiment of the present invention, as shown in fig. 7, the apparatus includes:
an emitting module 72 for emitting a test beam through a clad fiber, wherein the clad fiber comprises a core and a cladding;
a transmission module 74 for filtering out a cladding beam from the test beam and transmitting the cladding beam to a cladding light stripper to be tested through the cladding fiber, wherein the cladding beam is a portion of the test beam transmitted by the cladding;
and the testing module 76 is configured to test the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
Optionally, the transmission module includes: the processing unit is used for filtering the cladding light beam included in the test light beam and transmitting the cladding light beam to the to-be-tested cladding light stripper; and the reflecting unit is used for reflecting the fiber core light beam included in the test light beam to obtain a reflected light beam and blocking the reflected light beam.
Optionally, the test module comprises: a first determining unit for determining a difference between the power of the cladding beam and the power of the stripped beam; and the second determining unit is used for determining the ratio of the difference value to the power of the cladding light beam as the stripping efficiency of the to-be-tested cladding light stripper.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
An embodiment of the present invention further provides a computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to perform the steps in any of the above method embodiments when executed.
In an exemplary embodiment, the computer-readable storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
In an exemplary embodiment, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and exemplary embodiments, and details of this embodiment are not repeated herein.
It will be apparent to those skilled in the art that the various modules or steps of the invention described above may be implemented using a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and they may be implemented using program code executable by the computing devices, such that they may be stored in a memory device and executed by the computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into various integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A test system for a cladding light stripper comprising: a laser, a cladding light filtering device and a processor,
the laser is connected with the cladding light filtering equipment through a cladding optical fiber, the cladding light filtering equipment is connected with a cladding light stripper to be tested through the cladding optical fiber, the processor is connected with the cladding light stripper to be tested, and the cladding optical fiber comprises a fiber core and a cladding;
the laser is used for transmitting a test light beam to the cladding light filtering equipment through the cladding optical fiber;
the cladding light filtering device is used for filtering a cladding light beam from the test light beam, wherein the cladding light beam is a part of the test light beam transmitted by the cladding;
and the processor is used for testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
2. The system of claim 1, wherein the clad light filtering device comprises: a beam splitting module and a beam filtering module, wherein,
the laser is connected with the beam separation module through a cladding optical fiber, the beam separation module is connected with the beam filtering module through the cladding optical fiber, and the beam filtering module is connected with the to-be-detected cladding light stripper through the cladding optical fiber;
the light beam separation module is used for transmitting the received test light beam to the light beam filtering module;
the light beam filtering module is configured to filter the cladding light beam included in the received test light beam and transmit the cladding light beam to the cladding light stripper to be tested, reflect the core light beam included in the received test light beam to obtain a reflected light beam, and transmit the reflected light beam to the light beam separating module, where the core light beam is a portion of the test light beam transmitted by the core;
the beam splitting module is further configured to block the reflected beam.
3. The system of claim 2, wherein the beam splitting module comprises a first port, a second port, and a third port, wherein,
the first port is connected with the laser, and the second port is connected with the light beam filtering module;
the beam splitting module is further configured to control transmission of the light beam input from the first port to the second port, and control transmission of the light beam input from the second port to the third port.
4. The system of claim 2, wherein the beam filtering module comprises: and the reflection waveband of the fiber grating is matched with the wavelength of the test light beam.
5. A method of testing a cladding light stripper comprising:
emitting a test beam through a clad optical fiber, wherein the clad optical fiber comprises a core and a cladding;
filtering out a cladding beam from the test beam and transmitting the cladding beam through the cladding fiber to a cladding light stripper to be tested, wherein the cladding beam is a portion of the test beam transmitted by the cladding;
and testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
6. The method of claim 5, wherein filtering the cladding beam from the test beam and transmitting the cladding beam through the cladding fiber to a cladding light stripper under test comprises:
filtering the cladding light beam included in the test light beam and transmitting the cladding light beam to the to-be-tested cladding light stripper;
and reflecting the fiber core light beam included in the test light beam to obtain a reflected light beam, and blocking the reflected light beam.
7. The method of claim 5, wherein the testing the stripping efficiency of the to-be-tested cladding light stripper based on the cladding light beam and the stripping light beam output by the to-be-tested cladding light stripper comprises:
determining a difference between the power of the cladding beam and the power of the stripped beam;
and determining the ratio of the difference value to the power of the cladding light beam as the stripping efficiency of the cladding light stripper to be tested.
8. A test apparatus for a cladding light stripper, comprising:
the device comprises an emitting module, a detecting module and a control module, wherein the emitting module is used for emitting a test light beam through a cladding optical fiber, and the cladding optical fiber comprises a fiber core and a cladding;
a transmission module, configured to filter a cladding beam from the test beam and transmit the cladding beam to a cladding light stripper to be tested through the cladding optical fiber, where the cladding beam is a portion of the test beam transmitted by the cladding;
and the test module is used for testing the stripping efficiency of the cladding light stripper to be tested according to the cladding light beam and the stripping light beam output by the cladding light stripper to be tested.
9. A computer-readable storage medium, in which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the method according to any one of claims 5 to 7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 5 to 7 are implemented when the computer program is executed by the processor.
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