CN113872034A - Light beam generation device, method and apparatus, storage medium, and electronic apparatus - Google Patents
Light beam generation device, method and apparatus, storage medium, and electronic apparatus Download PDFInfo
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- CN113872034A CN113872034A CN202111456587.3A CN202111456587A CN113872034A CN 113872034 A CN113872034 A CN 113872034A CN 202111456587 A CN202111456587 A CN 202111456587A CN 113872034 A CN113872034 A CN 113872034A
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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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
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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
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
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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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
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Abstract
The embodiment of the invention provides a light beam generating device, a light beam generating method, a light beam generating device, a storage medium and an electronic device, wherein the light beam generating device comprises: the device comprises a light source module, a light beam synthesis module, a light beam excitation module and a light beam output module, wherein the light source module is connected with the light beam synthesis module, the light beam synthesis module is connected with the light beam excitation module, and the light beam excitation module is connected with the light beam output module; the light source module is used for generating a plurality of single-core light beams; the light beam synthesizing module is used for synthesizing a plurality of single-core light beams into an initial light beam with a target shape; the light beam excitation module is used for generating a target light beam with a target shape through the excitation of an initial light beam with the target shape; the invention solves the problem of higher complexity of a system for generating the target-shaped light beam, and achieves the effect of reducing the complexity of the system for generating the target-shaped light beam.
Description
Technical Field
The embodiment of the invention relates to the field of optics, in particular to a light beam generation device, a light beam generation method, a light beam generation device, a storage medium and an electronic device.
Background
With the wider and wider application range of light, the shape of light required by users is different in different scenes, the shape of light output by an optical device cannot meet the requirements of the users under general conditions, and the output light needs to be shaped so as to be suitable for various application scenes, improve the utilization rate of the light, reduce the loss of raw materials and increase the yield. The method for shaping light output by an optical device in the market at present is to add a light beam shaping system at a light beam output port to realize that the shape of an output light beam meets the requirement, but the addition of the light beam shaping system can increase the complexity of the design of an optical part, increase the preparation working hours and the preparation difficulty of the optical part, increase the processing risk, additionally use more electric power to drive the system to work, increase the energy consumption, and have higher complexity of a system which needs the light beam shaping system to generate a light beam with a target shape.
In view of the problem of the high complexity of the systems for generating a target-shaped light beam in the related art, no effective solution has been proposed.
Disclosure of Invention
Embodiments of the present invention provide a light beam generation apparatus, a light beam generation method, a light beam generation apparatus, a storage medium, and an electronic device, so as to at least solve the problem of a high complexity of a system for generating a target-shaped light beam in the related art.
According to an embodiment of the present invention, there is provided an optical beam generation apparatus including: the device comprises a light source module, a light beam synthesis module, a light beam excitation module and a light beam output module, wherein the light source module is connected with the light beam synthesis module, the light beam synthesis module is connected with the light beam excitation module, and the light beam excitation module is connected with the light beam output module; the light source module is used for generating a plurality of single-core light beams; the light beam synthesis module is used for synthesizing the plurality of single-core light beams into an initial light beam with a target shape; the beam excitation module is used for generating a target beam of the target shape through the excitation of the initial beam of the target shape; and the light beam output module is used for outputting the target light beam with the target shape.
In one exemplary embodiment, the light source module includes: the optical fiber beam combiner comprises a plurality of single-core optical fibers and a plurality of pumping sources, wherein the plurality of pumping sources correspond to the plurality of single-core optical fibers one to one, each pumping source in the plurality of pumping sources is connected with the corresponding single-core optical fiber, and the plurality of single-core optical fibers are connected with the beam combining module; each of the plurality of pump sources is configured to generate a single-core light beam in a corresponding single-core optical fiber, so as to obtain one single-core light beam of the plurality of single-core light beams; the plurality of single-core optical fibers are used for transmitting the plurality of single-core light beams to the light beam combining module.
In an exemplary embodiment, the apparatus for generating the light beam further includes: a controller, wherein the controller is connected to the plurality of pump sources; the controller is used for adjusting the target shape and/or the beam parameters of the target beam by respectively controlling the equipment parameters of the plurality of pumping sources.
In one exemplary embodiment, the beam combining module includes: the multi-core optical fiber coupler comprises a multi-core optical fiber coupler, wherein the input end of the multi-core optical fiber coupler comprises a plurality of input interfaces of single-core optical fibers, and the output end of the multi-core optical fiber coupler comprises an output interface of a multi-core optical fiber; the input interfaces of the single-core optical fibers are connected with the single-core optical fibers in a one-to-one correspondence manner; the output interface of the multi-core optical fiber is connected with the light beam excitation module; the multi-core optical fiber coupler is used for coupling the plurality of single-core light beams transmitted by the plurality of single-core optical fibers into the initial light beam with the target shape and transmitting the initial light beam with the target shape to the light beam excitation module through the output interface of the multi-core optical fiber.
In one exemplary embodiment, the beam excitation module includes: the multi-core fiber grating comprises a first multi-core fiber grating, a multi-core active fiber and a second multi-core fiber grating, wherein the first multi-core fiber grating is connected with the beam combining module, the multi-core active fiber is connected with the first multi-core fiber grating, and the second multi-core fiber grating is connected between the multi-core active fiber and the beam output module; the beam excitation module is configured to excite the multi-core active optical fiber by using the initial beam of the target shape to obtain a target beam of the target shape.
According to another embodiment of the present invention, there is provided a method of generating a light beam, including: generating a plurality of single-core light beams; synthesizing the plurality of single-core light beams into an initial light beam of a target shape; generating a target beam of the target shape by excitation of an initial beam of the target shape; and outputting the target beam with the target shape.
In one exemplary embodiment, the generating a plurality of single core light beams comprises: acquiring the target shape and beam parameters of the target beam; and generating the plurality of single-core light beams according to the target shape and the light beam parameters of the target light beam.
According to another embodiment of the present invention, there is provided an optical beam generating apparatus including: the first generation module is used for generating a plurality of single-core light beams; a synthesizing module for synthesizing the plurality of single-core light beams into an initial light beam of a target shape; a second generation module for generating a target beam of the target shape by excitation of the initial beam of the target shape; and the output module is used for outputting the target light beam with the target shape.
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.
With the present invention, a light beam generating apparatus includes: the device comprises a light source module, a light beam synthesis module, a light beam excitation module and a light beam output module, wherein the light source module is connected with the light beam synthesis module, the light beam synthesis module is connected with the light beam excitation module, and the light beam excitation module is connected with the light beam output module; the light source module is used for generating a plurality of single-core light beams; the light beam synthesizing module is used for synthesizing a plurality of single-core light beams into an initial light beam with a target shape; the light beam excitation module is used for generating a target light beam with a target shape through the excitation of an initial light beam with the target shape; the light beam output module is used for outputting target light beams with target shapes, a plurality of single-core light beams generated by the light source module are synthesized into initial light beams with the target shapes through the light beam synthesis module, the initial light beams with the target shapes excite the light beam excitation module to generate the target light beams with the target shapes, and finally the light beam output module outputs the generated target light beams with the target shapes, and the target light beams with the target shapes are generated through excitation of the initial light beams with the target shapes, so that the target light beams with the target shapes are obtained, because the light beam generation equipment directly outputs the target light beams with the target shapes, the target light beams with the target shapes can be obtained without shaping the generated light beams through the light beam shaping system, the light beam shaping system is reduced, the number of optical devices of the system for generating the target light beams is reduced, and therefore, the problem that the complexity of the system for generating the target light beams with the target shapes is higher is solved, the effect of reducing the complexity of the system generating the target shaped beam is achieved.
Drawings
FIG. 1 is a schematic diagram of a light beam generating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a multi-core fiber cross-section of an apparatus for generating an optical beam according to an embodiment of the present invention;
FIG. 3 is a laser schematic of an apparatus for generating a beam of light according to an embodiment of the invention;
fig. 4 is a block diagram of a hardware structure of a mobile terminal of a method of generating a light beam according to an embodiment of the present invention;
FIG. 5 is a flow chart of a method of generating a light beam according to an embodiment of the invention;
fig. 6 is a block diagram of a structure of a light beam generating apparatus 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.
In the present embodiment, there is provided a light beam generating apparatus, and fig. 1 is a schematic diagram of a light beam generating apparatus according to an embodiment of the present invention, as shown in fig. 2, the apparatus including: the device comprises a light source module 12, a light beam combining module 14, a light beam excitation module 16 and a light beam output module 18, wherein the light source module 12 is connected with the light beam combining module 14, the light beam combining module 14 is connected with the light beam excitation module 16, and the light beam excitation module 16 is connected with the light beam output module 18; the light source module 12 is configured to generate a plurality of single-core light beams; the light beam combining module 14 is used for combining the plurality of single-core light beams into an initial light beam with a target shape; the beam excitation module 16 is configured to generate a target beam of the target shape through an initial beam excitation of the target shape; the beam output module 18 is configured to output the target beam with the target shape.
Alternatively, in the present embodiment, the target beam may be, but is not limited to, a beam generated by a beam generating device, such as a laser or the like.
By the device, a plurality of single-core light beams generated by the light source module are combined into an initial light beam with a target shape through the light beam combining module, the initial light beam with the target shape excites the light beam excitation module to generate a target light beam with the target shape, and finally the light beam output module outputs the generated target light beam with the target shape, generating a target beam of a target shape by excitation of an initial beam of the target shape, thereby obtaining a target beam of the target shape, because the beam generating device directly outputs the target beam with the target shape, the target beam with the target shape can be obtained without shaping the generated beam through the beam shaping system, the number of optical devices of the beam shaping system and the system for generating the target beam is reduced, therefore, the problem that the complexity of a system for generating the target-shaped light beam is high is solved, and the effect of reducing the complexity of the system for generating the target-shaped light beam is achieved.
In an alternative embodiment, the light source module may include, but is not limited to: the optical fiber beam combiner comprises a plurality of single-core optical fibers and a plurality of pumping sources, wherein the plurality of pumping sources correspond to the plurality of single-core optical fibers one to one, each pumping source in the plurality of pumping sources is connected with the corresponding single-core optical fiber, and the plurality of single-core optical fibers are connected with the beam combining module; each of the plurality of pump sources is configured to generate a single-core light beam in a corresponding single-core optical fiber, so as to obtain one single-core light beam of the plurality of single-core light beams; the plurality of single-core optical fibers are used for transmitting the plurality of single-core light beams to the light beam combining module.
Optionally, in this embodiment, one pump source in the light source module is correspondingly connected to one single-core optical fiber, a single-core light beam generated by the pump source is transmitted into the light beam combining module through the single-core optical fiber, and the pump sources and the single-core optical fibers are in the same number and are connected in a one-to-one correspondence manner, so that the single-core light beam generated by each pump source can be transmitted into the light beam combining module through the single-core optical fiber.
In an alternative embodiment, the generating device of the light beam may include, but is not limited to, further comprising: a controller, wherein the controller is connected to the plurality of pump sources; the controller is used for adjusting the target shape and/or the beam parameters of the target beam by respectively controlling the equipment parameters of the plurality of pumping sources.
Alternatively, in this embodiment, the control unit is connected to the pump sources so as to control the parameters of current, power, etc. of the pump sources, the controller can control the parameters of the apparatus of each pump source individually, and the target shape can be, but is not limited to, a regular ring shape, an irregular ring shape, a regular shape, or other irregular shapes, etc. The beam parameters of the target beam may include, but are not limited to: beam intensity, energy, peak power, pulse width, etc., and the controller may adjust, but is not limited to, the target shape, beam parameters of the target beam, or beam parameters of the target shape and target beam, etc., by adjusting device parameters of each pump source.
In an alternative embodiment, the beam combining module may include, but is not limited to: the multi-core optical fiber coupler comprises a multi-core optical fiber coupler, wherein the input end of the multi-core optical fiber coupler comprises a plurality of input interfaces of single-core optical fibers, and the output end of the multi-core optical fiber coupler comprises an output interface of a multi-core optical fiber; the input interfaces of the single-core optical fibers are connected with the single-core optical fibers in a one-to-one correspondence manner; the output interface of the multi-core optical fiber is connected with the light beam excitation module; the multi-core optical fiber coupler is used for coupling the plurality of single-core light beams transmitted by the plurality of single-core optical fibers into the initial light beam with the target shape and transmitting the initial light beam with the target shape to the light beam excitation module through the output interface of the multi-core optical fiber.
Optionally, in this embodiment, the input end of the multi-core fiber coupler may include, but is not limited to, a plurality of input interfaces and an output interface, the multi-core fiber coupler combines a plurality of single-core fibers into a multi-core fiber, that is, a plurality of single-core light beams enter the multi-core fiber coupler through the plurality of single-core fibers via the plurality of input interfaces of the multi-core fiber coupler, the single-core light beams correspond to the single-core fibers and the input interfaces of the multi-core fiber coupler one-to-one, and finally, a multi-core fiber is output through the output interface of the multi-core fiber coupler, the light beam transmitted in each core of the multi-core fiber is the plurality of single-core light beams entering the multi-core fiber coupler, the light beam transmitted in the multi-core fiber is the initial light beam in the target shape, and the multi-core fiber transmits the initial light beam in the target shape to the beam excitation module.
In an alternative embodiment, the beam excitation module may include, but is not limited to: the multi-core fiber grating comprises a first multi-core fiber grating, a multi-core active fiber and a second multi-core fiber grating, wherein the first multi-core fiber grating is connected with the beam combining module, the multi-core active fiber is connected with the first multi-core fiber grating, and the second multi-core fiber grating is connected between the multi-core active fiber and the beam output module; the beam excitation module is configured to excite the multi-core active optical fiber by using the initial beam of the target shape to obtain a target beam of the target shape.
Optionally, in this embodiment, the multi-core active fiber is excited by an initial beam of a target shape in the beam excitation module, and the target beam of the target shape is generated under the combined action of a first multi-core fiber grating and a second multi-core fiber grating, where the multi-core active fiber may be, but is not limited to, corresponding to a gain medium in the beam generation apparatus, the first multi-core fiber grating may be, but is not limited to, a multi-core high-reflectivity (HR) fiber grating, the second multi-core fiber grating may be, but is not limited to, a multi-core low-reflectivity (OC) fiber grating, and the combined action of the two multi-core fiber gratings may be, but is not limited to, corresponding to a resonant cavity in the beam generation apparatus.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention.
The present invention will be described in detail with reference to the following examples:
fig. 2 is a schematic diagram of a cross section of a multi-core fiber of a light beam generating apparatus according to an embodiment of the present invention, as shown in fig. 2, the multi-core fiber includes a central core (1) and a surrounding core (2), 6 surrounding cores surround the central core 1, the number of the surrounding cores can be adjusted to 8, 12, 16, etc. equally divided on the circumference as required, and a light beam of a ring-like light spot is naturally formed by output light spots of the central core (1) and the surrounding cores (2).
Fig. 3 is a schematic diagram of a laser of a light beam generation device according to an embodiment of the present invention, and as shown in fig. 3, the laser includes a pump source (3), a multicore fiber coupler (4), a multicore high-reflectivity (HR) fiber grating (5) (i.e., the first multicore fiber grating), a multicore active fiber (6), a multicore low-reflectivity (OC) fiber grating (7) (i.e., the second multicore fiber grating), a cladding light filter (8), a fiber isolator (9), and a laser output port (10), where the optical fiber used in the light beam generation device is a multicore fiber, and in this embodiment, 6 surrounding cores are taken as an example.
The optical fiber coupler comprises 1 pumping source, 6 surrounding fiber cores and 1 central fiber core, wherein 7 pumping sources are needed to control and generate 7 pumping light beams, the 7 pumping light beams are transmitted into the multi-core optical fiber coupler through the 7 single-core optical fibers, the 7 single-core optical fibers are combined into one multi-core optical fiber in the coupler, the 7 fiber cores in the multi-core optical fiber are arranged as shown in figure 3, the 6 surrounding fiber cores surround the 1 central fiber core, namely the 7 pumping light beams form the shape of the arrangement through the arrangement of the 7 fiber cores and are output from an output port of the multi-core optical fiber coupler, and initial light beams in a target shape are formed.
The multi-core active fiber is welded between the multi-core high-reflectivity (HR) fiber grating and the multi-core low-reflectivity (OC) fiber grating, an initial light beam is transmitted to the multi-core active fiber, the multi-core active fiber is excited to generate a light beam, and the light beam generated by the excitation of the initial light beam with a target shape is also of the target shape. Finally, a target-shaped light beam output by the multi-core low-reflectivity (OC) fiber grating is transmitted into a cladding light filter (8) to filter cladding light, so that the transmitted light beam only contains light output by a fiber core of the optical fiber, the light beam after the cladding light is filtered is transmitted into a fiber isolator (9), the fiber isolator is unidirectional, the light beam can only be transmitted in a single direction, laser passing through a laser output port (10) is prevented from encountering light returned by an obstacle, optical devices in the laser are effectively protected, the light beam output by the laser output port is finally the target-shaped light beam, and the laser further comprises a cooling device which can be used for dissipating heat of the laser and all elements in the laser.
In the embodiment, the light beam similar to the annular light spot is naturally formed by the central optical fiber and the output light spot surrounding the optical fiber, and a light beam shaping device is not needed, so that the number of optical devices needing to be assembled is reduced, the assembly difficulty is reduced, and the process risk is reduced; because the light beam control devices are reduced, the control modules of the devices are not required to be added, and the energy consumption is reduced; because the output light intensity of the pumping source can be adjusted through the current on the pumping source, the laser intensity emitted by the annular optical fiber can be tuned without adding any electrical device, so that the requirements of different use scenes are met.
The method embodiments provided in the embodiments of the present invention may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the example of the mobile terminal, fig. 4 is a hardware block diagram of the mobile terminal according to the method for generating a light beam in the embodiment of the present invention. As shown in fig. 4, the mobile terminal may comprise one or more (only one shown in fig. 4) processors 402 (the processor 402 may comprise, but is not limited to, a processing means such as a microprocessor MCU or a programmable logic device FPGA), and a memory 404 for storing data, wherein the mobile terminal may further comprise a transmission device 406 for communication functions and an input-output device 408. It will be understood by those skilled in the art that the structure shown in fig. 4 is only an illustration and is not intended to limit the structure of the mobile terminal. For example, the mobile terminal may also include more or fewer components than shown in FIG. 4, or have a different configuration than shown in FIG. 4.
The memory 404 may be used for storing computer programs, for example, software programs and modules of application software, such as computer programs corresponding to the method for generating a light beam in the embodiment of the present invention, and the processor 402 executes various functional applications and data processing by running the computer programs stored in the memory 404, so as to implement the method described above. The memory 404 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 404 may further include memory located remotely from the processor 402, which may be connected to the mobile terminal through 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 406 is used for receiving or sending 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 406 includes a Network adapter (NIC) that can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 406 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
In the present embodiment, a method for generating a light beam is provided, and fig. 5 is a flowchart of a method for generating a light beam according to an embodiment of the present invention, as shown in fig. 5, the flowchart includes the following steps:
step S502, generating a plurality of single-core light beams;
step S504, the multiple single-core light beams are combined into an initial light beam with a target shape;
step S506, generating a target light beam with the target shape through the excitation of the initial light beam with the target shape;
step S508, outputting the target beam of the target shape.
Through the steps, a plurality of single-core light beams are generated firstly, then the plurality of single-core light beams are combined into an initial light beam with a target shape, the initial light beam with the target shape is excited to generate a target light beam with the target shape, and finally the light beam generates an output light beam, namely the target light beam with the target shape.
In the technical solution provided in step S502, the single-core light beam may include, but is not limited to, pump light generated by a pump source.
In an alternative embodiment, the target shape and beam parameters of the target beam may be acquired by, but are not limited to, generating a plurality of single core beams; and generating the plurality of single-core light beams according to the target shape and the light beam parameters of the target light beam.
Alternatively, in the present embodiment, the above-mentioned generation of the plurality of single-core light beams may be, but is not limited to, generated by, first, according to the target shape of the target light beam and the light beam parameters, according to the target shape, the number of the single-core light beams may be, but is not limited to, determined, and the parameters of each single-core light beam, and the like, and the light beam parameters of the above-mentioned target light beam may be, but is not limited to, controlled by each single-core light beam.
In an alternative embodiment, the single core light beam may be, but is not limited to being, acquired by a light source module, which may include, but is not limited to: the optical fiber beam combiner comprises a plurality of single-core optical fibers and a plurality of pumping sources, wherein the plurality of pumping sources correspond to the plurality of single-core optical fibers one to one, each pumping source in the plurality of pumping sources is connected with the corresponding single-core optical fiber, and the plurality of single-core optical fibers are connected with the beam combining module; each of the plurality of pump sources is configured to generate a single-core light beam in a corresponding single-core optical fiber, so as to obtain one single-core light beam of the plurality of single-core light beams; the plurality of single-core optical fibers are used for transmitting the plurality of single-core light beams to the light beam combining module.
In an optional embodiment, the apparatus for generating a light beam further comprises: a controller, wherein the controller is connected to the plurality of pump sources; the controller is used for adjusting the target shape and/or the beam parameters of the target beam by respectively controlling the equipment parameters of the plurality of pumping sources.
In the technical solution provided in step S504, the initial light beam obtained by combining the plurality of single-core light beams into the target shape may be, but is not limited to, a single-core light beam transmitted through an optical fiber, a plurality of single-core optical fibers respectively transmitted through optical fibers, and then a plurality of optical fibers transmitting the single-core light beam are combined into a multi-core optical fiber, where the core shape of the multi-core optical fiber may be, but is not limited to, the target shape.
In an alternative embodiment, combining a plurality of single core beams into an initial beam of a target shape may, but is not limited to, pass through a beam combining module that may, but is not limited to, include: the multi-core optical fiber coupler comprises a multi-core optical fiber coupler, wherein the input end of the multi-core optical fiber coupler comprises a plurality of input interfaces of single-core optical fibers, and the output end of the multi-core optical fiber coupler comprises an output interface of a multi-core optical fiber; the input interfaces of the single-core optical fibers are connected with the single-core optical fibers in a one-to-one correspondence manner; the output interface of the multi-core optical fiber is connected with the light beam excitation module; the multi-core optical fiber coupler is used for coupling the plurality of single-core light beams transmitted by the plurality of single-core optical fibers into the initial light beam with the target shape and transmitting the initial light beam with the target shape to the light beam excitation module through the output interface of the multi-core optical fiber.
In the technical solution provided in step S506 above, the target beam of the target shape is generated by excitation of the initial beam of the target shape.
In an alternative embodiment, the target beam of the target shape may be, but is not limited to being, generated by a target-shaped initial beam excitation module, which may include, but is not limited to: the multi-core fiber grating comprises a first multi-core fiber grating, a multi-core active fiber and a second multi-core fiber grating, wherein the first multi-core fiber grating is connected with the beam combining module, the multi-core active fiber is connected with the first multi-core fiber grating, and the second multi-core fiber grating is connected between the multi-core active fiber and the beam output module; the beam excitation module is configured to excite the multi-core active optical fiber by using the initial beam of the target shape to obtain a target beam of the target shape.
In the technical solution provided in step S508, the target beam with the target shape may be directly output, or the target beam with the target shape may be output after being processed by a certain processing operation, and the processing operation may include, but is not limited to: filtering, anti-reflection, etc.
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, a light beam generating device is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and the description of the device that has been already made is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 6 is a block diagram of a structure of an apparatus for generating a light beam according to an embodiment of the present invention, as shown in fig. 6, the apparatus including:
a first generating module 62 for generating a plurality of single-core light beams;
a combining module 64 for combining the plurality of single-core light beams into an initial light beam of a target shape;
a second generating module 66 for generating the target beam of the target shape by excitation of the initial beam of the target shape;
an output module 68, configured to output the target beam with the target shape.
Through the steps, a plurality of single-core light beams are generated firstly, then the plurality of single-core light beams are combined into an initial light beam with a target shape, the initial light beam with the target shape is excited to generate a target light beam with the target shape, and finally the light beam generates an output light beam, namely the target light beam with the target shape.
In an optional embodiment, the first generating module includes:
an acquisition unit configured to acquire the target shape and a beam parameter of the target beam;
and the generating unit is used for generating the plurality of single-core light beams according to the target shape and the light beam parameters of the target light beam.
In an alternative embodiment, the light source module includes: the optical fiber beam combiner comprises a plurality of single-core optical fibers and a plurality of pumping sources, wherein the plurality of pumping sources correspond to the plurality of single-core optical fibers one to one, each pumping source in the plurality of pumping sources is connected with the corresponding single-core optical fiber, and the plurality of single-core optical fibers are connected with the beam combining module; each of the plurality of pump sources is configured to generate a single-core light beam in a corresponding single-core optical fiber, so as to obtain one single-core light beam of the plurality of single-core light beams; the plurality of single-core optical fibers are used for transmitting the plurality of single-core light beams to the light beam combining module.
In an optional embodiment, the apparatus for generating a light beam further comprises: a controller, wherein the controller is connected to the plurality of pump sources; the controller is used for adjusting the target shape and/or the beam parameters of the target beam by respectively controlling the equipment parameters of the plurality of pumping sources.
In an alternative embodiment, the beam combining module comprises: the multi-core optical fiber coupler comprises a multi-core optical fiber coupler, wherein the input end of the multi-core optical fiber coupler comprises a plurality of input interfaces of single-core optical fibers, and the output end of the multi-core optical fiber coupler comprises an output interface of a multi-core optical fiber; the input interfaces of the single-core optical fibers are connected with the single-core optical fibers in a one-to-one correspondence manner; the output interface of the multi-core optical fiber is connected with the light beam excitation module; the multi-core optical fiber coupler is used for coupling the plurality of single-core light beams transmitted by the plurality of single-core optical fibers into the initial light beam with the target shape and transmitting the initial light beam with the target shape to the light beam excitation module through the output interface of the multi-core optical fiber.
In an alternative embodiment, the beam excitation module comprises: the multi-core fiber grating comprises a first multi-core fiber grating, a multi-core active fiber and a second multi-core fiber grating, wherein the first multi-core fiber grating is connected with the beam combining module, the multi-core active fiber is connected with the first multi-core fiber grating, and the second multi-core fiber grating is connected between the multi-core active fiber and the beam output module; the beam excitation module is configured to excite the multi-core active optical fiber by using the initial beam of the target shape to obtain a target beam of the target shape.
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.
Embodiments of the present invention also provide 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-mentioned method embodiments when executed.
In the present embodiment, the above-mentioned computer-readable storage medium may be configured to store a computer program for executing the steps of:
s1, generating a plurality of single-core light beams;
s2, combining the single-core light beams into an initial light beam with a target shape;
s3, generating the target light beam with the target shape through the excitation of the initial light beam with the target shape;
and S4, outputting the target light beam with the target shape.
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.
In an exemplary embodiment, the processor may be configured to execute the following steps by a computer program:
s1, generating a plurality of single-core light beams;
s2, combining the single-core light beams into an initial light beam with a target shape;
s3, generating the target light beam with the target shape through the excitation of the initial light beam with the target shape;
and S4, outputting the target light beam with the target shape.
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. An optical beam generating apparatus, comprising: a light source module, a light beam synthesizing module, a light beam exciting module and a light beam output module, wherein,
the light source module is connected with the light beam synthesis module, the light beam synthesis module is connected with the light beam excitation module, and the light beam excitation module is connected with the light beam output module;
the light source module is used for generating a plurality of single-core light beams;
the light beam synthesis module is used for synthesizing the plurality of single-core light beams into an initial light beam with a target shape;
the beam excitation module is used for generating a target beam of the target shape through the excitation of the initial beam of the target shape;
and the light beam output module is used for outputting the target light beam with the target shape.
2. The apparatus of claim 1, wherein the light source module comprises: a plurality of single core optical fibers and a plurality of pump sources, wherein,
the multiple pumping sources correspond to the multiple single-core optical fibers one by one, each pumping source in the multiple pumping sources is connected with the corresponding single-core optical fiber, and the multiple single-core optical fibers are connected with the light beam synthesis module;
each of the plurality of pump sources is configured to generate a single-core light beam in a corresponding single-core optical fiber, so as to obtain one single-core light beam of the plurality of single-core light beams;
the plurality of single-core optical fibers are used for transmitting the plurality of single-core light beams to the light beam combining module.
3. The apparatus of claim 2, wherein the apparatus for generating the light beam further comprises: a controller, wherein the controller is configured to, among other things,
the controller is connected with the plurality of pumping sources;
the controller is used for adjusting the target shape and/or the beam parameters of the target beam by respectively controlling the equipment parameters of the plurality of pumping sources.
4. The apparatus of claim 2, wherein the beam combining module comprises: a multi-core fiber coupler, wherein,
the input end of the multi-core optical fiber coupler comprises a plurality of input interfaces of single-core optical fibers, and the output end of the multi-core optical fiber coupler comprises an output interface of a multi-core optical fiber; the input interfaces of the single-core optical fibers are connected with the single-core optical fibers in a one-to-one correspondence manner; the output interface of the multi-core optical fiber is connected with the light beam excitation module;
the multi-core optical fiber coupler is used for coupling the plurality of single-core light beams transmitted by the plurality of single-core optical fibers into the initial light beam with the target shape and transmitting the initial light beam with the target shape to the light beam excitation module through the output interface of the multi-core optical fiber.
5. The apparatus of claim 1, wherein the beam excitation module comprises: a first multicore fiber grating, a multicore active fiber, and a second multicore fiber grating, wherein,
the first multi-core fiber grating is connected with the beam combining module, the multi-core active fiber is connected with the first multi-core fiber grating, and the second multi-core fiber grating is connected between the multi-core active fiber and the beam output module;
the beam excitation module is configured to excite the multi-core active optical fiber by using the initial beam of the target shape to obtain a target beam of the target shape.
6. A method of generating a light beam, comprising:
generating a plurality of single-core light beams;
synthesizing the plurality of single-core light beams into an initial light beam of a target shape;
generating a target beam of the target shape by excitation of an initial beam of the target shape;
and outputting the target beam with the target shape.
7. The method of claim 6, wherein the generating a plurality of single core light beams comprises:
acquiring the target shape and beam parameters of the target beam;
and generating the plurality of single-core light beams according to the target shape and the light beam parameters of the target light beam.
8. An apparatus for generating a light beam, comprising:
the first generation module is used for generating a plurality of single-core light beams;
a synthesizing module for synthesizing the plurality of single-core light beams into an initial light beam of a target shape;
a second generation module for generating a target beam of the target shape by excitation of the initial beam of the target shape;
and the output module is used for outputting the target light beam with the target shape.
9. A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the method as claimed in claim 6 or 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 as claimed in claim 6 or 7 are implemented when the processor executes the computer program.
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