CN114825017A

CN114825017A - Light beam generation device, method, apparatus, storage medium, and electronic apparatus

Info

Publication number: CN114825017A
Application number: CN202210764047.XA
Authority: CN
Inventors: 阮仁秋; 张鑫涵; 胡方; 邝珺; 朱超; 龚勋; 刘晓旭; 闫大鹏
Original assignee: Wuhan Raycus Fiber Laser Technologies Co Ltd
Current assignee: Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-07-29

Abstract

The application discloses a light beam generating device, a method, a device, a storage medium and an electronic device, wherein the device comprises: the beam combiner comprises a first pumping device, a second pumping device, a support table and a beam combining device, wherein the first pumping device is fixed on a first surface of the support table, and the second pumping device is fixed on a second surface of the support table; the first pumping device is used for outputting a first light beam to the beam combining device; the second pumping device is used for outputting a second light beam to the beam combining device; the beam combining device is used for combining the first light beam and the second light beam into the target light beam, and by adopting the technical scheme, the problems of large size and mass and the like of the light beam generating equipment in the related technology are solved, and the technical effect of reducing the size and the mass of the light beam generating equipment is realized.

Description

Light beam generation device, method, apparatus, storage medium, and electronic apparatus

Technical Field

The present disclosure relates to the field of laser technologies, and in particular, to a light beam generating apparatus, a light beam generating method, a light beam generating apparatus, a storage medium, and an electronic apparatus.

Background

The semiconductor laser uses a semiconductor as a laser working substance, particle number reversal is formed between the particle energy level of the semiconductor and an impurity energy band in an electric excitation mode, transfer of a large number of electrons and holes is realized, particle number reversal is formed to form stimulated emission, a high-reflection film and a semi-reflection semi-transmission film with corresponding emission wavelengths are plated on the end face of a semiconductor chip to form a resonant cavity, and therefore oscillation amplification output of laser is achieved. The semiconductor laser has incomparable electro-optic conversion efficiency which is more than 70 percent compared with other lasers, has the advantages of small volume, high frequency, relatively simple production process and the like, is used as a pumping source, has wide emission wavelength bandwidth which corresponds to the absorption wavelength bandwidth of a plurality of laser working substances, and is widely applied to the pumping source of a solid laser, the pumping source of an optical fiber laser and the semiconductor laser for direct output after beam combination.

At present, the internal structure of a semiconductor laser module is that multiple paths of semiconductor chips are sequentially arranged on the same plane, light emitted by each path of chip passes through a respective reflector set, multiple paths of laser are converged into one path of light, the light is output through a transmission medium, and most of the transmission medium is optical fibers. Along with the development of current fiber lasers and solid lasers towards high power, the energy demand on semiconductor laser pumping sources is higher and higher, the mode of increasing the number of semiconductor chips is generally adopted at present, the increased semiconductor chips are sequentially arranged behind the existing semiconductor chips, so that the intensity of output light beams meets the use demand, the demand on the light beam intensity of the semiconductor laser pumping sources is met, and the volume and the weight of the semiconductor laser modules are increased due to the fact that the number of the semiconductor chips in the laser modules is increased.

An effective solution is not provided for the problems of large volume and mass of the light beam generation equipment in the related art.

Disclosure of Invention

The embodiment of the application provides a light beam generation device, a light beam generation method, a light beam generation device, a storage medium and an electronic device, and aims to at least solve the problems that the size and the mass of the light beam generation device in the related art are large and the like.

According to an embodiment of the present application, there is provided an optical beam generation apparatus including: the device comprises a first pumping device, a second pumping device, a support table and a beam combining device, wherein the first pumping device is fixed on a first surface of the support table, and the second pumping device is fixed on a second surface of the support table; the first pumping device is used for outputting a first light beam to the beam combining device; the second pumping device is used for outputting a second light beam to the beam combining device; the beam combining device is used for combining the first light beam and the second light beam into a target light beam.

Optionally, the first pumping device comprises: a plurality of sets of first pumping units, the second pumping arrangement comprising: a plurality of sets of second pumping units, wherein the plurality of sets of first pumping units are arranged in parallel on the first surface, and the plurality of sets of second pumping units are arranged in parallel on the second surface; the multiple groups of first pumping units are used for generating a plurality of first pumping light beams with the same optical path to obtain the first light beams; the multiple groups of second pumping units are used for generating multiple second pumping light beams with the same light path to obtain the second light beams; wherein, a first optical path corresponding to the optical path from the first pumping device to the light beam output surface of the beam combining device is allowed to be adjusted, and the first optical path is used for adjusting the phase difference of the first light beam and the second light beam; and/or a second optical path corresponding to the optical path from the second pumping device to the light beam output surface of the beam combining device is allowed to be adjusted, and the second optical path is used for adjusting the phase difference of the first light beam and the second light beam.

Optionally, the first pump unit includes: the first optical path adjusting mirror is fixed in the first pumping unit; the first pump source is used for outputting the first pump beam to the first optical path adjusting mirror, wherein the position of the first pump source in the first pump unit is allowed to be adjusted, and the optical path from the first pump source to the beam output face of the beam combining device refers to the optical path from the first pump source to the beam output face of the beam combining device; the first optical path adjusting mirror is used for adjusting a transmission optical path of the first pump beam to an optical path of the first beam; the second pumping unit includes: the second pump source and the second optical path adjusting mirror are fixed in the first pump unit; the second pump source is used for outputting the second pump beam to the second optical path adjusting mirror, wherein the position of the second pump source in the first pump unit is allowed to be adjusted, and the optical path from the second pump device to the beam output surface of the beam combining device refers to the optical path from the first pump source to the beam output surface of the beam combining device; and the second optical path adjusting mirror is used for adjusting the transmission optical path of the second pump beam to the optical path of the second beam.

Optionally, the light beam generating device further comprises: a processor, wherein the processor is connected with the first pumping device and the second pumping device respectively; the processor is used for acquiring the target beam intensity from the received beam output request; adjusting a phase difference between the first beam and the second beam to be a target phase difference by adjusting the first pumping device and/or the second pumping device according to the target beam intensity, wherein the target phase difference is matched with the target beam intensity.

Optionally, the beam combining device includes: the optical path conversion unit is arranged on an output optical path of the first pumping device, and the light beam combining unit is arranged on an output optical path of the optical path conversion unit and an output optical path of the second pumping device; the light path conversion unit is used for performing light path conversion on the first light beam to obtain a third light beam; the beam combining unit is configured to combine the second beam and the third beam into the target beam.

According to an embodiment of the present application, there is provided a light beam generation method including: the method comprises the steps of obtaining a light beam output request, wherein the light beam output request is used for requesting light beam generation equipment to output a target light beam with target light beam intensity, the light beam generation equipment comprises a first pumping device, a second pumping device, a support table and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used for combining and outputting a first light beam output by the first pumping device and a second light beam output by the second pumping device; adjusting a phase difference between the first beam and the second beam to a target phase difference by adjusting the first pumping device and/or the second pumping device, wherein the target phase difference is intensity matched to the target beam; and controlling the first pumping device and the second pumping device to output beams to obtain the target beam with the target beam intensity.

Optionally, the adjusting, by adjusting the first pump device and/or the second pump device, the phase difference between the first optical beam and the second optical beam to be a target phase difference includes: determining the target phase difference from the target beam intensity and device parameters of the beam generating device; determining a target optical path difference matched with the target phase difference; and adjusting the first pumping device and/or the second pumping device to obtain the light beam generating equipment with the optical path difference between a first optical path and a second optical path as the target optical path difference, wherein the first optical path is an optical path corresponding to an optical path from the first pumping device to the light beam output surface of the beam combining device, and the second optical path is an optical path corresponding to an optical path from the second pumping device to the light beam output surface of the beam combining device.

Optionally, the adjusting the first pumping device and/or the second pumping device includes at least one of: adjusting the distance between each first pump source included in the first pump device and the first optical path adjusting mirror corresponding to the first pump source, wherein the first pumping device comprises a plurality of groups of first pumping units, each group of the first pumping units comprises the first pumping source and the first optical path adjusting mirror, the first optical path adjusting mirror is fixed in the first pumping unit, the first pumping source is used for outputting a first pumping beam to the first optical path adjusting mirror, the position of the first pump source in the first pump unit is allowed to be adjusted, the optical path of the first pump device to the beam output face of the beam combining device refers to the optical path from the first pump source to the beam output face of the beam combining device, the first optical path adjusting mirror is used for adjusting a transmission optical path of the first pump beam to an optical path of the first beam; adjusting the distance between each second pump source included in the second pump device and the second optical path adjusting mirror corresponding to the second pump source, wherein the second pumping device comprises a plurality of groups of second pumping units, each group of second pumping units comprises the second pumping source and the second optical path adjusting mirror, the second optical path adjusting mirror is fixed in the second pumping unit, the second pumping source is used for outputting a second pumping beam to the second optical path adjusting mirror, the position of the second pump source in the second pump unit is allowed to be adjusted, the optical path of the second pump device to the beam output face of the beam combining device refers to the optical path from the second pump source to the beam output face of the beam combining device, the second optical path adjusting mirror is used for adjusting the transmission optical path of the second pump beam to the optical path of the second beam.

Optionally, the determining the target phase difference according to the target beam intensity and the device parameter of the beam generating device includes: determining the target phase difference by the following formula∆X：

；

Wherein,Ifor the intensity of the target light beam,I ₀ the beam intensity of the pump source output beam used by the beam generating device,athe device parameters include, for coefficients matching the target beam intensityI ₀ 。

According to another embodiment of the embodiments of the present application, there is also provided a light beam generating apparatus including: the device comprises an acquisition module, a beam output module and a beam combining module, wherein the beam output module is used for acquiring a beam output request, the beam output request is used for requesting a beam generating device to output a target beam with target beam intensity, the beam generating device comprises a first pumping device, a second pumping device, a support table and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used for combining and outputting a first beam output by the first pumping device and a second beam output by the second pumping device; an adjusting module, configured to adjust a phase difference between the first beam and the second beam to be a target phase difference by adjusting the first pumping device and/or the second pumping device, where the target phase difference is matched with the target beam intensity; and the control module is used for controlling the first pumping device and the second pumping device to output beams to obtain the target beam with the target beam intensity.

According to yet another aspect of the embodiments of the present application, there is also provided a computer-readable storage medium having a computer program stored therein, wherein the computer program is configured to perform the above-mentioned beam generation method when running.

According to another aspect of the embodiments of the present application, there is also provided an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the light beam generation method through the computer program.

In an embodiment of the present application, a light beam generating apparatus includes: the beam combiner comprises a first pumping device, a second pumping device, a support table and a beam combining device, wherein the first pumping device is fixed on a first surface of the support table, and the second pumping device is fixed on a second surface of the support table; the first pumping device is used for outputting a first light beam to the beam combining device; the second pumping device is used for outputting a second light beam to the beam combining device; the beam combining device is used for combining the first light beam and the second light beam into a target light beam, namely, the pumping devices of the light beam generating equipment are respectively arranged on different surfaces of the same supporting platform, the light beams output by the pumping devices on different surfaces of the same supporting platform are combined by using the beam combining device to obtain the target light beam, and the pumping sources are arranged on different planes of the supporting platform, so that the size of the supporting platform is reduced, and further, the size and the quality of the light beam generating equipment are reduced on the premise of ensuring that the light beam output is unchanged. By adopting the technical scheme, the problems of large volume and mass of the light beam generating equipment in the related technology and the like are solved, and the technical effect of reducing the volume and mass of the light beam generating equipment is realized.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic diagram of an alternative beam generating apparatus according to an embodiment of the present application;

FIG. 2 is an alternative optical path schematic according to an embodiment of the present application;

FIG. 3 is a top view of a first face of an alternative beam-generating apparatus according to an embodiment of the present application;

FIG. 4 is a top view of a second side of an alternative beam-generating device according to an embodiment of the present application;

FIG. 5 is a side view of an alternative beam generating device according to an embodiment of the present application;

FIG. 6 is a schematic diagram of optical beam transmission of an alternative optical beam generating device according to an embodiment of the present application;

FIG. 7 is a diagram of a hardware environment for a method of beam generation according to an embodiment of the present application;

FIG. 8 is a flow chart of a method of generating a light beam according to an embodiment of the present application;

fig. 9 is a block diagram of a light beam generating apparatus according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present embodiment, a light beam generating device is provided, and fig. 1 is a schematic diagram of an alternative light beam generating device according to an embodiment of the present application, as shown in fig. 1, the light beam generating device may include, but is not limited to: a first pump device 12, a second pump device 14, a support 16, and a beam combiner 18, wherein,

the first pumping device 13 is fixed on a first surface of the support table 16, and the second pumping device 14 is fixed on a second surface of the support table 16;

the first pumping device 12 is configured to output a first light beam to the beam combining device 18;

the second pumping device 14 is configured to output a second light beam to the beam combining device 18;

the beam combining device 18 is configured to combine the first light beam and the second light beam into a target light beam.

Through the steps, the pumping devices of the light beam generation equipment are respectively arranged on different surfaces of the same supporting platform, the light beams output by the pumping devices on different surfaces of the same supporting platform are combined by the beam combining device to obtain target light beams, and the pumping sources are arranged on different planes of the supporting platform, so that the size of the supporting platform is reduced, and the size and the quality of the light beam generation equipment are reduced on the premise of ensuring that the light beam output is unchanged. By adopting the technical scheme, the problems of large volume and mass of the light beam generating equipment in the related technology and the like are solved, and the technical effect of reducing the volume and mass of the light beam generating equipment is realized.

Alternatively, in this embodiment, the pumping device may be installed on any surface of the supporting table, and the pumping device may be fixed to multiple surfaces of the supporting table at the same time, which is not limited in this embodiment.

Alternatively, in this embodiment, the supporting platform may be a supporting platform made of a heat dissipating material, or a supporting platform with a heat dissipating device embedded therein, such as a heat dissipating fan, a heat dissipating plate, or the like embedded therein, or a solid supporting platform made of a heat dissipating material such as copper, iron, or the like.

Optionally, in this embodiment, the pumping device may be a light beam output device composed of one or more pumping sources, and is configured to output a light beam with a specific light beam parameter, and the operating parameters of the multiple pumping sources disposed in the same pumping device may be the same or different, which is not limited in this embodiment.

Optionally, in this embodiment, the beam parameters of the first beam and the second beam may be the same or different, and the beam parameters may include, but are not limited to, beam intensity, beam power, frequency, wavelength, and the like.

Alternatively, in this embodiment, the beam combining device may be, but not limited to, composed of optical elements, and the arrangement position and the number of the optical elements in the beam combining device are determined according to the optical path of the output beam of the pumping device.

Alternatively, in this embodiment, the beam combining device may be disposed on the support platform, or may be disposed separately from the support platform.

As an alternative embodiment, the first pumping means comprises: a plurality of sets of first pumping units, the second pumping arrangement comprising: a plurality of sets of second pumping units, wherein,

the multiple groups of first pumping units are arranged on the first surface in parallel, and the multiple groups of second pumping units are arranged on the second surface in parallel;

the multiple groups of first pumping units are used for generating a plurality of first pumping light beams with the same optical path to obtain the first light beams; the multiple groups of second pumping units are used for generating multiple second pumping light beams with the same light path to obtain the second light beams;

wherein, a first optical path corresponding to the optical path from the first pumping device to the light beam output surface of the beam combining device is allowed to be adjusted, and the first optical path is used for adjusting the phase difference of the first light beam and the second light beam; and/or a second optical path corresponding to the optical path from the second pumping device to the light beam output surface of the beam combining device is allowed to be adjusted, and the second optical path is used for adjusting the phase difference of the first light beam and the second light beam.

Optionally, in this embodiment, the distances between the multiple groups of pump units in the same pump device on the same plane are adjustable, and the distance between the different pump units is adjusted, so as to adjust the phase difference between the light beams after the multiple pump light beams are in the same path, and further adjust the beam energy parameters of the first light beam or the second light beam after the pump light beams are combined, where the beam energy parameters may include, but are not limited to, beam intensity, beam energy, and the like.

Optionally, in this embodiment, the optical path corresponding to the optical path from the pumping device to the beam output surface of the combining device may be a distance that light is transmitted from the pumping device light output surface to the combining device light output surface, or may also be a distance that light is output from a pumping source included in a pumping unit in the pumping device and is transmitted to the combining device output surface, for example, the first optical path may be a distance that a first light beam is transmitted from a first pumping beam output position where multiple light beams are in the same path to the combining device output surface, or may also be a distance that a first pumping light beam is transmitted from a start position of the first pumping light beam to the beam output surface of the combining device.

A pumping device may include a plurality of pumping units, each of which outputs a pumping beam, and an optical path of the pumping device to a beam output surface of the beam combining device may be a distance that the pumping beam is transmitted from a start transmission position to the beam output surface of the beam combining device, fig. 2 is an optional optical path schematic diagram according to an embodiment of the present disclosure, as shown in fig. 2, a pumping device may include a plurality of pumping units (only two pumping units are exemplarily shown in the figure), the plurality of pumping units are arranged in parallel, each pumping unit includes a pumping source and an optical path adjusting mirror, so that the pumping beams output by the plurality of pumping units are in the same path, the optical path adjusting mirror may be, but is not limited to, a reflective beam combining mirror, the pumping beam of a current pumping unit irradiates a target position on a reflective surface of the corresponding reflective beam combining mirror, and the pumping beam output by the reflective beam combining mirror of a previous pumping unit irradiates a target position on a transmissive surface of the current reflective beam combining mirror The location of the response. The optical path from the pumping device to the light beam output surface of the beam combining device corresponds to the optical path distance value from D3 to D1, and therefore, the optical path can be adjusted by adjusting the value of any one or more of D1, D2 and D3.

As an alternative embodiment, the first pump unit comprises: the first optical path adjusting mirror is fixed in the first pumping unit; the first pump source is used for outputting the first pump beam to the first optical path adjusting mirror, wherein the position of the first pump source in the first pump unit is allowed to be adjusted, and the optical path from the first pump source to the beam output surface of the beam combining device refers to the optical path from the first pump source to the beam output surface of the beam combining device; the first optical path adjusting mirror is used for adjusting a transmission optical path of the first pump beam to an optical path of the first beam;

the second pumping unit includes: the second pump source and the second optical path adjusting mirror are fixed in the first pump unit; the second pump source is used for outputting the second pump beam to the second optical path adjusting mirror, wherein the position of the second pump source in the first pump unit is allowed to be adjusted, and the optical path from the second pump device to the beam output surface of the beam combining device refers to the optical path from the first pump source to the beam output surface of the beam combining device; and the second optical path adjusting mirror is used for adjusting the transmission optical path of the second pump beam to the optical path of the second beam.

Optionally, in this embodiment, a plurality of pumping units are disposed in each pumping device, and the operating state of each pumping unit can be controlled individually, for example, 5 pumping units are disposed in the pumping device, and any pumping unit can be controlled individually to output a pumping beam.

Optionally, in this embodiment, the pump source is configured to generate a light beam with a stable optical path, and therefore, the pump source at least includes a light emitting source, where the light emitting source may include but is not limited to a semiconductor laser chip (a laser beam is emitted from a semiconductor laser chip after a mobile phone), and in order to ensure that the transmission optical path of the light beam is stable, the pump source may further include a collimating mirror, or a semi-reflective and semi-transparent film system may be further disposed at a front end of the light emitting source of the pump source, where the semi-reflective and semi-transparent film system is configured to eliminate a wavelength shift effect of the light emitting source due to a temperature increase.

Optionally, in this embodiment, each pumping unit corresponds to one optical path adjusting mirror, the optical path adjusting mirror may include, but is not limited to, optical elements such as a reflecting mirror and a reflecting beam combiner, the used optical elements are different, and the arrangement manner of the optical path adjusting mirrors corresponding to the multiple pumping units is different.

As an alternative embodiment, the light beam generating device further comprises: a processor for, among other things,

the processor is respectively connected with the first pumping device and the second pumping device;

the processor is used for acquiring the target beam intensity from the received beam output request; adjusting a phase difference between the first beam and the second beam to be a target phase difference by adjusting the first pumping device and/or the second pumping device according to the target beam intensity, wherein the target phase difference is matched with the target beam intensity.

Optionally, in this embodiment, adjusting the phase difference may be by adjusting a first optical path corresponding to an optical path from the first pumping device to the light beam output surface of the beam combining device, and/or adjusting a second optical path corresponding to an optical path from the second pumping device to the light beam output surface of the beam combining device; or by adjusting an operating parameter of the first pumping means, and/or the second pumping means, such as adjusting the beam output time, frequency, etc. of the first pumping means, and/or the second pumping means.

Optionally, in this embodiment, adjusting the phase difference between the first beam and the second beam to be the target phase difference by adjusting the first pumping device and/or the second pumping device may include, but is not limited to, the following steps: according to the targetDetermining the target phase difference from the beam intensity and device parameters of the beam generating device; determining a target optical path difference matched with the target phase difference; and adjusting the first pumping device and/or the second pumping device to obtain the light beam generating equipment with the optical path difference between a first optical path and a second optical path as the target optical path difference, wherein the first optical path is an optical path corresponding to an optical path from the first pumping device to the light beam output surface of the beam combining device, and the second optical path is an optical path corresponding to an optical path from the second pumping device to the light beam output surface of the beam combining device. Wherein determining the target phase difference from the target beam intensity and the device parameter of the beam generating device comprises at least the following: determining the target phase difference by the following formula

：

；

Optionally, in this embodiment, adjusting the operation of the first pumping device and/or the second pumping device comprises at least one of: adjusting the distance between each first pump source included in the first pump device and the first optical path adjusting mirror corresponding to the first pump source, wherein the first pumping device comprises a plurality of groups of first pumping units, each group of the first pumping units comprises the first pumping source and the first optical path adjusting mirror, the first optical path adjusting mirror is fixed in the first pumping unit, the first pumping source is used for outputting a first pumping beam to the first optical path adjusting mirror, the position of the first pump source in the first pump unit is allowed to be adjusted, the optical path of the first pump device to the beam output face of the beam combining device refers to the optical path from the first pump source to the beam output face of the beam combining device, the first optical path adjusting mirror is used for adjusting a transmission optical path of the first pump beam to an optical path of the first beam; adjusting the distance between each second pump source included in the second pump device and the second optical path adjusting mirror corresponding to the second pump source, wherein the second pumping device comprises a plurality of groups of second pumping units, each group of second pumping units comprises the second pumping source and the second optical path adjusting mirror, the second optical path adjusting mirror is fixed in the second pumping unit, the second pumping source is used for outputting a second pumping beam to the second optical path adjusting mirror, the position of the second pump source in the second pump unit is allowed to be adjusted, the optical path of the second pump device to the beam output face of the beam combining device refers to the optical path from the second pump source to the beam output face of the beam combining device, the second optical path adjusting mirror is used for adjusting the transmission optical path of the second pump beam to the optical path of the second beam.

As an optional embodiment, the beam combining apparatus includes: an optical path conversion unit and a beam combining unit, wherein,

the optical path conversion unit is arranged on an output optical path of the first pumping device, and the light beam combining unit is arranged on an output optical path of the optical path conversion unit and an output optical path of the second pumping device;

the light path conversion unit is used for carrying out light path conversion on the first light beam to obtain a third light beam;

the beam combining unit is configured to combine the second beam and the third beam into the target beam.

Alternatively, in the present embodiment, the optical path conversion unit is composed of optical elements, and the setting position of the optical path changing unit and the number of optical elements used may be determined in accordance with the optical paths of the first light beam and the second light beam.

Optionally, in this embodiment, the light beam combining unit may be configured to adjust a transmission optical path of the second light beam to a transmission optical path of the third light beam, adjust the transmission optical path of the third light beam to the transmission optical path of the second light beam, or adjust the transmission optical paths of the second light beam and the third light beam to a transmission optical path of a fourth light beam, where the transmission optical path of the fourth light beam is different from the transmission optical path of the first light beam, the transmission optical path of the second light beam, and the transmission optical path of the third light beam.

When in use, the pumping devices with the same structure can be arranged on different surfaces of the same supporting block, such as a symmetrical surface, and the light beams on the two surfaces are combined to output a target light beam, fig. 3 is a top view of a first surface of an alternative light beam generating device according to the embodiment of the present application, fig. 4 is a top view of a second surface of an alternative light beam generating device according to the embodiment of the present application, wherein the first surface is a symmetrical surface of the second surface of the light beam generating device, fig. 5 is a side view of the alternative light beam generating device according to the embodiment of the present application, as shown in fig. 3, fig. 4 and fig. 5, the light beam generating device mainly comprises a supporting block which is a metal copper structure, the upper surface and the lower surface of the supporting block are processed into stepped and gradually-increasing step-shaped bosses, the two surfaces are respectively provided with the pumping devices with the same structure, each pumping device comprises a plurality of pumping units, each pumping unit comprises a semiconductor laser chip, a semi-reflective and semi-transparent film system, a collimating mirror and a reflecting beam combiner which are sequentially arranged, and because the emission wavelength of the semiconductor chip has a red shift effect along with the rise of temperature, the semi-reflective and semi-transparent film system is arranged to prevent wavelength shift, optionally, the emission wavelength of the semiconductor chip can be selected from 808nm, 888nm, 915nm, 976nm, 980nm and the like, and the embodiment takes a light beam with a wavelength of 915nm as an example. In this embodiment, the heat sink block is a solid metal copper block, the heat dissipation mode is contact heat exchange heat dissipation, the collimating mirror and the chip are arranged in one-to-one correspondence with each other and at the front end of the chip, and can move along the light path direction, so as to collimate the divergent light emitted by the semiconductor chip into parallel light, the reflection beam combining mirror is fixed at the tail end of the boss seat, the reflection surface of the reflection beam combining mirror is plated with a 915nm high reflection film, the reflectivity is 99.9%, and the reflection surface of the reflection beam combining mirror is processed into a reflection surface with an inclination angle of 5 degrees, so as to prevent the light beam from returning along the light path to damage the chip. The pumping means on the first and second (upper and lower) faces of the beam generating device are of the same construction. In order to couple the laser of the first surface and the laser beam of the second surface into one path of laser, a through hole of 10mm x 10mm is processed at the output end of the supporting block, the short side surface of the trapezoidal prism is fixed on the through hole, the prism is used for reversing the laser beam of the back surface by 180 degrees and transmitting the laser beam to the second surface, then the laser beam is further turned by 90 degrees by utilizing the reflector, the reflecting surface of the reflector is also processed into a surface with an inclination angle of 5 degrees, and the laser beam is prevented from being transmitted to the laser path of the back surface along the optical axis to cause damage of devices. The laser beams output by the first surface pumping device and the second surface pumping device reach the beam combining mirror, one laser beam irradiates on a target position on a transmission surface of the beam combining mirror, the other laser beam irradiates on a position symmetrical to the target position on a reflection surface of the beam combining mirror, the two lasers are combined into one laser beam at the moment, then the laser beam reaches the coupling output prism which is a square prism, a reflection edge of the coupling output prism is 45 degrees along the diagonal direction, the function of the coupling output prism is to turn the light path 90 degrees again, the light beams cannot be mirrored, the prism is simple to assemble and adjust, and the precision required for the consistency of the optical axes in the vertical direction is not high. So far, the two laser beams complete the beam combination output.

Fig. 6 is a schematic diagram of beam transmission of an alternative beam generating apparatus according to an embodiment of the present application, and as shown in fig. 6, the beam generating apparatus includes two pumping devices (a first pumping device and a second pumping device), where the two pumping devices are respectively disposed on a first surface and a second surface (upper surface and lower surface) of the apparatus, each pumping device includes a plurality of pumping units, each pumping unit includes a semiconductor laser chip, a semi-reflective and semi-transmissive film system, a collimating mirror and a reflective beam combiner, the first beam generated by the first pumping device is reflected by a trapezoidal prism to obtain a third beam on the second surface, the third beam is reflected by the reflective mirror to adjust an optical path to a light-transmitting surface of the beam combiner, and the second beam output by the second pumping device is irradiated on a light-reflecting surface of the beam combiner, so that the third beam and the second beam are combined into a beam, the laser beam then reaches the coupling-out prism, so that the target beam is output.

The method provided by the embodiment of the application can be executed in a computer terminal, a device terminal or a similar operation device. For example, when the optical system runs on a computer terminal, fig. 7 is a hardware environment diagram of a light beam generation method according to an embodiment of the present application. As shown in fig. 7, the computer terminal may include one or more (only one shown in fig. 7) processors 702 (the processors 702 may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 704 for storing data, and in an exemplary embodiment, may also include a transmission device 706 for communication functions and an input-output device 708. It will be understood by those skilled in the art that the structure shown in fig. 7 is only an illustration, and is not intended to limit the structure of the computer terminal. For example, the computer terminal may also include more or fewer components than shown in FIG. 8, or have a different configuration with equivalent functionality to that shown in FIG. 7 or with more functionality than that shown in FIG. 7.

The memory 704 may be used to store computer programs, for example, software programs and modules of application software, such as a computer program corresponding to the message pushing sending method in the embodiment of the present invention, and the processor 702 executes various functional applications and data processing by running the computer programs stored in the memory 704, that is, implements the method described above. The memory 704 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 704 may further include memory located remotely from the processor 702, which may be connected to a computer 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 means 706 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 computer terminal. In one example, the transmission device 706 includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the transmission device 706 can be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.

In the present embodiment, a light beam generating method is provided, which is applied to the above-mentioned computer terminal, and fig. 8 is a flowchart of a light beam generating method according to an embodiment of the present application, as shown in fig. 8, the flowchart includes the following steps:

step S802, obtaining a beam output request, where the beam output request is used to request a beam generation device to output a target beam with a target beam intensity, the beam generation device includes a first pump device, a second pump device, a support table, and a beam combining device, the first pump device is fixed on a first surface of the support table, the second pump device is fixed on a second surface of the support table, and the beam combining device is configured to combine and output a first beam output by the first pump device and a second beam output by the second pump device;

step S804, adjusting a phase difference between the first beam and the second beam to be a target phase difference by adjusting the first pumping device and/or the second pumping device, wherein the target phase difference matches with the target beam intensity;

step S806, controlling the first pumping device and the second pumping device to output light beams, so as to obtain the target light beam with the target light beam intensity.

Through the steps, the pumping devices of the light beam generation equipment are respectively arranged on different surfaces of the same supporting platform, the light beams output by the pumping devices on different surfaces of the same supporting platform are combined by the beam combining device to obtain target light beams, and the pumping sources are arranged on different planes of the supporting platform, so that the size of the supporting platform is reduced, and the size and the quality of the light beam generation equipment are reduced on the premise of ensuring that the light beam output is unchanged. By adopting the technical scheme, the problems of large volume and mass of the light beam generating equipment in the related technology and the like are solved, and the technical effect of reducing the volume and mass of the light beam generating equipment is realized. And after a beam output request for requesting to output a target beam with the target beam intensity is acquired, the first pumping device and/or the second pumping device are/is adjusted to adjust the phase difference between the first beam and the second beam to be a phase difference matched with the target beam intensity, so that the beam intensity controllability of the beam generating equipment is realized, the problems of low beam generating efficiency and the like of the beam generating equipment in the related technology can be solved, and the technical effect of improving the beam generating efficiency of the beam generating equipment is realized.

In the technical solution provided in step S802, the pumping device may be mounted on any surface of the supporting table, and the pumping devices may be fixed to a plurality of surfaces of the supporting table at the same time, which is not limited in this embodiment.

Optionally, in this embodiment, the supporting platform may be a supporting platform made of a heat dissipating material, or a supporting platform with a heat dissipating device embedded therein, for example, a heat dissipating fan, a heat dissipating plate, or the like embedded therein.

Optionally, in this embodiment, the pumping device may be a light beam output device composed of one or more pumping sources, and is configured to output a light beam with a specific beam parameter, and the operating parameters of multiple pumping sources disposed in the same pumping device may be the same or different, which is not limited in this embodiment.

In the technical solution provided in step S804, adjusting the phase difference may be by adjusting a first optical path corresponding to an optical path from the first pumping device to the light beam output surface of the beam combining device, and/or adjusting a second optical path corresponding to an optical path from the second pumping device to the light beam output surface of the beam combining device; or by adjusting an operating parameter of the first pumping means, and/or the second pumping means, such as adjusting the beam output time, frequency, etc. of the first pumping means, and/or the second pumping means. The adjustment of the optical path length may be by adjusting the distance between the beam output face of the pumping device and the beam output face of the combining device, or may also be by adjusting the distance between an element included in the pumping unit for generating the light source and the beam output face of the combining device.

In the technical solution provided in step S806 above, the controlling of the output light beams of the first and second pumping devices may include, but is not limited to, controlling operating parameters of the first and/or second pumping devices, positions of internal components, a distance between the pumping devices and the beam combining device, and the like. .

As an alternative embodiment, adjusting the phase difference between the first beam and the second beam to a target phase difference by adjusting the first pumping device and/or the second pumping device comprises:

determining the target phase difference from the target beam intensity and device parameters of the beam generating device;

determining a target optical path difference matched with the target phase difference;

and adjusting the first pumping device and/or the second pumping device to obtain the light beam generating equipment with the optical path difference between a first optical path and a second optical path as the target optical path difference, wherein the first optical path is an optical path corresponding to an optical path from the first pumping device to the light beam output surface of the beam combining device, and the second optical path is an optical path corresponding to an optical path from the second pumping device to the light beam output surface of the beam combining device.

Optionally, in the present embodiment, the apparatus parameters of the beam generating apparatus may include, but are not limited to, the number of pumping devices, the number of pumping sources included in the pumping devices, the wavelength of the beam output by the pumping source, the beam intensity of the pumping source output beam, the frequency of the pumping source output beam, and the like.

Alternatively, in this embodiment, the target optical path difference matched with the target phase difference may be obtained from a corresponding relationship between the phase difference and the optical path difference.

Optionally, in the embodiment, the target light distance difference may be calculated, but not limited toL：∆X=∆ L*π/λWherein∆Xis a target phase differenceLThe target optical path difference is set as the target optical path difference,λis the wavelength of the light beam.

As an alternative embodiment, said adjusting said first pumping means and/or said second pumping means comprises at least one of:

adjusting the distance between each first pump source included in the first pump device and the first optical path adjusting mirror corresponding to the first pump source, wherein the first pumping device comprises a plurality of groups of first pumping units, each group of the first pumping units comprises the first pumping source and the first optical path adjusting mirror, the first optical path adjusting mirror is fixed in the first pumping unit, the first pumping source is used for outputting a first pumping beam to the first optical path adjusting mirror, the position of the first pump source in the first pump unit is allowed to be adjusted, the optical path of the first pump device to the beam output face of the beam combining device refers to the optical path from the first pump source to the beam output face of the beam combining device, the first optical path adjusting mirror is used for adjusting a transmission optical path of the first pump beam to an optical path of the first beam;

adjusting the distance between each second pump source included in the second pump device and the second optical path adjusting mirror corresponding to the second pump source, wherein the second pumping device comprises a plurality of groups of second pumping units, each group of second pumping units comprises the second pumping source and the second optical path adjusting mirror, the second optical path adjusting mirror is fixed in the second pumping unit, the second pumping source is used for outputting a second pumping beam to the second optical path adjusting mirror, the position of the second pump source in the second pump unit is allowed to be adjusted, the optical path of the second pump device to the beam output face of the beam combining device refers to the optical path from the second pump source to the beam output face of the beam combining device, the second optical path adjusting mirror is used for adjusting the transmission optical path of the second pump beam to the optical path of the second beam.

Optionally, in this embodiment, the adjustment values of the first pumping device and the second pumping device may be, but are not limited to, determined according to a distance between each first pumping source included in the first pumping device before adjustment and a first optical path adjusting mirror corresponding to the first pumping source, and a distance between each second pumping source included in the second pumping device before adjustment and a second optical path adjusting mirror corresponding to the second pumping source, and according to a distance between the pumping source before adjustment and the corresponding optical path adjusting mirror, an optimal adjustment manner that satisfies that an optical path difference between the first optical path and the second optical path is the target optical path difference is determined.

As an alternative embodiment, the determining the target phase difference according to the target beam intensity and the device parameter of the beam generating device comprises:

determining the target phase difference by the following formulaX：

；

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 application or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (such as a ROM/RAM, a magnetic disk, and an optical disk), and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, or a network device) to execute the method of the embodiments of the present application.

FIG. 9 is a block diagram of a beam generating apparatus according to an embodiment of the present application; as shown in fig. 9, includes: an obtaining module 902, configured to obtain a light beam output request, where the light beam output request is used to request a light beam generating apparatus to output a target light beam with a target light beam intensity, the light beam generating apparatus includes a first pumping device, a second pumping device, a support table, and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used to combine and output a first light beam output by the first pumping device and a second light beam output by the second pumping device;

an adjusting module 904, configured to adjust a phase difference between the first beam and the second beam to be a target phase difference by adjusting the first pumping device and/or the second pumping device, wherein the target phase difference is matched with the target beam intensity;

a control module 906, configured to control the first pumping device and the second pumping device to output light beams, so as to obtain the target light beam with the target light beam intensity.

Optionally, the adjusting module includes:

a first determination unit for determining the target phase difference from the target beam intensity and a device parameter of the beam generating device;

a second determination unit configured to determine a target optical path difference that matches the target phase difference;

and an adjusting unit, configured to adjust the first pumping device and/or the second pumping device to obtain the light beam generating apparatus with an optical path difference between a first optical path and a second optical path as the target optical path difference, where the first optical path is an optical path corresponding to an optical path from the first pumping device to a light beam output surface of the beam combining device, and the second optical path is an optical path corresponding to an optical path from the second pumping device to the light beam output surface of the beam combining device.

Optionally, the adjusting unit performs at least one of the following operations:

Optionally, the first determining unit is configured to:

determining the target phase difference by the following formula∆X：

；

Embodiments of the present application also provide a storage medium including a stored program, wherein the program executes any of the above-described beam generation methods when executed.

Alternatively, in the present embodiment, the storage medium may be configured to store program codes for performing the following steps: the method comprises the steps of obtaining a light beam output request, wherein the light beam output request is used for requesting light beam generation equipment to output a target light beam with target light beam intensity, the light beam generation equipment comprises a first pumping device, a second pumping device, a support table and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used for combining and outputting a first light beam output by the first pumping device and a second light beam output by the second pumping device;

adjusting a phase difference between the first beam and the second beam to a target phase difference by adjusting the first pumping device and/or the second pumping device, wherein the target phase difference is intensity matched to the target beam;

and controlling the first pumping device and the second pumping device to output beams to obtain the target beam with the target beam intensity.

Embodiments of the present application further provide an electronic device comprising a memory having a computer program stored therein and a processor configured to execute the computer program to perform the steps in any of the above-described embodiments of the light beam generation method.

Optionally, 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.

Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program: the method comprises the steps of obtaining a light beam output request, wherein the light beam output request is used for requesting light beam generation equipment to output a target light beam with target light beam intensity, the light beam generation equipment comprises a first pumping device, a second pumping device, a support table and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used for combining and outputting a first light beam output by the first pumping device and a second light beam output by the second pumping device;

Optionally, in this embodiment, the storage medium may include, but is not limited to: various media capable of storing program codes, 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.

Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.

It will be apparent to those skilled in the art that the modules or steps of the present application described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a 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 individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present application is not limited to any specific combination of hardware and software.

The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. An optical beam generating apparatus, comprising: a first pumping device, a second pumping device, a support table and a beam combining device,

the first pumping device is fixed on the first surface of the support table, and the second pumping device is fixed on the second surface of the support table;

the first pumping device is used for outputting a first light beam to the beam combining device;

the second pumping device is used for outputting a second light beam to the beam combining device;

the beam combining device is used for combining the first light beam and the second light beam into a target light beam.

2. The apparatus of claim 1, wherein the first pumping means comprises: a plurality of sets of first pumping units, the second pumping arrangement comprising: a plurality of sets of second pumping units, wherein,

3. The apparatus of claim 2,

the first pumping unit includes: the first optical path adjusting mirror is fixed in the first pumping unit; the first pump source is used for outputting the first pump beam to the first optical path adjusting mirror, wherein the position of the first pump source in the first pump unit is allowed to be adjusted, and the optical path from the first pump source to the beam output face of the beam combining device refers to the optical path from the first pump source to the beam output face of the beam combining device; the first optical path adjusting mirror is used for adjusting a transmission optical path of the first pump beam to an optical path of the first beam;

4. The apparatus of claim 1, wherein the beam generating apparatus further comprises: a processor for, among other things,

5. The apparatus of claim 1, wherein the beam combining means comprises: an optical path conversion unit and a beam combining unit, wherein,

the light path conversion unit is used for performing light path conversion on the first light beam to obtain a third light beam;

the beam combining unit is configured to combine the second light beam and the third light beam into the target light beam.

6. A method of generating a light beam, comprising:

the method comprises the steps of obtaining a light beam output request, wherein the light beam output request is used for requesting light beam generation equipment to output a target light beam with target light beam intensity, the light beam generation equipment comprises a first pumping device, a second pumping device, a support table and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used for combining and outputting a first light beam output by the first pumping device and a second light beam output by the second pumping device;

7. The method of claim 6, wherein adjusting the phase difference between the first beam and the second beam to a target phase difference by adjusting the first pump device and/or the second pump device comprises:

8. The method of claim 7, wherein the adjusting the first pumping device and/or the second pumping device comprises at least one of:

9. The method of claim 7, wherein determining the target phase difference from the target beam intensity and a device parameter of the beam generating device comprises:

determining the target phase difference by the following formula

：

；

10. An optical beam generating apparatus, comprising:

the device comprises an acquisition module, a beam output module and a beam combining module, wherein the beam output module is used for acquiring a beam output request, the beam output request is used for requesting a beam generating device to output a target beam with target beam intensity, the beam generating device comprises a first pumping device, a second pumping device, a support table and a beam combining device, the first pumping device is fixed on a first surface of the support table, the second pumping device is fixed on a second surface of the support table, and the beam combining device is used for combining and outputting a first beam output by the first pumping device and a second beam output by the second pumping device;

an adjusting module, configured to adjust a phase difference between the first beam and the second beam to be a target phase difference by adjusting the first pumping device and/or the second pumping device, where the target phase difference is matched with the target beam intensity;

and the control module is used for controlling the first pumping device and the second pumping device to output beams to obtain the target beam with the target beam intensity.

11. A computer-readable storage medium, comprising a stored program, wherein the program when executed performs the method of any of claims 6 to 9.

12. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to execute the method of any of claims 6 to 9 by means of the computer program.