CN116203677A - Optical antenna array element adjustment system and method - Google Patents
Optical antenna array element adjustment system and method Download PDFInfo
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- CN116203677A CN116203677A CN202310466227.4A CN202310466227A CN116203677A CN 116203677 A CN116203677 A CN 116203677A CN 202310466227 A CN202310466227 A CN 202310466227A CN 116203677 A CN116203677 A CN 116203677A
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Abstract
The application discloses an optical antenna array element adjustment system and method relates to the technical field of laser communication, the optical antenna array element adjustment system includes: the optical fiber flange assembly is magnetic and is used for being arranged at the tail end of the optical antenna lens barrel; the optical fiber flange comprises a precision adjusting table, wherein an electromagnet is fixed on the precision adjusting table and is used for being magnetically connected with the optical fiber flange assembly. The technical problem that the optical fiber coupling efficiency is low in the prior art is solved, and the optical fiber coupling efficiency is effectively improved.
Description
Technical Field
The application relates to the technical field of laser communication, in particular to an optical antenna array element adjustment system and an optical antenna array element adjustment method.
Background
Compared with the traditional microwave communication, the laser communication has great advantages in communication speed and communication distance, and as the laser communication technology is developed from ground verification to satellite-borne application, the optical phased array technology with the characteristics of flexibility, high speed, high precision, small volume, response speed block, good beam quality and the like is more and more paid attention to. The optical phased array technology is a new type of light beam deflection control technology, and its principle is to obtain array light beam deflection by properly shifting the phase of array element signals of an array arranged according to a certain rule. In the inter-satellite laser communication field, pose adjustment is required to be performed on an optical fiber flange, so that laser emitted by a target can be coupled into a single-mode fiber after entering into a matrix array element of a phased array antenna, then phase differences of laser beams of all paths are compensated to be 0 through a phase shifter, interference is performed after the phase differences pass through a beam combiner, complex coherence of a target source is obtained, and a target image is calculated according to Van-West-Zernike theorem.
However, at present, in the process of optical fiber coupling adjustment, the optical fiber flange is clamped by the clamp and then moves along with the clamp to adjust the pose, but after the pose adjustment is completed, when the clamp is separated from the optical fiber flange, the position, the shape and the like of the optical fiber flange are changed due to release of the clamping force, so that the optical fiber coupling efficiency is affected.
Disclosure of Invention
The main purpose of the application is to provide an optical antenna array element adjusting system and method, which aims to solve the technical problem of lower optical fiber coupling efficiency in the prior art.
In order to achieve the above object, the present application provides an optical antenna array element adjustment system, the optical antenna array element adjustment system includes:
the optical fiber flange assembly is magnetic and is used for being arranged at the tail end of the optical antenna lens barrel;
the optical fiber flange comprises a precision adjusting table, wherein an electromagnet is fixed on the precision adjusting table and is used for being magnetically connected with the optical fiber flange assembly.
Optionally, the optical antenna array element adjusting system comprises a planar glass component, wherein a planar glass component mounting groove is formed in the side wall of the optical antenna lens barrel, and the planar glass component mounting groove is used for inserting and mounting the planar glass component.
Optionally, the planar glass assembly comprises a planar glass seat, planar glass and a pressing ring;
the flat glass seat is provided with a flat glass mounting hole, and the pressing ring is used for pressing and fastening the flat glass in the flat glass mounting hole.
Optionally, the pressing ring is connected with the planar glass seat in a threaded fit manner.
Optionally, the optical fiber flange assembly includes an optical fiber flange seat and an optical fiber flange, and the optical fiber flange is fixed on the optical fiber flange seat; the optical fiber flange seat is made of ferromagnetic metal and is used for being magnetically connected with the electromagnet.
Optionally, the precision adjustment table is a six-degree-of-freedom motion platform.
The application also provides an optical antenna array element adjustment method, which is applied to the optical antenna array element adjustment system, and comprises the following steps:
supplying power to an electromagnet arranged on the precise adjusting table so that the electromagnet is magnetically connected with the magnetic optical fiber flange assembly;
the electromagnet is driven to move through the precise adjusting table, so that the electromagnet drives the optical fiber flange assembly to adjust the pose;
and fixing the optical fiber flange assembly at the tail end of the optical antenna lens barrel in the adjusted pose.
Optionally, after the step of fixing the optical fiber flange assembly to the tail end of the optical antenna barrel in the adjusted pose, the method further includes:
and controlling the electromagnet to be powered off so as to disconnect the magnetic connection between the electromagnet and the optical fiber flange assembly.
Optionally, the method for adjusting the array element of the optical antenna further includes:
measuring the phase difference of each optical antenna array element after a transmitting source passes through a phased array antenna, and determining the target thickness of the planar glass corresponding to each optical antenna array element according to each phase difference;
and selecting target plane glass with target thickness, and installing the target plane glass into a plane glass component installation groove formed in the side wall of the corresponding optical antenna lens barrel.
Optionally, the step of measuring the phase difference of each optical antenna element after the emission source passes through the phased array antenna, and determining the target thickness of the planar glass corresponding to each optical antenna element according to each phase difference includes:
inserting an initial planar glass assembly on an optical antenna lens barrel of each optical antenna array element in the phased array antenna, wherein the initial planar glass assembly comprises initial planar glass;
measuring the phase difference of each optical antenna array element after the transmitting source passes through the phased array antenna;
and determining a target thickness according to the phase difference and the initial thickness of the initial planar glass, wherein the target thickness is used for reducing the phase difference to a preset phase difference minimum value.
The application provides an optical antenna array element adjusting system and an optical antenna array element adjusting method, wherein the optical antenna array element adjusting system comprises an optical fiber flange assembly, and the optical fiber flange assembly is magnetic and is used for being installed at the tail end of an optical antenna lens barrel; the optical fiber flange comprises a precision adjusting table, wherein an electromagnet is fixed on the precision adjusting table and is used for being magnetically connected with the optical fiber flange assembly. Like this, the electro-magnet that sets up on the accurate adjustment platform can be connected with the optic fibre flange subassembly magnetism that has magnetism under the circular telegram state to can make optic fibre flange subassembly remove along with the removal of electro-magnet, thereby can realize the position appearance adjustment to optic fibre flange subassembly through accurate adjustment platform control electro-magnet removal, and under the circumstances of electro-magnet outage, the electro-magnet is connected with optic fibre flange subassembly and is disconnected, compares in the mode that carries out the position appearance adjustment through anchor clamps clamping optic fibre flange, the mode of magnetism is inhaled, when separating between optic fibre flange subassembly and electro-magnet, can not produce residual stress, so can not produce the interference to the position appearance of optic fibre flange subassembly, so can improve the stability of optic fibre coupling adjustment, improve optic fibre coupling efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the 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 that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of an optical antenna array element adjustment system in the present application;
fig. 2 is a schematic structural diagram of an optical antenna lens barrel and a planar glass component in an optical antenna array element adjusting system according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a planar glass component in an optical antenna array element adjustment system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an optical antenna array element adjustment system according to an embodiment of the present disclosure;
fig. 5 is a flowchart illustrating an embodiment of an optical antenna array element adjustment method according to an embodiment of the present application.
Reference numerals illustrate:
the implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the following description will make the technical solutions of the embodiments of the present invention clear and complete. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In an embodiment of the optical antenna element tuning system, referring to fig. 1, the optical antenna element tuning system includes:
an optical fiber flange assembly 10, wherein the optical fiber flange assembly 10 has magnetism and is used for being installed at the tail end of the optical antenna lens barrel 2;
the precise adjusting platform is fixedly provided with an electromagnet 6, and the electromagnet 6 is used for being magnetically connected with the optical fiber flange assembly 10.
In this embodiment, it should be noted that in the optical fiber coupling adjustment process, pose adjustment needs to be performed on the optical fiber flange, so that after the laser emitted by the target enters the array element of the phased array antenna, the laser can be coupled into the single-mode optical fiber. At present, the optical fiber flange is clamped by the clamp so as to drive the optical fiber flange to adjust the pose by controlling the clamp to move, however, in order to ensure that the optical fiber flange can stably change the pose along with the clamp, a certain clamping force needs to be provided, the clamping force applied by the clamp to the optical fiber flange possibly causes a certain deformation of the optical fiber flange, and because the clamp needs to fix the pose of the optical fiber flange, resistance is applied to the optical fiber flange so as to offset the force which can cause the pose change between the optical fiber flange and the optical antenna lens barrel, therefore, after the pose adjustment is finished, when the clamp is separated from the optical fiber flange, the clamping force and the resistance applied by the clamp to the optical fiber flange are withdrawn, the deformation of the optical fiber flange is recovered, and the force which can cause the pose change between the optical fiber flange and the optical antenna lens barrel can not be offset due to the withdrawal of the resistance, so that the pose of the optical fiber flange is changed after the pose adjustment is finished, and the optical fiber coupling efficiency is reduced.
In this embodiment, an optical antenna array element adjustment system is provided, where the optical antenna array element adjustment system includes a magnetic optical fiber flange assembly 10 and a precise adjustment table provided with an electromagnet 6, where the electromagnet 6 can be magnetically connected with the magnetic optical fiber flange assembly 10 in an energized state, so as to drive the optical fiber flange assembly 10 to move, complete pose adjustment, and after pose adjustment is completed, the optical fiber flange assembly 10 can be fixed at the tail end of the optical antenna lens barrel in an adjusted pose by using a screw or other fasteners, and further the electromagnet 6 is controlled to be powered off, so that the magnetic connection between the electromagnet 6 and the magnetic optical fiber flange assembly 10 can be disconnected. The optical fiber flange assembly 10 at least comprises an optical fiber flange 5, and may further comprise an optical fiber flange seat 4, wherein the optical fiber flange 5 refers to a device for detachably (movably) connecting an optical fiber with the optical fiber, is a connecting component in an optical fiber movable connector, and can precisely butt-joint two end faces of the optical fiber so that the light energy output by the transmitting optical fiber can be maximally coupled into the receiving optical fiber, and the optical fiber flange assembly 10 may comprise one or more members or structures made of magnetic materials, for example, the optical fiber flange seat 4 may be made of magnetic materials, or a certain part of the optical fiber flange 5 may be made of magnetic materials, so that the optical fiber flange assembly 10 has magnetism; the precision adjusting table is a device for coupling space light into an optical fiber through a certain optical element (such as a microscope objective lens, a lens and the like) or converting light output by the optical fiber into space light for transmission, and the degree of freedom of the precision adjusting table can be three, six and the like and can be determined according to actual needs; the precise adjustment table and the position, structure, etc. of the electromagnet 6 on the precise adjustment table should enable the electromagnet 6 to be in contact with the optical fiber flange assembly 10, and adjust the optical fiber flange 5 to any pose, and the specific structure, position, etc. may be set according to the actual situation, which is not limited in this embodiment.
Optionally, the optical fiber flange assembly 10 includes an optical fiber flange seat 4 and an optical fiber flange 5, and the optical fiber flange 5 is fixed on the optical fiber flange seat 4; the optical fiber flange seat 4 is made of ferromagnetic metal and is used for being magnetically connected with the electromagnet 6.
In this embodiment, the optical fiber flange assembly 10 includes an optical fiber flange seat 4 and an optical fiber flange 5 fixed on the optical fiber flange seat 4, where the optical fiber flange seat 4 is made of ferromagnetic metal, so that the optical fiber flange seat 4 made of ferromagnetic metal can be magnetically connected with the electromagnet 6 when the electromagnet 6 is powered on, and the optical fiber flange seat 4 can also protect the optical fiber flange 5 to avoid deformation of the optical fiber flange 5 due to direct stress; the material of the optical fiber flange 5 may be determined according to actual needs, which is not limited in this embodiment.
Optionally, the precision adjustment table is a six-degree-of-freedom motion platform.
In this embodiment, the six-degree-of-freedom motion platform includes six electric cylinders, an upper universal ammonium chain, a lower universal ammonium chain, an upper platform and a lower platform, the lower platform is fixed on a foundation, and by means of telescopic motion of the six electric cylinders, the motion of the upper platform in six degrees of freedom (α, β, γ, X, Y, Z) in space is completed, and the six degrees of freedom motion platform can perform more accurate spatial pose adjustment on the optical fiber flange.
In this embodiment, the optical antenna array element adjustment system includes an optical fiber flange assembly, where the optical fiber flange assembly has magnetism and is used for being installed at the tail end of the optical antenna lens barrel; the optical fiber flange comprises a precision adjusting table, wherein an electromagnet is fixed on the precision adjusting table and is used for being magnetically connected with the optical fiber flange assembly. Like this, the electro-magnet that sets up on the accurate adjustment platform can be connected with the optic fibre flange subassembly magnetism that has magnetism for optic fibre flange subassembly can remove along with the removal of electro-magnet, thereby can realize the position appearance adjustment to optic fibre flange subassembly through accurate adjustment platform control electro-magnet removal, compare in the mode that carries out the position appearance adjustment through anchor clamps clamping optic fibre flange, the mode of magnetic attraction, when separating between optic fibre flange subassembly and electro-magnet, can not produce residual stress, so can not produce the interference to the position appearance of optic fibre flange subassembly, so can improve the stability of optic fibre coupling dress and transfer, improve optic fibre coupling efficiency.
Further, referring to fig. 2, in another embodiment of the present application, the same or similar content as the above embodiment may be referred to the above description, and will not be repeated.
On the basis, the optical antenna array element adjusting system further comprises a planar glass component 3, a planar glass component mounting groove 9 is formed in the side wall of the optical antenna lens barrel 2, and the planar glass component mounting groove 9 is used for inserting and mounting the planar glass component 3.
In this embodiment, in the process of installing and adjusting the optical fiber coupling, besides the pose of the optical fiber flange needs to be adjusted, the phase adjustment is generally needed, and at present, the phase difference of each path of laser beam is mainly compensated by a phase shifter, however, the phase shifting capability of the phase shifter is about 50 pi, machining errors exist in an add element and an optical add element of a phased array antenna array element, an installing and adjusting error exists in the antenna array element, and the phase difference of each array element of the antenna array surface, which is often caused by the errors, can reach thousands pi, and far exceeds the phase shifting capability of the phase shifter.
In this embodiment, the optical antenna array element adjustment system further includes a planar glass assembly 3, where the planar glass assembly 3 includes at least planar glass, and may further include a planar glass fixing device, a protection device, and the like; a planar glass component mounting groove 9 is formed on the side wall of the optical antenna lens barrel 2, and the planar glass component mounting groove 9 penetrates through an optical channel in the optical antenna lens barrel 2, so that a planar glass with a certain thickness can be inserted into an optical path in the optical antenna lens barrel 2 by inserting the planar glass component 3 into the planar glass mounting groove, the thickness of the planar glass inserted into the optical path is changed, the optical path is also changed, the phase is changed, the optical path changing amount is (n-1) d before and after the planar glass is added, and the phase difference is
Wherein, phi is phase difference, n is refractive index of plane glass, d is thickness of plane glass, lambda is laser wavelength, and in the process of coupling and adjusting light, the refractive index of plane glass and the laser wavelength are both known constants, so that the phase adjustment can be performed by changing the thickness of plane glass inserted into the optical antenna lens barrel 2, thereby compensating the phase difference of each path of laser beam.
Optionally, referring to fig. 3, the flat glass assembly includes a flat glass seat 31, a flat glass 32, and a press ring 33;
the flat glass seat 31 is provided with a flat glass mounting hole 34, and the pressing ring 33 is used for pressing and fastening the flat glass 32 in the flat glass mounting hole 34.
In this embodiment, the planar glass assembly includes a planar glass seat 31, a planar glass 32, and a pressing ring 33, where a planar glass mounting hole penetrating along the optical path direction is formed in the planar glass seat 31, the planar glass mounting hole 34 is used for placing the planar glass 32, after the planar glass 32 is placed in the planar glass mounting hole 34, the planar glass 32 may be pressed and fastened in the planar glass mounting hole 34 by the pressing ring 33, and the pressing ring 33 and the planar glass seat 31 may be connected and fixed by threads, buckles, screws, and the like.
Optionally, the pressing ring 33 is connected with the flat glass seat 31 through screw thread fit.
In this embodiment, the outside of the pressing ring 33 and the inside of the flat glass seat 31 are provided with mutually matched threads, so that the pressing ring 33 and the flat glass seat 31 can be connected together through threaded engagement, and the distance between the pressing ring 33 and the flat glass seat 31 can be adjusted in a threaded connection manner, so that different thicknesses of the flat glass 32 clamped between the pressing ring 33 and the flat glass seat 31 can be adapted, when the flat glass 32 with smaller thickness is used, the flat glass 32 can be rotated a certain distance more, the flat glass 32 can be firmly fixed in the flat glass mounting hole 34, and when the flat glass 32 with larger thickness is used, the flat glass 32 can be rotated a certain distance less, and damage caused by overlarge stress of the flat glass 32 is avoided.
In one embodiment, referring to fig. 4, the optical antenna array element adjusting system includes an array element supporting frame 1, an optical antenna lens barrel 2, a planar glass assembly 3, an optical fiber flange seat 4, an optical fiber flange 5, an electromagnet 6, a supporting plate 7, and a precision adjusting table 8. The array element support frame 1 can also be a precise adjustment table, the array element support frame 1 is connected with the optical antenna lens cone 2 through a screw, the plane glass component 3 is connected with the optical antenna lens cone 2 through a screw, the optical fiber flange 5 is fixed on the optical fiber flange seat 4 through a screw, the optical fiber flange seat 4 is ferromagnetic metal, and the optical fiber flange seat 4 is fixed on the tail end of the optical antenna lens cone 2 through a screw; the electromagnet 6 is fixed on a support plate 7 and is positioned below the optical fiber flange seat 4, and the support plate 7 is fixed on a precision adjusting table 8.
In this embodiment, by means of phase adjustment by the planar glass component, the phase adjustable range is greatly increased, and even if the phase difference of each array element of the antenna array surface reaches thousands pi due to errors, which is far more than the phase shifting capability of the phase shifter, the phase adjustment can be performed by simply replacing planar glass with different thicknesses, so that the method is simple, other influences on the optical antenna array elements are avoided, and simple and accurate phase adjustment can be realized.
Further, the invention also provides an optical antenna array element adjusting method, referring to fig. 5, the optical antenna array element adjusting method is applied to the optical antenna array element adjusting system as described above, and comprises the following steps:
step S10, supplying power to an electromagnet arranged on the precise adjustment table so that the electromagnet is magnetically connected with the magnetic optical fiber flange assembly;
in this embodiment, after the optical antenna array elements to be assembled and adjusted by optical fiber coupling are respectively installed at preset designated positions, power is supplied to an electromagnet arranged on the precise adjustment table, so that the electromagnet is magnetically connected with the optical fiber flange assembly with magnetism under the electromagnetic action.
Step S20, driving an electromagnet to move through a precise adjusting table, so that the electromagnet drives the optical fiber flange assembly to adjust the pose;
in this embodiment, the precise adjustment table is controlled to move, and the precise adjustment table drives the electromagnet to move, so that the movement of the precise adjustment table can further drive the optical fiber flange assembly to move due to the magnetic connection of the electromagnet and the optical fiber flange assembly, thereby realizing the pose adjustment of the optical fiber flange.
And step S30, fixing the optical fiber flange assembly at the tail end of the optical antenna lens barrel in the adjusted pose.
In this embodiment, after the pose adjustment is completed, the fiber flange assembly may be fixed to the tail end of the optical antenna barrel in the adjusted pose by a screw or other fastener.
Optionally, after the step of fixing the optical fiber flange assembly to the tail end of the optical antenna barrel in the adjusted pose, the method further includes:
and S40, controlling the electromagnet to be powered off so as to disconnect the magnetic connection between the electromagnet and the optical fiber flange assembly.
In this embodiment, after the pose adjustment is completed and the optical fiber flange assembly is fixed at the tail end of the optical antenna lens barrel, the electromagnet can be controlled to be powered off, and after the electromagnet is powered off, the magnetism of the electromagnet disappears, so that the magnetic connection between the electromagnet and the optical fiber flange assembly with magnetism is disconnected, and the precision adjustment table does not regulate the optical fiber flange assembly any more.
Optionally, the method for adjusting the array element of the optical antenna further includes:
step A10, measuring the phase difference of each optical antenna array element after a transmitting source passes through a phased array antenna, and determining the target thickness of the planar glass corresponding to each optical antenna array element according to each phase difference;
in this embodiment, in the process of installing and adjusting the optical fiber coupling, besides the pose of the optical fiber flange needs to be adjusted, the phase adjustment is generally needed, and at present, the phase difference of each path of laser beam is mainly compensated by a phase shifter, however, the phase shifting capability of the phase shifter is about 50 pi, machining errors exist in an add element and an optical add element of a phased array antenna array element, an installing and adjusting error exists in the antenna array element, and the phase difference of each array element of the antenna array surface, which is often caused by the errors, can reach thousands pi, and far exceeds the phase shifting capability of the phase shifter.
In the embodiment, the thickness of the planar glass inserted in the optical path is changed, and the optical path is changed, so that the phase is changed, the optical path change amount is (n-1) d, and the phase difference is that before and after the planar glass is added
Wherein, phi is phase difference, n is refractive index of plane glass, d is thickness of plane glass, lambda is laser wavelength, and in the process of coupling and adjusting light, the refractive index of plane glass and the laser wavelength are both known constants, so that the phase adjustment can be carried out by changing the thickness of plane glass inserted into the optical antenna lens barrel, thereby compensating the phase difference of each path of laser beam.
After the optical antenna array elements to be subjected to optical fiber coupling adjustment are respectively arranged at preset designated positions, the phase difference of each optical antenna array element after the emission source passes through the phased array antenna can be measured through an interferometer, and then the target thickness of the planar glass corresponding to each optical antenna array element is calculated according to the detected phase difference corresponding to each optical antenna array element.
Before the planar glass is inserted, the magnitude relation between the phase difference and the adjustable range of the phase shifter can be judged, if the phase difference is in the adjustable range of the phase shifter, the phase adjustment can be directly carried out through the phase shifter, and if the phase difference exceeds the adjustable range of the phase shifter, the target thickness of the planar glass corresponding to each optical antenna array element is calculated according to the detected phase difference corresponding to each optical antenna array element.
Optionally, the step of measuring the phase difference of each optical antenna element after the emission source passes through the phased array antenna, and determining the target thickness of the planar glass corresponding to each optical antenna element according to each phase difference includes:
step A11, inserting an initial plane glass component into an optical antenna lens barrel of each optical antenna array element in the phased array antenna, wherein the initial plane glass component comprises initial plane glass;
step A12, measuring the phase difference of each optical antenna array element after a transmitting source passes through a phased array antenna;
and step A13, determining a target thickness according to the phase difference and the initial thickness of the initial planar glass, wherein the target thickness is used for reducing the phase difference to a preset phase difference minimum value.
In this embodiment, after optical antenna elements to be subjected to optical fiber coupling adjustment are respectively installed at preset designated positions, initial planar glass may be obtained first, the initial planar glass is installed in a planar glass component, and then the initial planar glass component with the initial planar glass is inserted into an optical antenna lens barrel of each optical antenna element in a phased array antenna, after each optical antenna element is installed with the initial planar glass component, phase differences of each optical antenna element after a transmitting source passes through the phased array antenna are measured by an interferometer, and then according to the detected phase differences corresponding to each optical antenna element, the phase differences of each optical antenna element are calculated and reduced to a preset phase difference minimum value, and further, a thickness difference of planar glass needs to be increased or reduced, and the initial thickness of the initial planar glass is increased or reduced by the thickness difference, so that a target thickness of target planar glass can be determined, where the preset phase difference minimum value may be 0 or other preset values, and specifically may be determined according to practical situations.
And step A20, selecting target plane glass with target thickness, and installing the target plane glass into a plane glass component installation groove formed in the side wall of the corresponding optical antenna lens cone.
In this embodiment, a target plane glass with a target thickness is selected for each optical antenna array element, and the target plane glass is inserted into a plane glass component mounting groove formed on the side wall of an optical antenna lens barrel of the optical antenna array element corresponding to the target plane glass to reduce the phase difference to a preset phase difference minimum value, where the preset phase difference minimum value may be 0 or other preset values, and may be specifically determined according to practical situations, and this embodiment is not limited thereto; if the phase difference still cannot meet the requirement after the flat glass is inserted, the step A10 is executed again.
The optical antenna array element adjusting method provided by the invention is used for preparing the optical antenna array element adjusting system, and solves the technical problem of lower optical fiber coupling efficiency in the prior art. Compared with the prior art, the optical antenna array element adjustment method provided by the embodiment of the invention has the same beneficial effects as the optical antenna array element adjustment system provided by the embodiment, and other technical features in the optical antenna array element adjustment method are the same as the features disclosed by the embodiment method, and are not repeated herein.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the claims, and all equivalent structures or equivalent flow modifications that may be made using the teachings of the present application, or directly or indirectly applied in other related fields, are included within the scope of the claims.
Claims (10)
1. An optical antenna array element adjustment system, characterized in that the optical antenna array element adjustment system comprises:
the optical fiber flange assembly is magnetic and is used for being arranged at the tail end of the optical antenna lens barrel;
the optical fiber flange comprises a precision adjusting table, wherein an electromagnet is fixed on the precision adjusting table and is used for being magnetically connected with the optical fiber flange assembly.
2. The system of claim 1, wherein the system comprises a planar glass assembly, and wherein the side wall of the optical antenna barrel is provided with a planar glass assembly mounting groove for inserting and mounting the planar glass assembly.
3. The optical antenna array element adjustment system of claim 2, wherein the planar glass assembly comprises a planar glass holder, a planar glass and a clamping ring;
the flat glass seat is provided with a flat glass mounting hole, and the pressing ring is used for pressing and fastening the flat glass in the flat glass mounting hole.
4. The system for adjusting an array element of an optical antenna of claim 3, wherein the clamping ring is connected with the planar glass base by a threaded fit.
5. The optical antenna array element adjustment system of any one of claims 1-4, wherein the fiber flange assembly comprises a fiber flange mount and a fiber flange, the fiber flange being secured to the fiber flange mount; the optical fiber flange seat is made of ferromagnetic metal and is used for being magnetically connected with the electromagnet.
6. The optical antenna array element adjustment system of any one of claims 1-4, wherein the precision adjustment stage is a six-degree-of-freedom motion stage.
7. An optical antenna element adjustment method, which is applied to the optical antenna element adjustment system as claimed in any one of claims 1 to 6, comprising the following steps:
supplying power to an electromagnet arranged on the precise adjusting table so that the electromagnet is magnetically connected with the magnetic optical fiber flange assembly;
the electromagnet is driven to move through the precise adjusting table, so that the electromagnet drives the optical fiber flange assembly to adjust the pose;
and fixing the optical fiber flange assembly at the tail end of the optical antenna lens barrel in the adjusted pose.
8. The method for adjusting an optical antenna array element according to claim 7, wherein after the step of fixing the optical fiber flange assembly to the tail end of the optical antenna barrel in the adjusted pose, the method further comprises:
and controlling the electromagnet to be powered off so as to disconnect the magnetic connection between the electromagnet and the optical fiber flange assembly.
9. The method for adjusting an optical antenna element of claim 7, further comprising:
measuring the phase difference of each optical antenna array element after a transmitting source passes through a phased array antenna, and determining the target thickness of the planar glass corresponding to each optical antenna array element according to each phase difference;
and selecting target plane glass with target thickness, and installing the target plane glass into a plane glass component installation groove formed in the side wall of the corresponding optical antenna lens barrel.
10. The method for adjusting optical antenna elements according to claim 9, wherein the step of measuring the phase difference of each optical antenna element after the transmitting source passes through the phased array antenna and determining the target thickness of the planar glass corresponding to each optical antenna element according to each phase difference comprises:
inserting an initial planar glass assembly on an optical antenna lens barrel of each optical antenna array element in the phased array antenna, wherein the initial planar glass assembly comprises initial planar glass;
measuring the phase difference of each optical antenna array element after the transmitting source passes through the phased array antenna;
and determining a target thickness according to the phase difference and the initial thickness of the initial planar glass, wherein the target thickness is used for reducing the phase difference to a preset phase difference minimum value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117250694A (en) * | 2023-11-17 | 2023-12-19 | 鹏城实验室 | Optical fiber coupling adjustment system and adjustment method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05107486A (en) * | 1991-10-15 | 1993-04-30 | Matsushita Electric Works Ltd | Laser beam switchover device |
| CN2345987Y (en) * | 1998-12-21 | 1999-10-27 | 中国科学院西安光学精密机械研究所 | Laser fibre-optical coupling device |
| JP2009145725A (en) * | 2007-12-17 | 2009-07-02 | Fuji Xerox Co Ltd | Optical waveguide connector, and optical connector device |
| CN104166243A (en) * | 2014-08-20 | 2014-11-26 | 湖北捷讯光电有限公司 | Unequal-bandwidth optical comb filter |
| CN206411290U (en) * | 2016-12-30 | 2017-08-15 | 中国电子科技集团公司第三十四研究所 | A kind of change angle of divergence emitter of wireless light communication antenna |
| CN107272125A (en) * | 2017-07-28 | 2017-10-20 | 重庆大学 | A kind of optical-mechanical adjusting apparatus of the optical path accurate alignment based on magnetic connects |
| CN111679372A (en) * | 2020-06-24 | 2020-09-18 | 天津大学 | Micro-resonant cavity coupling device |
| CN215449673U (en) * | 2021-09-14 | 2022-01-07 | 青岛海信宽带多媒体技术有限公司 | Device for coupling lens in optical fiber adapter |
-
2023
- 2023-04-27 CN CN202310466227.4A patent/CN116203677B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05107486A (en) * | 1991-10-15 | 1993-04-30 | Matsushita Electric Works Ltd | Laser beam switchover device |
| CN2345987Y (en) * | 1998-12-21 | 1999-10-27 | 中国科学院西安光学精密机械研究所 | Laser fibre-optical coupling device |
| JP2009145725A (en) * | 2007-12-17 | 2009-07-02 | Fuji Xerox Co Ltd | Optical waveguide connector, and optical connector device |
| CN104166243A (en) * | 2014-08-20 | 2014-11-26 | 湖北捷讯光电有限公司 | Unequal-bandwidth optical comb filter |
| CN206411290U (en) * | 2016-12-30 | 2017-08-15 | 中国电子科技集团公司第三十四研究所 | A kind of change angle of divergence emitter of wireless light communication antenna |
| CN107272125A (en) * | 2017-07-28 | 2017-10-20 | 重庆大学 | A kind of optical-mechanical adjusting apparatus of the optical path accurate alignment based on magnetic connects |
| CN111679372A (en) * | 2020-06-24 | 2020-09-18 | 天津大学 | Micro-resonant cavity coupling device |
| CN215449673U (en) * | 2021-09-14 | 2022-01-07 | 青岛海信宽带多媒体技术有限公司 | Device for coupling lens in optical fiber adapter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250694A (en) * | 2023-11-17 | 2023-12-19 | 鹏城实验室 | Optical fiber coupling adjustment system and adjustment method |
| CN117250694B (en) * | 2023-11-17 | 2024-02-13 | 鹏城实验室 | Optical fiber coupling adjustment system and adjustment method |
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|---|---|
| CN116203677B (en) | 2023-07-25 |
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